CERTIFIED PROFESSIONALS

Name	Certification	Valid Through	Street Address	City	State	Zip	Phone
Air Solutions, Inc.	Fire and Smoke Damper Contractor	9/30/2024	2108 Greater Oak Drive	LAPEER	MI	48446	810-358-8644
Air Solutions, Inc.	TABB Contractor	9/30/2024	2108 Greater Oak Drive	LAPEER	MI	48446	810-358-8644
Professional System Analysis, LLC	TABB Contractor	3/31/2024	W234 N2830 Paul rd	Pewaukee	WI	53072	2625232500
Professional System Analysis, LLC	Fire and Smoke Damper Contractor	3/31/2024	W234 N2830 Paul rd	Pewaukee	WI	53072	2625232500
Independent Air Group Inc	TABB Commissioning Contractor	3/31/2023	12046 Jacaranda Ave Ste D	Hesperia	CA	92345	760-949-9972
Independent Air Group Inc	TABB Contractor	3/31/2023	12046 Jacaranda Ave Ste D	Hesperia	CA	92345	760-949-9972
Aldag/Honold Mechanical, Inc.	TABB Contractor	9/30/2022	3509 S Business Dr	Sheboygan	WI	53081	920-458-5558
Aldag/Honold Mechanical, Inc.	Fire and Smoke Damper Contractor	9/30/2024	3509 S Business Dr	Sheboygan	WI	53081	920-458-5558
Aaron Engineering Service	TABB Contractor	12/31/2022	5420 West Roosevelt Rd, 300	Chicago	IL	60644	7734740143
Mountain Air Balancing, LLC	TABB Contractor	12/31/2022	216 Demellier Rd	Tunkhannock	PA	18657	570-239-6897
Arends Balancing & Comm. Inc	TABB Contractor	9/30/2023	4918 N 90th St	Milwaukee	WI	53225	414-2348071
Arends Balancing & Comm. Inc	TABB Commissioning Contractor	9/30/2023	4918 N 90th St	Milwaukee	WI	53225	414-2348071
Olympia Sheet Metal, Inc.	Fire and Smoke Damper Contractor	12/31/2022	2839 Marvin Rd NE	Olympia	WA	98516	3604911123
Air Perfect Total Systems	TABB Contractor	12/31/2024	4250 East Tremont Avenue	BRONX	NY	10465	9179744303
Balance America, Inc.	TABB Contractor	3/31/2023	1185 Linda Vista Dr Ste B	San Marcos	CA	92078	760-798-9255
Balance America, Inc.	TABB Sound and Vibration Contractor	3/31/2023	1185 Linda Vista Dr Ste B	San Marcos	CA	92078	760-798-9255
Balance America, Inc.	TABB Commissioning Contractor	3/31/2023	1185 Linda Vista Dr Ste B	San Marcos	CA	92078	760-798-9255
CERTIFIED BALANCING AND COMMISSIONING	TABB Contractor	3/31/2023	PO 620547	LITTLETON	CO	80162	720-201-6274
E. L. Barrett Company, Inc.	TABB Contractor	3/31/2023	1147 Hancock	Quincy	MA	2169	6172858075
T&B Service	TABB Contractor	9/30/2025	110B E Grand Ave	Eau Claire	WI	54701	715-835-7813
Tweet/Garot Mechanical, Inc	Fire and Smoke Damper Contractor	12/31/2022	325 Reid St	DePere	WI	54115	910-498-7650
All American Balancing LLC	TABB Contractor	6/30/2024	10157 Lake Rd	Otisville	MI	48463	810-569-4152
Air Systems Balancing & Testing	Fire and Smoke Damper Contractor	9/30/2024	339 East Ave Suite 309	Rochester	NY	14604	585-232-3440
Air Systems Balancing & Testing	TABB Commissioning Contractor	9/30/2022	339 East Ave Suite 309	Rochester	NY	14604	585-232-3440
Air Systems Balancing & Testing	TABB Contractor	9/30/2022	339 East Ave Suite 309	Rochester	NY	14604	585-232-3440
Total Flow Control	TABB Contractor	12/31/2022	440 Burroughs St	Detroit	MI	48202	6144390870
Metro Sheet Metal	Fire and Smoke Damper Contractor	6/30/2023	3260 Fanum Rd	St. Paul	MN	55110	651-704-9366
Independent Sheet Metal, LLC	Smoke Control Systems Contractor	9/30/2022	1301 Hook Drive	Middletown	OH	45042	513-705-4120
Independent Sheet Metal, LLC	Fire and Smoke Damper Contractor	3/31/2025	1301 Hook Drive	Middletown	OH	45042	513-705-4120
Gundlach Sheet Metal Works, Inc	Fire and Smoke Damper Contractor	6/30/2023	910 COLUMBUS AVE	SANDUSKY	OH	44870	14196264525
Trueflow Testing & Balancing, LLC	TABB Contractor	3/31/2024	489A Old Hartford Road	Colchester	CT	6415	8605319398
SystemWorks LLC	TABB Contractor	3/31/2023	409 5th St	West Des Moines	IA	50265	515-975-9938
Holaday Parks	TABB Contractor	9/30/2024	4600 134th Pl.	Tukwila	WA	98168	206-276-4258
ACCO Engineered Systems	TABB Contractor	9/30/2024	888 East Walnut Street	Pasadena	CA	91101	818-805-4972
Mechanical Testing Inc.	Fire and Smoke Damper Contractor	12/31/2022	4 Chelsea Place Suite 4	Clifton Park	NY	12065	6073722880
