| Hearth & Home Technologies LLC | 421 | 144 | 88 | 89 | 53 | $4,000 | 41% |
| Thermal Comfort Heating & Air LLC | 242 | 65 | 46 | 65 | 39 | $20,000 | 53% |
| Horizon Services MD LLC | 158 | 41 | 34 | 48 | 26 | $15,000 | 98% |
| Ralph Beall | 152 | 34 | 44 | 46 | 30 | $800 | 84% |
| Frank Cullen Inc | 109 | 34 | 22 | 26 | 9 | $28,000 | 49% |
| FH Furr Plumbing Heating & Air Conditioning Inc | 102 | 16 | 43 | 23 | 16 | $11,564 | 99% |
| Richmond Mechanical Services Inc | 79 | 0 | 29 | 50 | 0 | $1,000 | 22% |
| American Residential Services LLC | 68 | 29 | 28 | 6 | 2 | $10,500 | 100% |
| Marbin N Gutierrez | 66 | 20 | 12 | 20 | 12 | $5,999 | 64% |
| Springfield Contractors Inc | 64 | 21 | 17 | 9 | 3 | $12,000 | 59% |
| C.B. Lucas, Co, Inc | 61 | 18 | 16 | 11 | 10 | $15,000 | 89% |
| Falcon Heating & Air Conditioning Inc | 60 | 17 | 18 | 19 | 7 | $6,000 | 28% |
| Chandler'S Plumbing & Heating Co, Inc | 60 | 13 | 14 | 17 | 12 | $12,000 | 100% |
| Michael & Son Services Inc | 59 | 7 | 8 | 29 | 15 | $7,989 | 98% |
| Nokesville Heating and AC Inc | 55 | 16 | 7 | 16 | 9 | $15,000 | 44% |
| RRF Solutions LLC | 49 | 10 | 17 | 10 | 11 | $4,500 | 63% |
| William H Metcalfe | 48 | 14 | 13 | 10 | 4 | $54,000 | 44% |
| McCrea Equipment Company Inc | 46 | 5 | 9 | 16 | 11 | $10,750 | 87% |
| Masters Mid Atlantic LLC | 43 | 0 | 2 | 22 | 19 | $24,000 | 21% |
| Northern Virginia Mechanical Services Inc | 41 | 31 | 2 | 2 | 0 | $3,000 | 27% |
| Southern Maryland Heating & Air Inc | 40 | 7 | 9 | 12 | 6 | $6,375 | 3% |
| Argent Heating & Cooling LLC | 38 | 15 | 14 | 7 | 0 | $4,900 | 95% |
| BL James & Son LLC | 35 | 13 | 13 | 2 | 0 | $7,500 | 71% |
| Chesapeake Hearth and Stone Company LLC | 35 | 0 | 1 | 4 | 30 | $1,000 | 17% |
| United Air-Temp Air Conditioning and Heating LLC | 34 | 4 | 11 | 3 | 16 | $2,400 | 100% |
| John S Lee | 33 | 13 | 10 | 8 | 2 | $10,000 | 79% |
| Odat LLC | 30 | 10 | 9 | 4 | 5 | $8,212 | 100% |
| Hearth Care Services Inc | 28 | 13 | 0 | 0 | 0 | $800 | 86% |
| Parrish Services Inc | 26 | 13 | 12 | 1 | 0 | $5,500 | 96% |
| Daniel Reddick and Sons Inc | 26 | 2 | 5 | 8 | 11 | $9,176 | 96% |
| H & M General Construction Inc | 26 | 4 | 6 | 11 | 4 | $14,805 | 77% |
| Mechanical Electrical and Plumbing Partners LLC | 24 | 8 | 7 | 4 | 2 | $14,500 | 75% |
| Renovations Expert Inc | 23 | 6 | 6 | 5 | 5 | $3,200 | 83% |
| Masters Inc | 21 | 13 | 7 | 0 | 0 | $23,700 | 43% |
| Jama Inc | 20 | 5 | 5 | 3 | 3 | $3,500 | 80% |
| Alex HVAC Service LLC | 20 | 7 | 5 | 3 | 1 | $12,000 | 70% |
| Ametech HVAC LLC | 20 | 4 | 6 | 4 | 5 | $28,000 | 85% |
| Condon-Reed Inc | 20 | 12 | 3 | 2 | 2 | $1,900 | 100% |
| Service Specialties Incorporated | 19 | 1 | 7 | 7 | 4 | $10,000 | 95% |
| B & B Air Conditioning & Heating Service Company Inc | 19 | 11 | 2 | 5 | 0 | $6,557 | 100% |
| Full Spectrum Services Inc | 19 | 4 | 7 | 7 | 1 | $9,600 | 84% |
| Krafft Air Conditioning Service Corp | 19 | 8 | 3 | 4 | 3 | $15,000 | 95% |
| M E Flow Inc | 18 | 5 | 5 | 7 | 1 | $9,932 | 100% |
