| Make Ready Construction Services, LLC | Bolivia | NC | $628K |
| Multimarine Services, Inc. | Curtis Bay | MD | $627K |
| Community Fire Protection | Seaside | CA | $621K |
| Hill Marine Refrigeration Inc. | Mobile | AL | $618K |
| Omega Marine Refrigeration LLC | Norfolk | VA | $615K |
| Kk Construction LLC | Pearl City | HI | $606K |
| Carrier Australia Pty Ltd. | Dingley Village | | $605K |
| Kerney & Associates, LLC | Fort Lauderdale | FL | $601K |
| Purologix Water Services, Inc. | Garner | NC | $600K |
| Red Horse Plumbing LLC | Gilbert | AZ | $600K |
| Riverbend Air Conditioning Inc. | Des Arc | AR | $599K |
| M Davis & Sons Inc. | Kennett Sq | PA | $589K |
| Climate Control Resources, L.L.C | Prescott | AZ | $583K |
| Affordable Service Solutions, LLC | Richmond | KY | $581K |
| Emcon Services Inc. | Peachtree City | GA | $580K |
| Mielke Mechanical Inc. | Medina | OH | $572K |
| Bl Trade | Asan-si | CHUNGCHEONGNAM-DO | $572K |
| Hvac Solutions, Inc. | Guaynabo | PR | $571K |
| A 1 Construction Services LLC | Coila | MS | $568K |
| Matrix Hg, Inc. | Concord | CA | $566K |
| Greater Niagara Mechanical Inc. | North Tonawanda | NY | $566K |
| Osb Services LLC | Memphis | TN | $563K |
| Cha Fire Protection Services, LLC | Birmingham | AL | $562K |
| Prime Fire Protection Corp. | Trujillo Alto | PR | $562K |
| Troy Mechanical Inc. | Moosic | PA | $561K |
| The Heffron Co. Inc. | Kensington | MD | $560K |
| Shoreline Mechanical LLC | Pasadena | MD | $558K |
| Tidewater Mechanical LLC | Chesapeake | VA | $556K |
| Socon Service, Inc. | Summerville | SC | $555K |
| Tetra Group, LLC | East Fairfield | VT | $551K |
| Dentech, Inc. | Denver | PA | $546K |
| A To Z Plumbing & Heating, Inc. | Ashland | WI | $545K |
| Specialty Refrigeration Services | Statesville | NC | $540K |
| Sierra Boiler Service, Inc. | Las Vegas | NV | $538K |
| Accel Air Systems, Inc. | Santa Clara | CA | $537K |
| Backflow Prevention Specialists, Inc. | Sunnyvale | CA | $531K |
| Water Tec Of Tucson Inc. | Tucson | AZ | $529K |
| Rashad Ac And Heating LLC | New Orleans | LA | $527K |
| United States Alliance Fire Protection, Inc. | Lake Forest | IL | $526K |
| Martin & White Mechanical Contractors, Inc. | Millington | TN | $523K |
| Coolsys Commercial & Industrial Solutions Inc. | Brea | CA | $517K |
| First Service Air Conditioning Contractors, Inc. | Midland | TX | $513K |
| B2B Direct Sales, Inc. | Mesa | AZ | $513K |
| Upchurch Services LLC | Horn Lake | MS | $511K |
| Mechanical Maintenance, Inc. | Climax | NC | $508K |
| Orr Protection Systems Inc. | Louisville | KY | $507K |
| Fire X Sales & Service Corp. | Hagerstown | MD | $506K |
| Granite Fire Protection Inc. | Oakhurst | CA | $499K |
| Cosco Fire Protection, Inc. | Mission Viejo | CA | $499K |
| A&c Commercial Refrigeration LLC | Littleton | CO | $493K |
| Air Comfort, LLC | Broadview | IL | $492K |
| James Lane Air Conditioning Company, LLC | Wichita Falls | TX | $491K |
| Louisiana Controls, Inc. | Baton Rouge | LA | $491K |
| Firetrol Protection Systems, Inc. | Oklahoma City | OK | $489K |
| Ability Solutions LLC | Dededo | GU | $488K |
| Major Trading LLC | Frisco | TX | $487K |
| Dillon Boiler Services Company, Inc. | Fitchburg | MA | $484K |
| C & M Mechanical | Jurupa Valley | CA | $478K |
| Byron Gibbons | Alturas | CA | $478K |
| Texas Chiller Systems LLC | San Antonio | TX | $477K |
| Truheat LLC | Port Saint Lucie | FL | $474K |
| K.t. Service - Krio Technology Service - Societa' A Responsabilita' Limitata | Ciampino | | $473K |
| Dallas Woll Inc. | Ukiah | CA | $472K |
| The John F. Gallagher Plumbing Co. | Eastlake | OH | $467K |
| Api Group Life Safety USA LLC | Paducah | KY | $467K |
| J. Louis Crum Corporation | Columbia | MO | $465K |
| John J. Gregory Co. Inc. | Dunmore | PA | $461K |
| Capitol Boiler Works Inc. | Springfield | VA | $458K |
| Clarity Water Technologies LLC | Orangeburg | NY | $457K |
| Graham Plumbing Inc. | Heber Springs | AR | $455K |
| Paramount Mechanical Corp. | Manassas | VA | $454K |
| Raamm LLC | Las Vegas | NV | $454K |
| Johnson Controls Of Puerto Rico Inc. | Guaynabo | PR | $450K |
| Torah Federal Systems LLC | Elba | AL | $448K |
| American Boiler Inc. | Alexandria | VA | $446K |
| D 'N A Heating & Air LLC | Columbus | GA | $443K |
| Fosselman Refrigeration, Heating & Air, Inc. | Plains | MT | $440K |
| Alpha-vet Construction LLC | Columbus | GA | $437K |
| Summit Fire Protection Co. | Saint Paul | MN | $434K |
| Simoneau & Sterling Midwest Corp. | Hudson | WI | $432K |
| Haynes Mechanical Systems, Inc. | Greenwood Village | CO | $430K |
| Cooks Air Conditioning & Heating, Inc. | Blountville | TN | $429K |
| Howe Inc. | Sioux Falls | SD | $426K |
| Mechanical Services Inc. | Portland | ME | $424K |
| Western Mechanical, Inc. | Fairbanks | AK | $421K |
| Therm Flo, Inc. | Buffalo Grove | IL | $417K |
| Atlantic For Services Inc. | Stoneham | MA | $416K |
| Rckwell LLC | Farmingdale | NY | $407K |
| American Building Comfort Services, Inc. | Oxnard | CA | $400K |
| Karber Corporation | Phoenix | AZ | $399K |
| Innovative Boiler Solutions, LLC | Mercedes | TX | $399K |
| Northwest Plumbing & Mechanical Inc. | Enid | OK | $398K |
| RJH Air Conditioning And Refrigeration Service L.L.C. | Beltsville | MD | $398K |
| Waco Inc. | Sandston | VA | $398K |
| United Air Conditioning, Refrigeration, Plumbing & Heating, Inc. | Newburgh | NY | $396K |
| County Fire Protection, LLC | Kent | OH | $395K |
| BCP Mechanical, LLC | Fallbrook | CA | $395K |
| Elite Mechanical Services LLC | Lacey | WA | $392K |
| Royal Hue Co. For Building Construction | Qibla | | $389K |
| Integ Miami LLC | Davie | FL | $389K |