Mechanical Testing Inc.	TABB Contractor	12/31/2022	4 Chelsea Place Suite 4	Clifton Park	NY	12065	6073722880
Mechanical Testing Inc.	Smoke Control Systems Contractor	9/30/2022	4 Chelsea Place Suite 4	Clifton Park	NY	12065	6073722880
Air Balancing Service Company	TABB Contractor	3/31/2024	16 Progress Circle, Suite 1A	Newington	CT	6111	860-500-5008
Southland Industries	TABB Contractor	9/30/2022	22340 Dresden St Suite 177	Dulles	VA	20166	703-939-4735
Southland Industries	Fire and Smoke Damper Contractor	9/30/2022	22340 Dresden St Suite 177	Dulles	VA	20166	703-939-4735
Southland Industries	TABB Sound and Vibration Contractor	9/30/2022	22340 Dresden St Suite 177	Dulles	VA	20166	703-939-4735
Cahill Sketching and Inspecting	Fire and Smoke Damper Contractor	12/31/2025	44 Clement Dr	Somerdale	NJ	8083	8567450141
AMS Mechanical Systems, Inc.	Fire and Smoke Damper Contractor	3/31/2024	9341 Adam Don Parkway	Woodridge	IL	60517	(630) 887-7700
US Test & Balance Corporation	TABB Sound and Vibration Contractor	6/30/2024	20 Corporate Park Dr Ste D	Hopewell Junction	NY	12533	845-896-5609
US Test & Balance Corporation	Fire and Smoke Damper Contractor	6/30/2024	20 Corporate Park Dr Ste D	Hopewell Junction	NY	12533	845-896-5609
US Test & Balance Corporation	TABB Contractor	6/30/2024	20 Corporate Park Dr Ste D	Hopewell Junction	NY	12533	845-896-5609
DeBra-Kuempel	Fire and Smoke Damper Contractor	6/30/2024	3976 Southern Ave	Cincinnati	OH	45227	513-271-6500
US Test & Balance Corporation	TABB Commissioning Contractor	6/30/2024	20 Corporate Park Dr Ste D	Hopewell Junction	NY	12533	845-896-5609
Complete Mechanical Balancing, Inc.	TABB Contractor	3/31/2023	PO Box 27706	Denver	CO	80227	303-948-5429
SHERMAN MECHANICAL, INC	Fire and Smoke Damper Contractor	6/30/2024	1075 ALEXANDER COURT	CARY	IL	60013	847-462-1000
The Waldinger Corporation	Fire and Smoke Damper Contractor	12/31/2022	6200 Scout Trail	Des Moines	IA	50321	515-729-8628
Premier Heating & Cooling Inc.	Fire and Smoke Damper Contractor	12/31/2023	142 Tuscany Ln	Wentzville	MO	63385	636-395-3183
Premier Heating & Cooling Inc.	TABB Contractor	12/31/2023	142 Tuscany Ln	Wentzville	MO	63385	636-395-3183
Precision TAB Services	TABB Contractor	3/31/2023	2 Highland Mews	Glen Cove	NY	11542	516-209-9632
Wings Testing and Balancing	Smoke Control Systems Contractor	12/31/2024	94 N Branford Rd	Branford	CT	6405	203-481-4988
Wings Testing and Balancing	TABB Commissioning Contractor	12/31/2022	94 N Branford Rd	Branford	CT	6405	203-481-4988
Wings Testing and Balancing	Fire and Smoke Damper Contractor	12/31/2022	94 N Branford Rd	Branford	CT	6405	203-481-4988
Wings Testing and Balancing	TABB Contractor	12/31/2022	94 N Branford Rd	Branford	CT	6405	203-481-4988
Wings Testing and Balancing	TABB Sound and Vibration Contractor	12/31/2022	94 N Branford Rd	Branford	CT	6405	203-481-4988
Wings Testing and Balancing	TABB Sound and Vibration Contractor	12/31/2022	94 N Branford Rd	Branford	CT	6405	203-481-4988
Associated Air Balance	TABB Contractor	12/31/2022	457 E Arrow Hwy Ste D	Azusa	CA	91702	626-915-8117
Superior Test and Balance	TABB Contractor	3/31/2023	861 E Leadora Ave	Glendora	CA	91741	626-771-1012
E-Balance	TABB Contractor	6/30/2023	12921 E 107th Ave	Commerce City	CO	80022	3035327560
ABM Building Solutions, LLC	TABB Contractor	3/31/2024	3640 Northgate Blvd, Suite 200	Sacramento	CA	95834	916-381-4526
Tekon-Technical Consultants, Inc.	TABB Contractor	9/30/2022	110 Corporate Drive, Suite 4	Portsmouth	NH	3801	603-335-3080
Bledsoe Environmental LLC	TABB Contractor	3/31/2024	1400 Sunday Dr.	Indianapolis	IN	46217	317-821-4750
H. T. Lyons	TABB Contractor	3/31/2023	7165 Ambassador Drive	Allentown	PA	18106	610-530-2600
Payson Sheet Metal	TABB Contractor	3/31/2023	451 N Main	Payson	UT	84651	801-465-3018
Premier Testing & Balancing LLC	TABB Contractor	9/30/2025	169 commack Rd #1034	Commack	NY	11725	6462671417
Mechanical Test & Balance, Inc.	TABB Commissioning Contractor	6/30/2024	641 Western Ave	Chicago	IL	60612	219-663-8107
