| SouthEastern Plumbing and Septic Inc. | Clayton | — | — | 8 | Limited |
| Rhodes Plumbing Co. | Raleigh | — | — | 11 | Limited |
| C & C Select Plumbing LLC | Benson | — | — | 10 | Limited |
| Central Carolina Plumbing LLC | ZEBULON | — | — | 9 | Limited |
| Arnold Irrigation & Lighting, Inc. | Fuquay Varina | — | — | 9 | Limited |
| Service Experts Heating & Air Conditioning, LLC | Clayton | — | — | 18 | Limited |
| RBM Plumbing Systems Inc. | Ponte Vedra | — | — | 9 | Limited |
| H & H Plumbing Service | Raleigh | — | — | 12 | Limited |
| Sun Plumbing, LLC | Cary | — | — | 9 | Limited |
| M & M Mechanical Maintenance, LLC | Dunn | — | — | 14 | Limited |
| A.H. Plumbing | Raleigh | — | — | 10 | Limited |
| Hobby's Plumbing | Smithfield | — | — | 11 | Limited |
| Expert Plumbing Solutions LLC | Raleigh | — | — | 10 | Limited |
| Varsity Plumbing & Heating LLC. | Zebulon | — | — | 8 | Limited |
| Clearstream Plumbing llc | Raleigh | — | — | 8 | Limited |
| Cardinal Points Plumbing, LLC | ANGIER | — | — | 9 | Limited |
| Harrison's Plumbing L.L.C. | Raleigh | — | — | 8 | Limited |
| R. L. Bailey Plumbing | Raleigh | — | — | 12 | Limited |
| Priority Plumbing Contractor LLC | WILLOW SPRING | — | — | 11 | Limited |
| Steed's Appl. & Plumbing Service | Fuquay Varina | — | — | 11 | Limited |
| Scheibner Plumbing LLC | Garner | — | — | 9 | Limited |
| SPC Mechanical Corporation | Wendell | — | — | 20 | Limited |
| 2AM Plumbing Inc. | GARNER | — | — | 10 | Limited |
| Larry W. Oliver Plumbing | Selma | — | — | 10 | Limited |
| Carbone Plumbing LLC | Garner | — | — | 9 | Limited |
| Mr. Rooter Plumbing of Winston-Salem (dba) | Apex | — | — | 9 | Limited |
| Drip Doctor Plumbing & Drain Cleaning | Rolesville | — | — | 10 | Limited |
| Philip R Mohn Plumbing Service | Smithfield | — | — | 11 | Limited |
| M & M Industrial Plumbing, Inc. | Apex | — | — | 11 | Limited |
| Apex Plumbing & Heating, Inc. | APEX | — | — | 19 | Limited |
| T-N-R Plumbing Inc. | Kenly | — | — | 11 | Limited |
| Associated Plumbing Company of Raleigh, Inc. | Raleigh | — | — | 11 | Limited |
| Capital Empire Construction Group Plumbing, LLC | Raleigh | — | — | 11 | Limited |
| Jackson Plumbing | Dunn | — | — | 11 | Limited |
| Kopshina Plumbing Heating & Air Conditioning, Inc. | Cary | — | — | 14 | Limited |
| Axis Plumbing, LLC | Morrisville | — | — | 10 | Limited |
| Heroes Plumbing and Repair LLC | Benson | — | — | 8 | Limited |
| Mainstream Plumbing & Associates Inc | Garner | — | — | 8 | Limited |
| PK Plumbing LLC | Apex | — | — | 9 | Limited |
| Senter's Plumbing | Rolesville | — | — | 10 | Limited |
| Carolina HVAC & Plumbing, LLC | Raleigh | — | — | 18 | Limited |
| J & R Plumbing and Home Repairs, Inc. | Four Oaks | — | — | 10 | Limited |
| Frank Pearce Backhoe & Septic Tank Service, Inc. | Rolesville | — | — | 11 | Limited |
