| Belonger Corp. Inc. | West Bend | WI | $2.29M |
| 4 G Plumbing And Heating, Inc. | Missoula | MT | $2.29M |
| James A Quick Inc. | Forest Hill | MD | $2.25M |
| Ontario Hvac Solutions Inc. | Dexter | NY | $2.2M |
| Engineered Cooling Services LLC | Pensacola | FL | $2.2M |
| Mcclure Company | Harrisburg | PA | $2.16M |
| Shambaugh & Son, L.P | Fort Wayne | IN | $2.11M |
| Tolin Mechanical Systems Company, LLC | Denver | CO | $2.09M |
| Jenson Fire Protection Inc. | Laurel | MD | $2.07M |
| Rhew Plumbing & Mechanical Inc. | Temecula | CA | $2.07M |
| Cne-cmi JV LLC | Courtland | VA | $2.06M |
| Boiler Chiller Systems, LLC | Omaha | NE | $2.05M |
| Power Mechanical Inc. | Newport News | VA | $1.96M |
| Als Twin Air LLC | Glenarden | MD | $1.96M |
| Springfield Solutions LLC | Roseburg | OR | $1.95M |
| Meridian Systems, Incorporated | Anchorage | AK | $1.93M |
| R A Walton & Co. Inc. | York | PA | $1.92M |
| Diehl GMBH | Baumholder | | $1.91M |
| Dahme Mechanical Industries Inc. | Arlington Heights | IL | $1.89M |
| Aires & Servicios Contratistas Mecanicos Inc. | San Lorenzo | PR | $1.88M |
| Alaska Integrated Services, LLC | Fairbanks | AK | $1.88M |
| Ats Automation, Inc. | Renton | WA | $1.82M |
| California Boiler, Inc. | Santa Ana | CA | $1.81M |
| Ses Technologies LLC | San Diego | CA | $1.8M |
| Alef Synergy Mechanical Corp. | Pompano Beach | FL | $1.8M |
| Paragon Mechanical, Inc. | Morgan Hill | CA | $1.77M |
| PC Automated Controls, Inc. | El Paso | TX | $1.77M |
| Advantage Mechanical LLC | Becker | MN | $1.77M |
| Auburn Mechanical, Inc. | Auburn | WA | $1.75M |
| Agape Encounters, LLC | Lakewood | CO | $1.75M |
| Handymench LLC | Miami Beach | FL | $1.72M |
| Rosales Daniel | Norwalk | CA | $1.71M |
| Professional Piping, Inc. | Westport | MA | $1.7M |
| Applied Mechanical Solutions Inc. | Escondido | CA | $1.69M |
| Adco Companies, Ltd. | Bessemer | AL | $1.69M |
| Tate Engineering Systems, Inc. | Halethorpe | MD | $1.66M |
| Ahrens Mechanical | San Diego | CA | $1.65M |
| Mechanical Cooling Services, LLC | Bossier City | LA | $1.64M |
| Bradley-sciocchetti, Inc. | Pennsauken | NJ | $1.63M |
| Long Building Technologies, Inc. | Littleton | CO | $1.62M |
| Brady Trane Service Inc. | Greensboro | NC | $1.6M |
| Miller & Chitty Co. | Kenilworth | NJ | $1.59M |
| Haids Plumbing & Heating | Mills | WY | $1.57M |
| Air Control Engineering Inc. | Columbus | MS | $1.57M |
| Ketchikan Mechanical Inc. | Ketchikan | AK | $1.54M |
| Api Group Life Safety USA LLC | Centennial | CO | $1.53M |
| M & D Mechanical Contractors Inc. | Decatur | AL | $1.52M |
| Borlie Mechanical Contracting LLC | Inwood | WV | $1.52M |
| Northwest Controls Systems Inc. | North Little Rock | AR | $1.52M |
| Cj Mechanical LLC | Naranjito | PR | $1.52M |