Mechanical Test & Balance, Inc.	TABB Contractor	6/30/2024	641 Western Ave	Chicago	IL	60612	219-663-8107
Equal Air Balance Co	TABB Contractor	6/30/2024	357 East Arrow Highway	San Dimas	CA	91773	(714) 637-3500
Lor Mar Mechanical	Fire and Smoke Damper Contractor	12/31/2022	6710 Westfield Dr	Pennsauken	NJ	8810	856-662-5151
JF Ahern	TABB Contractor	6/30/2024	3201 West Canal St	Milwaukee	WI	53208	414-336-9645
University Mechanical Contractors Inc.	TABB Contractor	9/30/2023	4416 95th Ave NE	Lake Stevens	WA	98258	425-245-2811
R & D Heating and Sheet Metal	Fire and Smoke Damper Contractor	9/30/2022	3200 Blackmore Rd	Perry	OH	44081	440-259-3370
General Sheet Metal Works, Inc	Fire and Smoke Damper Contractor	3/31/2023	P O Box 1490	Clackamas	OR	97015	503-650-0405
Air Moving Equipment Company	TABB Contractor	12/31/2022	2645 Ardis	Las Cruces	NM	88011	575-639-8787
Air Moving Equipment Company	TABB Commissioning Contractor	12/31/2022	2645 Ardis	Las Cruces	NM	88011	575-639-8787
Air Moving Equipment Company	TABB Sound and Vibration Contractor	12/31/2022	2645 Ardis	Las Cruces	NM	88011	575-639-8787
Built Environmental Systems Testing	TABB Commissioning Contractor	12/31/2025	614 W. Guthrie	Cashion	OK	73016	501-412-1975
Built Environmental Systems Testing	TABB Contractor	12/31/2025	614 W. Guthrie	Cashion	OK	73016	501-412-1975
CIC Mechanical Systems	Fire and Smoke Damper Contractor	6/30/2024	419 Market St.,	Freeport	PA	16229	724-504-1613
Farrington Air Quality Services LLC	Fire and Smoke Damper Contractor	9/30/2024	PO Box 760	Sumner	WA	98390	2532255592
Farrington Air Quality Services LLC	TABB Contractor	9/30/2024	PO Box 760	Sumner	WA	98390	2532255592
Design Flow Associates LLC	Fire and Smoke Damper Contractor	3/31/2023	27 Lantern Ln	Halifax	MA	2338	617-590-0158
Fathom Testing LLC	TABB Contractor	6/30/2023	2300 Bowen Road #2	Elma	NY	14059	716-259-0084
Fathom Testing LLC	TABB Commissioning Contractor	6/30/2024	2300 Bowen Road #2	Elma	NY	14059	716-259-0084
TNT System Solutions, Inc	TABB Contractor	9/30/2022	603 Rogart Dr	Spicewood	TX	78669	2107878707
Sunset Air Inc.	Fire and Smoke Damper Contractor	3/31/2024	Sunset Air, Inc.	Lacey	WA	98503	3604564956
Precision Air Balance Co Inc	TABB Contractor	12/31/2023	1240 N JEFFERSON ST	ANAHEIM	CA	92807	7146303796
Precision Air Balance Co Inc - LV	Smoke Control Systems Contractor	9/30/2025	3330 W. HACIENDA AVE., #407	LAS VEGAS	NV	89118	702-270-2688
Precision Air Balance Co Inc - LV	TABB Contractor	9/30/2023	3330 W. HACIENDA AVE., #407	LAS VEGAS	NV	89118	702-270-2688
Precision Air Balance Co Inc - LV	Fire and Smoke Damper Contractor	9/30/2023	3330 W. HACIENDA AVE., #407	LAS VEGAS	NV	89118	702-270-2688
Western Allied Mechanical	Smoke Control Systems Contractor	9/30/2022	1180 O'Brien Drive	Menlo Park	CA	94025	6503260750
Western Allied Mechanical	Fire and Smoke Damper Contractor	3/31/2024	1180 O'Brien Drive	Menlo Park	CA	94025	6503260750
TICX Group	TABB Commissioning Contractor	9/30/2022	3832-10 Baymeadows Road	Jacksonville	FL	32217	904-235-6957
TABCO International	TABB Sound and Vibration Contractor	12/31/2024	3832-10 Baymeadows Road	Jacksonville	FL	32217	904-235-6957
TABCO International	TABB Contractor	12/31/2022	3832-10 Baymeadows Road	Jacksonville	FL	32217	904-235-6957
Central Valley Systems Consultants	TABB Contractor	3/31/2023	3131 Meade Ave	Las Vegas	NV	89102	702-285-2295
VM Systems, Inc.	Fire and Smoke Damper Contractor	3/31/2024	3125 Hill Ave.	Toledo	OH	43607	419-535-1044
VM Systems, Inc.	TABB Contractor	3/31/2024	3125 Hill Ave.	Toledo	OH	43607	419-535-1044
Kleeberg Sheet Metal Inc	Fire and Smoke Damper Contractor	3/31/2023	Kleeberg Sheet Metal INC. 65 Westover Rd	Ludlow	MA	1056	4132460361
H.E. Neumann Company	Fire and Smoke Damper Contractor	3/31/2023	100 Middle Creek Rd	Triadelphia	WV	26059	(304) 232-3040
Genesio Company	Fire and Smoke Damper Contractor	6/30/2024	66 Richard Road	Ivyland	PA	18974	800-273-4822
Bal-Tech, Inc.	TABB Contractor	9/30/2023	303 21st Street, Suite 109	St. Paul	MN	55055	651-785-5182