| Full Flow Plumbing, LLC | Raleigh | — | — | 8 | Limited |
| Robco Plumbing Solutions | Selma | — | — | 11 | Limited |
| MACN Plumbing LLC | CARY | — | — | 10 | Limited |
| Hatco Plumbing, Inc. | Raleigh | — | — | 10 | Limited |
| Plumbing Service Professionals LLC | Fuquay Varina | — | — | 10 | Limited |
| CJ's Plumbing and Repair LLC | Middlesex | — | — | 9 | Limited |
| 2nd Generation Plumbing LLC | Raleigh | — | — | 9 | Limited |
| Solid Ground Renovations & Plumbing LLC | Clayton | — | — | 9 | Limited |
| Nabors Plumbing, LLC | Fuquay Varina | — | — | 8 | Limited |
| Aloha Air HVAC Inc. | Raleigh | — | — | 15 | Limited |
| Cain Plumbing, Inc. | Fuquay Varina | — | — | 12 | Limited |
| Henderson's Plumbing, Inc. | Clayton | — | — | 9 | Limited |
| Dudes Plumbing Inc. | Raleigh | — | — | 10 | Limited |
| Mel's Mechanical | Louisburg | — | — | 14 | Limited |
| JLA Plumbing LLC | Raleigh | — | — | 9 | Limited |
| Your Neighbor's Plumber, LLC | Princeton | — | — | 8 | Limited |
| Conner Backflow Prevention Inc. | Raleigh | — | — | 11 | Limited |
| Barney's Plumbing, Inc. | Raleigh | — | — | 12 | Limited |
| AM Plumbing Services, LLC | Angier | — | — | 10 | Limited |
| Bath Worxs Plumbing | Winterville | — | — | 11 | Limited |
| Forever Plumbing LLC | Raleigh | — | — | 8 | Limited |
| Herbert Ferguson Plumbing | Apex | — | — | 12 | Limited |
| Nolan's Plumbing Inc. | Four Oaks | — | — | 8 | Limited |
| Paramount Plumbing L.L.C. | Coats | — | — | 9 | Limited |
| Simple Service Plumbing L.L.C. | Fuquay Varina | — | — | 9 | Limited |
| Vista Plumbing LLC | Four Oaks | — | — | 9 | Limited |
| Rainy Days Irrigation, Inc. | Garner | — | — | 11 | Limited |
| Sessco Plumbing LLC | Garner | — | — | 11 | Limited |
| C & S Plumbing LLC | Zebulon | — | — | 10 | Limited |
| NC Plumbing Pros Inc. | Raleigh | — | — | 8 | Limited |
| Laszlo Foldes Plumbing | RALEIGH | — | — | 12 | Limited |
| Clear Water Plumbing & Heating, LLC | Louisburg | — | — | 10 | Limited |
| G.S. Jenkins Plumbing, LLC | Selma | — | — | 10 | Limited |
| Inline Plumbing Co., LLC | Willow Springs | — | — | 11 | Limited |
| A & M Heating & Air Conditioning, Inc. | Garner | — | — | 17 | Limited |
| Raleigh Plumbing & Heating, Inc. | Raleigh | — | — | 11 | Limited |
| Systemize Irrigation Service dba | RALEIGH | — | — | 9 | Limited |
| F&O Plumbing LLC | Angier | — | — | 8 | Limited |
| Ben's Plumbing | WENDELL | — | — | 11 | Limited |
| K. I. S. Plumbing, LLC | Zebulon | — | — | 10 | Limited |
| The Art of Plumbing NC LLC | Cary | — | — | 9 | Limited |
| Heritage Plumbing LLC | Aberdeen | — | — | 10 | Limited |
| RES Plumbing, Inc. | Raleigh | — | — | 11 | Limited |
| CDK Plumbing & Drains Inc. | APEX | — | — | 13 | Limited |
| Double J Plumbing, LLC | Bunnlevel | — | — | 14 | Limited |
| Bill Buckner Plumbing Inc. | Apex | — | — | 11 | Limited |
