| Atkinson Electronics, Inc. | Salt Lake City | UT | $80.4K |
| Laney's, Inc. | Fargo | ND | $80.2K |
| Hav Arc Heating And Air, LLC | Stockbridge | GA | $80K |
| Thermostat Blocker I, Inc. | Deerfield | IL | $79.8K |
| Central Heating & Cooling Inc. | Mountain Home | AR | $79.5K |
| American Fire Sprinkler Corp. | Shawnee | KS | $79.4K |
| H. E. Neumann Company | Triadelphia | WV | $79.1K |
| Pender Brothers Inc. | Port Royal | SC | $78.8K |
| Andor, Inc. | Watertown | SD | $78.8K |
| Hantan Genie Climatique Et Ingenierie | Abomey Calavi | | $78.8K |
| Commercial Express Hvac LLC | Sterling | VA | $78.8K |
| Air Marshall's Air Conditioning Inc. | Lake Park | FL | $78.7K |
| Peterson Mechanical Inc. | Fargo | ND | $78.6K |
| Rusher Air Conditioning | Lawndale | CA | $77.8K |
| The Cope Company Salt | Lancaster | PA | $77.7K |
| LPC Services Inc. | Halethorpe | MD | $77.6K |
| HSC LLC | Knoxville | TN | $77.5K |
| Mtechne LLC | Wilmington | MA | $77.2K |
| Southern Corrosion Inc. | Roanoke Rapids | NC | $77K |
| Chinook Fire Protection, Inc. | Anchorage | AK | $76.8K |
| C. J. Hansen Co. Inc. | Salem | OR | $76.6K |
| Lopez, Daniel | Vega Baja | PR | $76.6K |
| Bill Howe Plumbing Inc. | San Diego | CA | $76.1K |
| S & S Sheetmetal, Inc. | White City | OR | $76K |
| Commercial Service Of Bloomington, Inc. | Bloomington | IN | $75.6K |
| Cryo-tech Inc. | Miami | FL | $75.5K |
| Mecco, LLC | Columbia | MD | $74.9K |
| Coleman Mechanical Services, Inc. | Harlem | GA | $74.8K |
| Last Key Ac LLC | Key West | FL | $74.6K |
| Sexson Mechanical Company, LLC | Greenwood | IN | $74.3K |
| Air Plus LLC | Scott | LA | $73.9K |
| Atlantic Services Inc. | Bel Air | MD | $73.7K |
| GHT Gesellschaft Fur Haustechnik Service GMBH | Bad Vilbel | | $73.7K |
| Aloha State Refrigeration & Air Conditioning, Inc. | Honolulu | HI | $73.2K |
| M. I. S. Of America, Inc. | Lancaster | NY | $73K |
| Blue Hat Mechanical, Inc. | Apex | NC | $72.8K |
| Pipewerx Mechanical LLC | Logandale | NV | $72.7K |
| Pm Plumbing & Mechanical Inc. | Mesa | AZ | $72.5K |
| Total Mechanical, Inc. | Pewaukee | WI | $72.4K |
| Mike's Heating & Air, Inc. | Anderson | CA | $72.4K |
| The Waldinger Corp. | Des Moines | IA | $72.1K |
| West Coast Fire Protection, Inc. | Chino | CA | $72.1K |
| Low Country Air Solutions, LLC | Beaufort | SC | $71.8K |
| Hutchins Hvac Inc. | Union Beach | NJ | $71.6K |
| New England Backflow, Inc. | Auburn | NH | $71.5K |
| E And S Trenchless Services LLC | Albuquerque | NM | $71.1K |
| Plumb-vital Sanitation And Plumbing, LLC | Nicholasville | KY | $70.8K |
| Altrol, Inc. | Fairbanks | AK | $70.3K |
| Bradley Heating & Air Conditioning, Inc. | Royal Palm Beach | FL | $70.1K |
| Thunder Bay Air, Inc. | Saint Petersburg | FL | $70K |
| Total Air Control LLC | Tutor Key | KY | $69.8K |
| Biasci S.R.L. | Livorno | | $69.5K |