ACCO Engineered Systems	Fire and Smoke Damper Contractor	3/31/2024	9290 Beatty Dr	Sacramento	CA	95826	916-520-2100
Mared Mechanical	TABB Contractor	9/30/2022	W128N8600 Old Orchard Rd	Menomonee Falls	WI	53051	414-331-1736
SSM Industries Inc	TABB Contractor	9/30/2022	3401 Grand Ave	Pittsburgh	PA	15225	(412) 8157476
University Mechanical Contractors Inc.	Fire and Smoke Damper Contractor	3/31/2023	11611 49th Place West	Mukilteo	WA	98275	425-245-2811
Cattrell Companies, Inc.	Fire and Smoke Damper Contractor	6/30/2024	906 Franklin Street	Toronto	OH	43964	740-537-2481
Harvey Air Balance (HABCO)	TABB Sound and Vibration Contractor	6/30/2023	PO Box 236	Madison	WV	25130	304-687-4598
Harvey Air Balance (HABCO)	TABB Contractor	6/30/2023	PO Box 236	Madison	WV	25130	304-687-4598
Hays Sheet Metal	Fire and Smoke Damper Contractor	3/31/2023	7070 Kaighns Ave	Pennsauken	NJ	8109	8566627722
J L Mechanical Services, Inc	Fire and Smoke Damper Contractor	6/30/2023	13662 Roachton Rd	Perrysburg	OH	43551	419-872-6000
Precision Balancing Group	TABB Contractor	9/30/2023	549 Pine Tree Dr	Fond Du Lac	WI	54935	920-979-3825
Precision Balancing Group	Fire and Smoke Damper Contractor	9/30/2023	549 Pine Tree Dr	Fond Du Lac	WI	54935	920-979-3825
Speer Mechanical	Fire and Smoke Damper Contractor	12/31/2022	5255 Sinclair Rd	Columbus	OH	43229	614-261-6331
Speer Mechanical	Smoke Control Systems Contractor	12/31/2022	5255 Sinclair Rd	Columbus	OH	43229	614-261-6331
ADS	Fire and Smoke Damper Contractor	6/30/2024	1000 Astoria Blvd	Cherry Hill	NJ	8003	8568741100
General Temperature Control	Fire and Smoke Damper Contractor	12/31/2022	970 W Walnut St	Canal Winchester	OH	43110	614-837-3888
Pacific Test and Balance, Inc.	TABB Contractor	3/31/2025	4771 Mangels Blvd.	Fairfield	CA	94534	707-696-2444
Enerplex Mechanical Systems, Inc.	Fire and Smoke Damper Contractor	9/30/2024	728 Canal St	Bristol	PA	19007	2154587258
Gennesaret Mechanical Services, LLC	TABB Contractor	6/30/2024	1680 Clock Tower Dr.	Saint Louis	MO	63138	3148454939
Inland Air Balance Inc	TABB Contractor	12/31/2024	465 Borrego Ct	San Dimas	CA	91773	909-305-4881
VeriTAB Environmental Balancing LLC	TABB Contractor	3/31/2023	19803 Ralston St	Orlando	FL	32833	513-673-8252
McKinstry Co	Fire and Smoke Damper Contractor	9/30/2024	5005 3rd Ave South	Seattle	WA	98134	12067625900
Frank M Booth	TABB Contractor	9/30/2024	4220 Douglas Blvd	Granite Bay	CA	95746	9165423174
Frank M Booth	TABB Commissioning Contractor	9/30/2024	4220 Douglas Blvd	Granite Bay	CA	95746	9165423174
Frank M Booth	Fire and Smoke Damper Contractor	9/30/2024	4220 Douglas Blvd	Granite Bay	CA	95746	9165423174
Mechanical Sheet Metal Co	Fire and Smoke Damper Contractor	9/30/2024	723 Walnut St	Wyandotte	MI	48192	734-284-1006
Accurate Test and Balance, LLC	TABB Contractor	12/31/2023	1604 Riverview Ter	Wall Township	NJ	07719-3476	7322999553
Air Control Balancing, Inc.	TABB Contractor	3/31/2023	2140 North Winery, Suite 103	Fresno	CA	93703	559-454-8000
McDowall Company	Fire and Smoke Damper Contractor	6/30/2024	1431 Prosper Drive	Waite Park	MN	56387	320.203.9336
ACCO Engineered Systems	TABB Contractor	9/30/2024	1133 Aladdin Ave	San Leandro	CA	94577	510-346-4300
Ingersoll Sheet Metal, LLC	Fire and Smoke Damper Contractor	12/31/2022	7339 Arctic Blvd.	Anchorage	AK	99518	9075622412
Test and Balance Solutions Inc.	TABB Contractor	9/30/2024	1819 Adams St	Mankato	MN	56001	5072704255
Midwest Associates	TABB Contractor	9/30/2024	2620 Branigin Creek Blvd	Franklin	IN	46131	317-519-8820
Midwest Associates	TABB Sound and Vibration Contractor	9/30/2024	2620 Branigin Creek Blvd	Franklin	IN	46131	317-519-8820
Energy Balance & Integration LLC	TABB Contractor	9/30/2024	8915 Adams St NE	Albuquerque	NM	87113	505-344-7979
Energy Balance & Integration LLC	Fire and Smoke Damper Contractor	9/30/2024	8915 Adams St NE	Albuquerque	NM	87113	505-344-7979
Energy Balance & Integration LLC	Smoke Control Systems Contractor	9/30/2022	8915 Adams St NE	Albuquerque	NM	87113	505-344-7979