| Hinnant Plumbing | Selma | — | — | 10 | Limited |
| Griffin and Son Plumbing | Angier | — | — | 11 | Limited |
| Custom HVAC Services, Inc. | Raleigh | — | — | 17 | Limited |
| Allegiance Plumbing, LLC | ANGIER | — | — | 9 | Limited |
| Elite Plumbing Services, LLC | Youngsville | — | — | 9 | Limited |
| Heritage Plumbing Co. | Wendell | — | — | 10 | Limited |
| J & A Plumbing Service LLC | Four Oaks | — | — | 10 | Limited |
| ECO Irrigation, Inc | Raleigh | — | — | 9 | Limited |
| Titan's Plumbing LLC | Benson | — | — | 9 | Limited |
| Rott's Plumbing LLC | Benson | — | — | 8 | Limited |
| Hydro Plumbing and Piping LLC | Raleigh | — | — | 11 | Limited |
| Syd's Plumbing | CARY | — | — | 11 | Limited |
| Water Heaters Expert LLC | Holly Springs | — | — | 9 | Limited |
| CDC Carolina Plumbing, LLC | Raleigh | — | — | 9 | Limited |
| Petro Plumbing LLC | Apex | — | — | 8 | Limited |
| Jordan Plumbing & Gas | Clayton | — | — | 9 | Limited |
| Carolina Plumbing & Backflow Inc. | Knighdale | — | — | 8 | Limited |
| Clear Comfort Plumbing, Heating & Air Conditioning LLC | Holly Springs | — | — | 12 | Limited |
| Dail Mechanical, Inc. | Raleigh | — | — | 20 | Limited |
| Ken West Plumbing | Lillington | — | — | 12 | Limited |
| Rudy's Plumbing & Repairs | Smithfield | — | — | 12 | Limited |
| Dazco Plumbing | Raleigh | — | — | 11 | Limited |
| Plumb Level Plumbing and Construction, LLC | Angier | — | — | 10 | Limited |
| A and S Plumbing | Angier | — | — | 11 | Limited |
| NC Premium Plumbing Services, LLC | Angier | — | — | 11 | Limited |
| KG Plumbing LLC | Raleigh | — | — | 10 | Limited |
| Affordable Plumbing | Raleigh | — | — | 12 | Limited |
| R. L. Holland Plumbing Company | Angier | — | — | 12 | Limited |
| Hahn Plumbing Services, Inc. | Apex | — | — | 10 | Limited |
| Mares Plumbing LLC | Fuquay Varina | — | — | 11 | Limited |
| Credence Plumbing | Creedmoor | — | — | 9 | Limited |
| Daniel Arnold Plumbing Services LLC | Wendell | — | — | 9 | Limited |
| True Plumbing Co. | Raleigh | — | — | 10 | Limited |
| Rest Assured Plumbing LLC | Zebulon | — | — | 9 | Limited |
| Plumbing Concepts Inc. | Holly Springs | — | — | 10 | Limited |
| Precision Pipe, LLC | Raleigh | — | — | 8 | Limited |
| Morgan Plumbing LLC | Clayton | — | — | 8 | Limited |
| Triple Crown Plumbing, LLC | GARNER | — | — | 8 | Limited |
| Imperial Plumbing Solutions LLC | Benson | — | — | 9 | Limited |
| Tommy Allen Plumbing | WILLOW SPRING | — | — | 9 | Limited |
| Almighty Plumbing | Holly Springs | — | — | 10 | Limited |
| Hockaday Mechanical Corporation | Garner | — | — | 20 | Limited |
| MGS Plumbing, Inc. | Raleigh | — | — | 9 | Limited |
| Local Plumbing & Mechanical Inc. | Raleigh | — | — | 10 | Limited |
| Mitch's Plumbing Service | DUNN | — | — | 11 | Limited |
| David Baker Plumbing, Inc. | Zebulon | — | — | 12 | Limited |