| HVAC Unlimited Inc | 16 | 4 | 4 | 4 | 3 | $7,338 | 94% |
| Stevens & Wren Plumbing & Heating Contractors Inc | 16 | 3 | 9 | 3 | 0 | $14,000 | 100% |
| Trademasters Service Inc | 15 | 2 | 7 | 4 | 1 | $2,000 | 93% |
| Aircon Repair Services LLC | 15 | 3 | 1 | 8 | 2 | $5,000 | 87% |
| Caliente Heating and Air Conditioning LLC | 15 | 6 | 2 | 4 | 3 | $9,800 | 67% |
| Richards Air Conditioning Co Inc | 15 | 2 | 2 | 8 | 2 | $6,934 | 100% |
| Donmar Heating and Cooling Company Incorporated | 14 | 3 | 3 | 3 | 3 | $13,250 | 86% |
| Mann-In Inc | 14 | 3 | 1 | 2 | 8 | $17,608 | 100% |
| Sarca Services LLC | 14 | 2 | 4 | 2 | 4 | $12,500 | 79% |
| Rooftop Chimney Sweeps LLC | 13 | 3 | 9 | 0 | 1 | $9,541 | 100% |
| Indoor Comfort Experts LLC | 13 | 5 | 5 | 2 | 1 | $7,500 | 92% |
| Dustin Smith | 12 | 3 | 5 | 2 | 1 | $28,500 | 75% |
| Hearth N Home Tech | 12 | 0 | 4 | 8 | 0 | $4,400 | 58% |
| NOVA Fireplace and Stove Inc | 11 | 4 | 0 | 2 | 1 | $1,300 | 91% |
| Complete Comfort DMV, LLC | 11 | 0 | 3 | 6 | 2 | $12,000 | 9% |
| HVAC Mechanics LLC | 11 | 3 | 2 | 5 | 1 | $13,200 | 55% |
| James Edward Marquess JR | 11 | 4 | 2 | 1 | 2 | $2,000 | 91% |
| Winstons of Northern Virginia Inc | 11 | 1 | 1 | 3 | 2 | $4,500 | 91% |
| Axton Services LLC | 10 | 0 | 1 | 4 | 5 | $12,000 | 40% |
| RP Mechanical Services LLC | 10 | 3 | 2 | 4 | 1 | $8,500 | 100% |
| Kasper Mechanical LLC | 10 | 3 | 3 | 4 | 0 | $7,750 | 90% |
| R and A Electrical Services LLC | 10 | 0 | 2 | 3 | 5 | $1,150 | 80% |
| Air Fly HVAC Pro LLCsmall record | 9 | 0 | 1 | 3 | 6 | $14,500 | 100% |
| Chance V Austinsmall record | 9 | 3 | 2 | 1 | 1 | $6,250 | 100% |
| E L P P Incsmall record | 9 | 3 | 3 | 0 | 1 | $10,000 | 100% |
| Ea Services Heating & Coolingsmall record | 9 | 0 | 0 | 5 | 4 | $6,900 | 67% |
| Inka HVAC Incsmall record | 9 | 3 | 3 | 1 | 2 | $12,500 | 67% |
| Ace Hardware Home Services Incsmall record | 8 | 0 | 0 | 6 | 2 | $7,250 | 100% |
| F H Furr Plumbing, Heating, Air & Electrical Conditioning Incsmall record | 8 | 7 | 1 | 0 | 0 | $9,701 | 100% |
| Meade'S Heating and Air LLCsmall record | 8 | 0 | 1 | 7 | 0 | $15,500 | 100% |
| PHX Contracting LLCsmall record | 8 | 4 | 0 | 0 | 0 | $14,883 | 100% |
| Quality Air Experts LLCsmall record | 8 | 2 | 2 | 3 | 0 | $11,500 | 100% |
| Nice Home Services LLCsmall record | 7 | 3 | 4 | 0 | 0 | $10,500 | 86% |
| A P Woodson Companysmall record | 7 | 1 | 3 | 1 | 2 | $7,590 | 100% |
| BMC Installation Heating and Air Conditioning LLCsmall record | 7 | 2 | 2 | 1 | 1 | $5,680 | 100% |
| Cardinal Plumbing Heating & Air Incsmall record | 7 | 0 | 2 | 4 | 1 | $10,000 | 100% |
| Dittmar Building Companysmall record | 7 | 2 | 0 | 3 | 2 | $6,500 | 100% |
| MBC Services LLCsmall record | 7 | 2 | 3 | 0 | 2 | $6,500 | 71% |
| Pars Heating Air Conditioning & Refrigerationsmall record | 7 | 3 | 1 | 1 | 2 | $27,000 | 29% |
| Snell Heating and Airsmall record | 7 | 2 | 1 | 4 | 0 | $21,318 | 100% |