E3 Balance Nevada LLC	TABB Contractor	3/31/2024	8205 W. Warm Springs Rd. #110	Las Vegas	NV	89113	702-622-0079
Premier Test & Balance LLC	TABB Contractor	12/31/2022	375 230th Ave	Somerset	WI	54025	612-834-0311
K & I Sheet Metal, Inc.	Fire and Smoke Damper Contractor	12/31/2023	2010 Chapman Street	Pittsburgh	PA	15215	14122927022
Lee Mechanical	Fire and Smoke Damper Contractor	3/31/2023	4883 W Blazing Star Rd	Franklin	WI	53132	1-262-771-4932
Lee Mechanical	TABB Contractor	3/31/2023	4883 W Blazing Star Rd	Franklin	WI	53132	1-262-771-4932
Wm J Donovan Co	Fire and Smoke Damper Contractor	6/30/2023	3429 W Indiana Ave	Philadelphia	PA	19132	215-225-3677
Wm J Donovan Co	TABB Contractor	6/30/2023	3429 W Indiana Ave	Philadelphia	PA	19132	215-225-3677
Labco Air & Water Balancing, Inc.	TABB Commissioning Contractor	6/30/2024	1090 Mountain Road	West Suffield	CT	6093	(860) -668-1329
Labco Air & Water Balancing, Inc.	TABB Contractor	6/30/2024	1090 Mountain Road	West Suffield	CT	6093	(860) -668-1329
MacDonald-Miller Facility Solutions	Fire and Smoke Damper Contractor	3/31/2023	17930 International Blvd. Suite 120	Seatac	WA	98188	206-571-2661
MacDonald-Miller Facility Solutions	TABB Contractor	3/31/2023	17930 International Blvd. Suite 120	Seatac	WA	98188	206-571-2661
MacDonald-Miller Facility Solutions	Smoke Control Systems Contractor	9/30/2022	17930 International Blvd. Suite 120	Seatac	WA	98188	206-571-2661
MacDonald-Miller Facility Solutions	Fire and Smoke Damper Contractor	3/31/2023	106010 E Wiser Pkwy	Kennewick	WA	99338	2065712661
Mechanical Test & Balance Inc	TABB Commissioning Contractor	6/30/2024	1416 E Joliet St	Crown Point	IN	46307	219-663-8107
Mechanical Test & Balance Inc	TABB Contractor	6/30/2024	1416 E Joliet St	Crown Point	IN	46307	219-663-8107
Mechanical Test & Balance Inc	Fire and Smoke Damper Contractor	6/30/2024	1416 E Joliet St	Crown Point	IN	46307	219-663-8107
Mechanical Test & Balance Inc	Smoke Control Systems Contractor	9/30/2022	1416 E Joliet St	Crown Point	IN	46307	219-663-8107
Northstar Environmental LTD	TABB Commissioning Contractor	12/31/2024	1198 Mulberry st	Beaver	PA	15009	724-513-9046
Northstar Environmental LTD	Fire and Smoke Damper Contractor	12/31/2022	1198 Mulberry st	Beaver	PA	15009	724-513-9046
Northstar Environmental LTD	TABB Sound and Vibration Contractor	12/31/2022	1198 Mulberry st	Beaver	PA	15009	724-513-9046
Northstar Environmental LTD	TABB Contractor	12/31/2022	1198 Mulberry st	Beaver	PA	15009	724-513-9046
Northstar Environmental LTD	Smoke Control Systems Contractor	9/30/2022	1198 Mulberry st	Beaver	PA	15009	724-513-9046
Campbell Mechanical Services Inc.	Fire and Smoke Damper Contractor	3/31/2023	2875 Crane Way	Northwood	OH	43619	419-392-0364
McKamish	TABB Contractor	3/31/2025	50 55th St	Pittsburgh	PA	15201	412-520-4575
Circo System Balance, Inc.	TABB Contractor	9/30/2024	4100 Florin Perkins Road	Sacramento	CA	95826	9168893714
PSF Mechanical, Inc	Fire and Smoke Damper Contractor	6/30/2023	11621 E Marginal Way S	Seattle	WA	98168	2067649663
Rymac Inc	TABB Contractor	3/31/2023	1008 Thornton Way	San Jose	CA	95128	408-371-1968
Balance Technologies Inc	TABB Contractor	9/30/2022	1906 S 3rd St	Milwaukee	WI	53204-0997	414-708-3648
Qual-Air HVAC, Inc.	Fire and Smoke Damper Contractor	3/31/2023	18791 State Route 301	Lagrange	OH	44050	440-341-1745
Pan-Pacific Mechanical	TABB Contractor	12/31/2024	48363 Fremont Blvd	Fremont	CA	94538	650-561-8810
TH Martin Inc	Fire and Smoke Damper Contractor	9/30/2022	8500 Brookpark Road	Cleveland	OH	44129	2163377589
A.F.I. Sheet Metal	Fire and Smoke Damper Contractor	3/31/2023	P.O. Box 3088	Huntington	WV	25702	304-529-0322
McClanahan Inc DBA Hartmanaire	TABB Contractor	6/30/2023	12 Gardenia	Lake Forest	CA	92630	951-479-6855
Silicon Valley Mechanical	TABB Contractor	3/31/2025	2115 Ringwood Ave	San Jose	CA	95131	9255778087
Air Systems Sheet Metal	Fire and Smoke Damper Contractor	3/31/2023	303 N Ohio Ave	Clarksburg	WV	26301	304-326-0072