| American Boiler Services Inc. | Saint Louis | MO | $1.52M |
| A/c Services & Mechanical LLC | Fayetteville | AR | $1.51M |
| Advanced Fire Protection Services LLC | Minot | ME | $1.5M |
| Carolina Comfort Solutions, Inc. | Columbia | SC | $1.48M |
| Kozco Mechanical Inc. | Ogden | UT | $1.46M |
| Northern Purchase Services, LLC | Mount Vernon | NY | $1.45M |
| Enviro-tab Inc. | Naranjito | PR | $1.45M |
| Staubach Barror Water Systems Inc. | Schenectady | NY | $1.44M |
| Environmental Test & Balance Co. LLC | Memphis | TN | $1.44M |
| BTR Enterprises Of Sc LLC | Mountville | SC | $1.42M |
| Dynamic Drain Technologies, LLC | Alexandria | VA | $1.42M |
| Hwsi GMBH | Gotzendorf An Der Leitha | | $1.41M |
| Casto Technical Services Inc. | Charleston | WV | $1.41M |
| RLP Mechanical Contractors LLC | Waxahachie | TX | $1.38M |
| N2ec Aircon And Heating Corporation | Corona | CA | $1.36M |
| One Speed Ventures LLC | Lincoln | CA | $1.35M |
| Hemco Properties, LLC | Albemarle | NC | $1.33M |
| G1/esa South JV LLC | Atlanta | GA | $1.33M |
| Performanceepc, LLC | Independence | OH | $1.33M |
| Bluenergy Assistance S.R.L. | Codroipo | UD | $1.33M |
| Dajani LLC | Sterling | VA | $1.33M |
| Living Waters Plumbing & Mechanical, LLC | Anchorage | AK | $1.32M |
| M&H United LLC | Fayetteville | NC | $1.32M |
| Waibel Energy Systems, Inc. | Vandalia | OH | $1.31M |
| Harry H Jones Plumbing & Heating Co. Inc. | Germantown | TN | $1.31M |
| Burniche Piping, Inc. | Waterford | NY | $1.3M |
| Star Service Inc. Of Mobile | Mobile | AL | $1.29M |
| Conditioned Air, LLC | Macon | GA | $1.29M |
| Suntech Mechanical, Inc. | El Paso | TX | $1.26M |
| Air Rite Hvac Inc. | Hyannis | MA | $1.26M |
| Carolina Chillers, LLC | Ladson | SC | $1.25M |
| David Katz Consulting LLC | North Miami Beach | FL | $1.24M |
| Alliance Group Services, LLC | Essex Junction | VT | $1.2M |
| Havtech Service LLC | Columbia | MD | $1.19M |
| Sno Valley Process Solutions Inc. | Everett | WA | $1.18M |
| Api Hvac Services, Inc. | Oak Creek | WI | $1.18M |
| Mission Aire Corporation | Brea | CA | $1.18M |
| Andrews Refrigeration Inc. | Glendale | AZ | $1.16M |
| American Chiller Service, Inc. | Rancho Cordova | CA | $1.16M |
| Lunday Heating & Cooling Incorporated | West Fargo | ND | $1.16M |
| H.v.a.c. LLC | North Pole | AK | $1.16M |
| Micah Property Management, LLC | Duncanville | TX | $1.15M |
| Triangle Fire Protection Inc. | Carlisle | PA | $1.15M |
| Holmes Mechanical, Inc. | Bremerton | WA | $1.14M |
| Gardner Co. Inc. | Murrieta | CA | $1.14M |
| Coleman Construction, Inc. | Harlem | GA | $1.13M |
| All Services Hvac, LLC | Bowie | MD | $1.12M |
| Weinkauf Plumbing & Heating Inc. | Alpena | MI | $1.11M |
| Duncan Mechanical Services, Inc. | San Angelo | TX | $1.1M |
| Fritsch GMBH | Steinwenden | | $1.1M |