| A & T Heating & Air Conditioning Incsmall record | 6 | 0 | 1 | 5 | 0 | $11,000 | 100% |
| Apex Plumbingsmall record | 6 | 1 | 1 | 3 | 1 | $800 | 67% |
| Arlington Heating & Air Conditioning Incsmall record | 6 | 3 | 1 | 2 | 0 | $1,500 | 100% |
| CM Heating and Cooling Mechanical Services Incsmall record | 6 | 2 | 2 | 1 | 1 | $14,705 | 83% |
| Cyprus Incsmall record | 6 | 0 | 0 | 4 | 2 | $3,350 | 83% |
| Gary'S Heating & Air Conditioning LLCsmall record | 6 | 0 | 0 | 1 | 3 | $8,600 | 100% |
| Len the Plumber LLCsmall record | 6 | 0 | 0 | 6 | 0 | $17,500 | 100% |
| McDaniel Service Incorporatedsmall record | 6 | 2 | 1 | 2 | 0 | $6,700 | 100% |
| N S Heating & Cooling Incsmall record | 6 | 5 | 1 | 0 | 0 | $8,188 | 83% |
| Salvation LLCsmall record | 6 | 0 | 2 | 3 | 1 | $11,550 | 100% |
| Thomas J Fannonsmall record | 6 | 1 | 1 | 2 | 2 | $12,995 | 100% |
| AB Heating & Air Conditioning LLCsmall record | 5 | 0 | 2 | 3 | 0 | $1,500 | 100% |
| Alpha Electric LLCsmall record | 5 | 1 | 1 | 1 | 2 | $500 | 100% |
| American Professional Chimney Masonry & Home Repair Service Incsmall record | 5 | 1 | 2 | 0 | 2 | $2,500 | 100% |
| Carmel Mechanical Services LLCsmall record | 5 | 0 | 2 | 0 | 1 | $17,000 | 100% |
| CD Shanahan'S Heating and Cooling LLCsmall record | 5 | 0 | 1 | 4 | 0 | $1,200 | 100% |
| Compain and Compain LLCsmall record | 5 | 3 | 1 | 0 | 0 | $8,656 | 100% |
| Edy Najerassmall record | 5 | 0 | 2 | 2 | 1 | $3,000 | 100% |
| EMP Experts LLCsmall record | 5 | 0 | 5 | 0 | 0 | $2,000 | 100% |
| GM Mechanical Contractors LLCsmall record | 5 | 2 | 0 | 1 | 1 | $18,000 | 80% |
| John Nugent & Sons Incsmall record | 5 | 1 | 3 | 0 | 0 | $3,500 | 100% |
| McCrea Heating & Air Conditioning Services of VA LLCsmall record | 5 | 2 | 2 | 1 | 0 | $3,500 | 60% |
| Prosperity Heating & Cooling Incsmall record | 5 | 2 | 2 | 1 | 0 | $30,000 | 100% |
| Remington Construction LLCsmall record | 5 | 0 | 1 | 2 | 1 | $15,000 | 40% |
| Telliott Heating and Air Conditioning LLCsmall record | 5 | 0 | 2 | 2 | 1 | $9,000 | 100% |
| Clover Contracting LLCsmall record | 4 | 4 | 0 | 0 | 0 | $8,500 | 100% |
| American Cooling & Heating LLCsmall record | 4 | 1 | 0 | 0 | 0 | $8,250 | 25% |
| Brooks Heating & Air LLCsmall record | 4 | 3 | 0 | 1 | 0 | $10,000 | 100% |
| District Cleaners Equipment Incsmall record | 4 | 0 | 2 | 1 | 1 | $11,500 | 100% |
| First Choice Heating and Cooling LLCsmall record | 4 | 1 | 1 | 1 | 1 | $7,500 | 100% |
| HVAC USA Incsmall record | 4 | 1 | 0 | 1 | 1 | $7,050 | 100% |
| James Vito Incsmall record | 4 | 1 | 0 | 1 | 1 | $27,201 | 100% |
| K&y HVAC Services LLCsmall record | 4 | 0 | 1 | 2 | 1 | $6,500 | 25% |
| MRT Plumbing & Construction Incsmall record | 4 | 1 | 2 | 1 | 0 | $10,500 | 100% |
| Thermo Flow LLCsmall record | 4 | 2 | 0 | 0 | 0 | $1,500 | 75% |
| Top Builders LLCsmall record | 4 | 0 | 3 | 1 | 0 | $763 | 100% |
| Twin Air LLCsmall record | 4 | 3 | 0 | 0 | 1 | $6,542 | 100% |
| W & E Sheet Metal Incsmall record | 4 | 1 | 0 | 1 | 2 | $11,000 | 50% |