Ohio Fabricators, Inc	Fire and Smoke Damper Contractor	3/31/2023	1452 Kenmore Boulevard	Akron	OH	44314	3307454406
Ohio Fabricators, Inc	Smoke Control Systems Contractor	9/30/2022	1452 Kenmore Boulevard	Akron	OH	44314	3307454406
ASAP LLC	Smoke Control Systems Contractor	9/30/2024	1478 S Pike Ln	Gilbert	AZ	85296	602-370-4797
ASAP LLC	TABB Commissioning Contractor	9/30/2024	1478 S Pike Ln	Gilbert	AZ	85296	602-370-4797
ASAP LLC	TABB Sound and Vibration Contractor	9/30/2024	1478 S Pike Ln	Gilbert	AZ	85296	602-370-4797
ASAP LLC	Fire and Smoke Damper Contractor	9/30/2024	1478 S Pike Ln	Gilbert	AZ	85296	602-370-4797
ASAP LLC	TABB Contractor	9/30/2024	1478 S Pike Ln	Gilbert	AZ	85296	602-370-4797
Big Bend Associates, LLC DBA Miller and Associates Testing and Balancing	TABB Contractor	6/30/2024	4 The Pines Ct	Saint Louis	MO	63141	314-961-4018
Sheet Metal Experts, Inc.	Fire and Smoke Damper Contractor	3/31/2023	8986 N.W. 105th Way	Medley	FL	33178	(305) 805-2019
Comfort Control Inc	TABB Contractor	3/31/2023	6711 Distribution Dr	Beltsville	MD	20705	(301) 931-9300
Systems Testing and Analysis Inc	Fire and Smoke Damper Contractor	9/30/2024	11730 Old Ballas Road	Creve Coeur	MO	63141	314-567-6011
Systems Testing and Analysis Inc	Smoke Control Systems Contractor	9/30/2024	11730 Old Ballas Road	Creve Coeur	MO	63141	314-567-6011
Systems Testing and Analysis Inc	TABB Contractor	9/30/2024	11730 Old Ballas Road	Creve Coeur	MO	63141	314-567-6011
Holaday Parks	Smoke Control Systems Contractor	9/30/2022	4600 134th Pl.	Tukwila	WA	98168	425-231.2904
Holaday Parks	Fire and Smoke Damper Contractor	12/31/2022	4600 134th Pl.	Tukwila	WA	98168	425-231.2904
Bonland Industries	Fire and Smoke Damper Contractor	3/31/2024	1500 Bridgewater Road	Bensalem	PA	19020	2677209000
J. F. Coffey Associates, Inc.	TABB Contractor	9/30/2022	523 Washington St	Duxbury	MA	2332	7819345200
sheet metal inc	Fire and Smoke Damper Contractor	3/31/2024	6517 arctic spur road	anchoarage	AK	99518	9073060010
Aero Building Solutions	Fire and Smoke Damper Contractor	3/31/2023	11100 Belmont Ave	Franklin Park	IL	60131	312-666-3097
Aero Building Solutions	TABB Contractor	3/31/2023	11100 Belmont Ave	Franklin Park	IL	60131	312-666-3097
RD's HVAC Inc	TABB Contractor	9/30/2022	15020 S Cicero Ave, Suite 205	Oak Forest	IL	60452	708-925-4005
N-Demand Test and Balance, LLC	TABB Commissioning Contractor	6/30/2024	3810 Academy Parkway South NE	Albuquerque	NM	87109	505-639-4564
N-Demand Test and Balance, LLC	TABB Sound and Vibration Contractor	6/30/2024	3810 Academy Parkway South NE	Albuquerque	NM	87109	505-639-4564
Native Air Company, LLC	TABB Contractor	9/30/2024	PO BOX 1466	PERALTA	NM	87042	(505) 866-0822
N-Demand Test and Balance, LLC	TABB Contractor	6/30/2024	3810 Academy Parkway South NE	Albuquerque	NM	87109	505-639-4564
Gowan Inc Systems Commissioning Inc	Smoke Control Systems Contractor	9/30/2022	5550 Airline Dr	Houston	TX	77076	713-249-1268
Gowan Inc Systems Commissioning Inc	Fire and Smoke Damper Contractor	9/30/2022	5550 Airline Dr	Houston	TX	77076	713-249-1268
Gowan Inc Systems Commissioning Inc	TABB Contractor	9/30/2022	5550 Airline Dr	Houston	TX	77076	713-249-1268
Edwards McDowell, Inc.	Fire and Smoke Damper Contractor	12/31/2023	400 East 10th Ave.	North Kansas City	MO	64116	816-221-7878
Stromberg Metal Works Inc	Fire and Smoke Damper Contractor	6/30/2023	6701 Distribution Dr	Beltsville	MD	20705	301-931-1000
Horwitz	Fire and Smoke Damper Contractor	6/30/2023	7400 49th Ave N	New Hope	MN	55428	763 533 1900
Imperial Heating and Cooling	Fire and Smoke Damper Contractor	9/30/2022	30685 Solon Industrial Parkway	Solon	OH	44139	440-498-1788
Research Air Flo	TABB Contractor	9/30/2023	5571 Peachtree Rd	Atlanta	GA	30341	843-789-0672
Empire Testing & Balancing Inc	TABB Contractor	9/30/2022	7 Eileen Dr	Mahwah	NJ	7430	2014462112
West Coast Test and Balance	TABB Contractor	3/31/2023	1686 2nd St	Livermore	CA	94550-8275	925-605-8208
Performance Testing and Balancing, LLc	TABB Contractor	3/31/2023	282 Fomer Road	Southampton	MA	1073	413-527-1682