| DNS Plumbing & Heating LLC | South Saint Paul | MN | $69.3K |
| Northeast Tower Service Corp. | Holliston | MA | $69K |
| Mj Mechanical, L.L.C. | Juniata | NE | $68.9K |
| S A Comunale Co. Inc. | Barberton | OH | $68.4K |
| J. Gray & Associates, Inc. | Fernandina Beach | FL | $68K |
| Severn Group Inc. | Upper Marlboro | MD | $67.7K |
| J & J Bollinger Corp. | Timber Lake | SD | $67.6K |
| Ac Technical Services Corp. | San Juan | PR | $67.5K |
| Bert's Inc. | Williamsburg | VA | $67.4K |
| Youngs Heating And Cooling LLC | Walla Walla | WA | $67K |
| Gateway Contracting, Inc. | Jacksonville | FL | $66.8K |
| Arizona Boiler Company, Inc. | Peoria | AZ | $66.7K |
| Robie's Refrigeration, Inc. | Hyannis | MA | $66.5K |
| Doonwood Engineering Inc. | Kailua | HI | $66.5K |
| Don Kampfhenkel | Kerrville | TX | $66.2K |
| Berg Enterprises Inc. | Sierra Vista | AZ | $66.1K |
| Eletrofrig Ar Condicionado Ltda | Brasilia | | $66K |
| Stoner Enterprises Inc. | Hagerstown | MD | $65.9K |
| Best Plumbing Heating & Cooling LLC | Sidney | NE | $65.9K |
| P & L - Johnson Mechanical, Inc. | Astoria | OR | $65.5K |
| Air Quality Of Kingman, Inc. | Kingman | AZ | $65.5K |
| Marick Refrigeration, LLC | Des Moines | IA | $65.4K |
| Zion Services LLC | Oklahoma City | OK | $65K |
| California Environmental Systems, Inc. | Auburn | CA | $64.9K |
| Firetrol Protection Systems, Inc. | Corpus Christi | TX | $64.2K |
| Hutton Plumbing Heating & Ac, LLC | Amarillo | TX | $64.2K |
| Bay City Boiler And Engineering Company, Incorporated | Hayward | CA | $63.7K |
| Apex Service Group LLC | Farmington Hills | MI | $63.6K |
| NVC Chiller Inc. | Valencia | CA | $63.5K |
| Alaka'i Mechanical Corporation | Honolulu | HI | $63.5K |
| Globalmix - Redes De Gas, Climatizacoes E Publicidade, Lda | Angra Do Heroismo | | $63.5K |
| Western Mechanical Co. Inc. | Albuquerque | NM | $63.4K |
| Charles E. Jarrell Contracting Company, Inc. | Earth City | MO | $63.4K |
| Iron Mountain Fire Protection, Inc. | Shingle Springs | CA | $63.3K |
| Automated Comfort Controls, Inc. | Appleton | WI | $62.8K |
| Scott's Heating & Plumbing Service, Incorporated | Kodiak | AK | $62.7K |
| Bouer Plumbing Heating & Cooling Inc. | Millstone Township | NJ | $62.4K |
| A & S Plumbing, Inc. | Albuquerque | NM | $62.4K |
| 1ST Gen Hvac, Inc. | Wellsville | UT | $62.3K |
| Jake Marshall Service, Inc. | Chattanooga | TN | $62.2K |
| Yakima Mechanical, Inc. | Yakima | WA | $61.4K |
| Dusty Ducts, Inc. | Forest | VA | $61.3K |
| E. Smith Heating & Air Conditioning, Inc. | Marietta | GA | $61.2K |
| Kap Mechanical Services LLC | Elko | NV | $61.1K |
| TNC Industries Inc. | Mound | MN | $61K |
| Synergy Temperature Control, LLC | El Paso | TX | $60.8K |
| Trojan Tube Sales & Fabrications Inc. | Muncy | PA | $60.5K |
| Metro Building Services, LLC | Bolton | MS | $60.4K |