Jedi Balancing, Inc.	TABB Commissioning Contractor	9/30/2024	568 Briggs Street	Erie	CO	80516	(720) 839-5333
Jedi Balancing, Inc.	TABB Contractor	9/30/2024	568 Briggs Street	Erie	CO	80516	(720) 839-5333
Jedi Balancing, Inc.	TABB Sound and Vibration Contractor	9/30/2024	568 Briggs Street	Erie	CO	80516	(720) 839-5333
Hooper Corporation	Fire and Smoke Damper Contractor	3/31/2024	6450 Pederson Crossing Blvd.	Deforest	WI	53532	608268-3156
Northern Ky Htg & Cooling	Fire and Smoke Damper Contractor	9/30/2023	3213 Rector Road	Morning View	KY	41063	8596200337
Pospisil Enterprises LLC.	TABB Contractor	3/31/2023	P O Box 202	Cedar Park	TX	78630	512-431-6500
Pospisil Enterprises LLC.	Fire and Smoke Damper Contractor	3/31/2023	P O Box 202	Cedar Park	TX	78630	512-431-6500
Midwest Building Technologies	TABB Contractor	6/30/2023	204 Fabricator Dr	Fenton	MO	63026	6184100946
Dynamic Air Solutions	TABB Commissioning Contractor	3/31/2023	3426 Bridgeland Drive	Bridgeton	MO	63044	314-395-9125
Dynamic Air Solutions	TABB Contractor	3/31/2023	3426 Bridgeland Drive	Bridgeton	MO	63044	314-395-9125
Dynamic Air Solutions	Fire and Smoke Damper Contractor	3/31/2023	3426 Bridgeland Drive	Bridgeton	MO	63044	314-395-9125
Dynamic Air Solutions	Smoke Control Systems Contractor	3/31/2025	3426 Bridgeland Drive	Bridgeton	MO	63044	314-395-9125
Dynamic Air Solutions	TABB Sound and Vibration Contractor	3/31/2023	3426 Bridgeland Drive	Bridgeton	MO	63044	314-395-9125
Northstar Environmental Ltd	Smoke Control Systems Contractor	9/30/2022	1198 Mulberry Street	Beaver	PA	15009	724-775-2122
Freedom Air Balance, Inc.	TABB Contractor	3/31/2023	9444 Oasis Road	Pinon Hills	CA	92372	760-885-8898
Freedom Air Balance, Inc.	TABB Contractor	3/31/2023	9444 Oasis Road	Pinon Hills	CA	92372	760-885-8898
Illingworth-Kilgust Mechanical	TABB Contractor	12/31/2022	11217 W. Becher St.	West Allis	WI	53227	414-431-7177
Big City Balancing	TABB Contractor	9/30/2025	24-41 31st St #1016	Astoria	NY	11102	646-294-4138
National Air Balance Company, Inc.	TABB Contractor	6/30/2024	4171 Business Center Dr	Fremont	CA	94538	510-623-7000
DunRight Balancing LLC	TABB Contractor	9/30/2022	17050 Goshawk Rd W	Colorado Springs	CO	80908	719-322-1735
Thermal Thinkers, Inc.	TABB Contractor	6/30/2025	660 White Plains Rd Ste 120	Tarrytown	NY	10591	914-769-4190
SMART Local Union 105	TABB Contractor	12/31/2022	2120 Auto Centre Drive	Glendora	CA	91740	626-926-4203
Fisher Balancing Co.	Fire and Smoke Damper Contractor	12/31/2022	1799 Glassboro Cross-Keys Rd	Williamstown	NJ	8094	856-740-9134
Fisher Balancing Co.	TABB Contractor	12/31/2022	1799 Glassboro Cross-Keys Rd	Williamstown	NJ	8094	856-740-9134
Certified Air Balance Co., Inc.	TABB Contractor	9/30/2023	9970 Bell Ranch Dr Ste 101	Santa Fe Springs	CA	90670	5629411200
Performance Testing and Balancing, LLC	TABB Contractor	3/31/2023	282 Fomer Road	Southhampton	MA	1073	413-527-1682
Indoor Environmental Services	TABB Contractor	12/31/2023	1512 Silica Ave.	Sacramento	CA	95815	916-988-8808
Dee Cramer Inc	Smoke Control Systems Contractor	9/30/2022	4221 E. Baldwin Road	Holly	MI	48442	810-579-4755
Md systems testing llc	TABB Contractor	9/30/2024	13500 Clara Martin Rd	Manor	TX	78653	5125789405
Independent Air Inc	TABB Contractor	9/30/2022	4 Sycamore Ln	West Bridgewater	MA	02379-1000	508-580-8808
Circle R Mechanical	Fire and Smoke Damper Contractor	9/30/2024	6620 Shephard Ave	Portage	IN	46368	219-746-3057
Circle R Mechanical	TABB Contractor	9/30/2024	6620 Shephard Ave	Portage	IN	46368	219-746-3057
Velocity Building Technical Services	Fire and Smoke Damper Contractor	9/30/2024	21440 68th Ave. S.	Kent	WA	98032	4253500905
Marx Sheet Metal & Mechanical Inc	Fire and Smoke Damper Contractor	3/31/2023	373 High Street	Wilkes Barre	PA	18702	5708244737
Duct Fabricators, Incorporated	Smoke Control Systems Contractor	9/30/2022	883 Addison Road	Cleveland	OH	44103	216.391.2400
Duct Fabricators, Incorporated	Fire and Smoke Damper Contractor	3/31/2023	883 Addison Road	Cleveland	OH	44103	216.391.2400
New England Sheet Metal and Mechanical Co.	Fire and Smoke Damper Contractor	9/30/2023	P. O. Box 27409	Fresno	CA	93729	559-268-7375
RDs HVAC	TABB Contractor	3/31/2023	8741 Cranbrook Ln	Bridgeview	IL	60455	708-441 7611
Accustar Air Balance, Inc.	TABB Contractor	3/31/2023	W148 N6923 Terriwood Dr	Menomonee Falls	WI	53051	262-502-7827
Castle Heating and Air Inc.	Fire and Smoke Damper Contractor	3/31/2023	30355 Solon Industrial Parkway	Solon	OH	44139	216-696-3940
Fluid Balance LLC	TABB Contractor	9/30/2024	5312 Travis Oaks	Marble Falls	TX	78654	512-826-8857
Fluid Balance International	TABB Contractor	6/30/2024	PO Box 4260	Lago Vista	TX	78645	512-497-6812
GTAB LLC	TABB Sound and Vibration Contractor	9/30/2024	PO Box 52080	Mesa	AZ	85208	480-352-2003
GTAB LLC	Fire and Smoke Damper Contractor	9/30/2024	PO Box 52080	Mesa	AZ	85208	480-352-2003
GTAB LLC	TABB Contractor	9/30/2024	PO Box 52080	Mesa	AZ	85208	480-352-2003
GTAB LLC	Smoke Control Systems Contractor	9/30/2024	PO Box 52080	Mesa	AZ	85208	480-352-2003
Synergy Mechanical, INC	TABB Contractor	3/31/2023	4202 Warren Ave	Hillside	IL	60162	708-410-1004
The Jamar Company	Fire and Smoke Damper Contractor	9/30/2024	4701 Mike Colalillo Drive	Duluth	MN	55807	2186281027
United Mechanical Inc	TABB Contractor	12/31/2024	2185 Oakland Rd.	San Jose	CA	95131	4087866661
International Test & Balance, Inc	Fire and Smoke Damper Contractor	3/31/2023	17135 W. 10 Mile Rd	Southfield	MI	48075	(248) 559-5864
International Test & Balance, Inc	TABB Contractor	3/31/2023	17135 W. 10 Mile Rd	Southfield	MI	48075	(248) 559-5864
Chinook Test & Balance	TABB Contractor	12/31/2022	6406 Turret Dr	COLORADO SPRINGS	CO	80918	7196844310
ACCO Engineered Systems	TABB Contractor	12/31/2022	9290 Beatty Drive	Sacramento	CA	95826	9162759902
Hunter Mechanical - West Chester, PA	Fire and Smoke Damper Contractor	3/31/2024	1525 McDaniel Drive	West Chester	PA	19380-7037	2156332888
Sheet Metal Inc.	TABB Contractor	9/30/2024	Sheet Metal Inc	Anchorage	AK	99518	9078858958
TAB Services Inc.	TABB Commissioning Contractor	9/30/2024	2065 S Raritan St	Denver	CO	80223	(303) 649-1213
TAB Services Inc.	TABB Contractor	9/30/2022	2065 S Raritan St	Denver	CO	80223	(303) 649-1213
TAB Services Inc.	Smoke Control Systems Contractor	9/30/2022	2065 S Raritan St	Denver	CO	80223	(303) 649-1213
TAB Services Inc.	TABB Sound and Vibration Contractor	9/30/2024	2065 S Raritan St	Denver	CO	80223	(303) 649-1213
CFM Test & Balance Corporation	TABB Contractor	9/30/2022	14 Depot Place	Bethel	CT	6801	(203) 778-1900
Comprehensive Test and Balance, Inc	TABB Contractor	6/30/2024	55 Park Drive	Dover	PA	17315	717-938-8196
Weickert Industries	TABB Contractor	3/31/2023	26-35 47th Avenue	Long Island city	NY	11101	718-706-0707
Weickert Industries	Fire and Smoke Damper Contractor	3/31/2023	26-35 47th Avenue	Long Island city	NY	11101	718-706-0707
Limbach Company LLC	Smoke Control Systems Contractor	9/30/2022	822 Cleveland Ave	Columbus	OH	43201	614-299-2175
Advanced Testing, Balancing and Energy Consulting	TABB Contractor	3/31/2023	657 Meeker Ave	Brooklyn	NY	11222	201-726-8604
Air Concepts Inc.	Fire and Smoke Damper Contractor	3/31/2024	2804-B Old Rogers Rd	Bristol	PA	19007	215-788-2880
Airtest Co. LLC	Smoke Control Systems Contractor	9/30/2022	6405 218th St SW, Suite 301	Mountlake Terrace	WA	98043	4253130172
International Test & Balance, Inc.	TABB Contractor	3/31/2023	2100 Sanders Rd.	North Brook	IL	60062	(847) 759-1800
PSF Mechanical	TABB Contractor	6/30/2023	11621 E marginal Way S	Tukwila	WA	98168	2532219355
Air Management Industries	TABB Contractor	12/31/2024	8351 Elm Ave #102	Rancho Cucamonga	CA	91730	909-945-0041
Flow Dynamic Balancing, LLC	TABB Commissioning Contractor	9/30/2024	130 lake street	Amery	WI	54001	612-578-9485
Flow Dynamic Balancing, LLC	TABB Contractor	9/30/2024	130 lake street	Amery	WI	54001	612-578-9485
Emcor Scalise Industries	Fire and Smoke Damper Contractor	3/31/2023	55 park dr	Lawrence	PA	15055	724-746-5400