| Mascott Plumbing | Knightdale | — | — | 10 | Limited |
| John Darr Mechanical, Inc. | Zebulon | — | — | 9 | Limited |
| Alpine Plumbing LLC | Raleigh | — | — | 9 | Limited |
| Vitale Drain & Water Service LLC | Wake Forest | — | — | 8 | Limited |
| McBride Plumbing, Inc. | Wake Forest | — | — | 12 | Limited |
| ABL & Associates Plumbing, LLC | Raleigh | — | — | 19 | Limited |
| Danny Sullivan's Plumbing, Inc. | Coats | — | — | 11 | Limited |
| Wells Plumbing Co. Inc. | Raleigh | — | — | 10 | Limited |
| Roto Rooter Services Company | Raleigh | — | — | 8 | Limited |
| Just Right Plumbing LLC | Smithfield | — | — | 8 | Limited |
| Global Plumbing NC | Coats | — | — | 10 | Limited |
| Arcane Plumbing Solutions LLC | Apex | — | — | 9 | Limited |
| MW Mechanical LLC | Clayton | — | — | 15 | Limited |
| Solomon Plumbing, Co. | Raleigh | — | — | 15 | Limited |
| Dean's Plumbing, Inc. | Wendell | — | — | 11 | Limited |
| S & S Mechanical of The Carolina's, Inc. | Clayton | — | — | 11 | Limited |
| Aqua Plumbing & Pump Service, LLC | Fuquay Varina | — | — | 11 | Limited |
| Darrah Plumbing Services, LLC | Raleigh | — | — | 10 | Limited |
| Bizzy Bee Plumbing, Inc. | Raleigh | — | — | 13 | Limited |
| Redco Plumbing (dba) | Raleigh | — | — | 12 | Limited |
| Bradley Plumbing of NC Inc. | Raleigh | — | — | 11 | Limited |
| Pathway Plumbing, Inc. | Apex | — | — | 8 | Limited |
| J Plumbing Service Inc. | Raleigh | — | — | 9 | Limited |
| Faircloth Plumbing, LLC | Wendell | — | — | 9 | Limited |
| Mark Hughes Plumbing LLC | Willow Spring | — | — | 10 | Limited |
| Trew Backflow Testing and Irrigation, Inc. | Princeton | — | — | 9 | Limited |
| Billy Creech Plumbing & Trenching | Princeton | — | — | 11 | Limited |
| Carolina Plumbing Specialists, LLC | Kenly | — | — | 10 | Limited |
| Van's Plumbing LLC | Raleigh | — | — | 11 | Limited |
| BUCH Plumbing (dba) | Raleigh | — | — | 9 | Limited |
| Ransom and Company Drain Cleaning LLC | Raleigh | — | — | 8 | Limited |
| Baumgart Plumbing LLC | Raleigh | — | — | 8 | Limited |
| Camden's Plumbing & Repair, Inc. | Fuquay Varina | — | — | 11 | Limited |
| Water + Plumbing & Piping LLC | Apex | — | — | 11 | Limited |
| MBS Plumbing Service | Morrisville | — | — | 9 | Limited |
| Executive Plumbing LLC | Garner | — | — | 10 | Limited |
| Pipe Pro Plumbing LLC | Four Oaks | — | — | 8 | Limited |
| Golden Rule Plumbing Services, L.L.C. | Knightdale | — | — | 9 | Limited |
| DH Plumbing of The Triangle, LLC | Garner | — | — | 10 | Limited |
| Puryear Plumbing | Knightdale | — | — | 14 | Limited |
| Waite Plumbing, Inc. | Cary | — | — | 10 | Limited |
| JBM Plumbing LLC | Fuquay Varina | — | — | 9 | Limited |
| Hall's Plumbing & Backflow, LLC | New Hill | — | — | 9 | Limited |
| Chris Williams Plumbing | Garner | — | — | 11 | Limited |
| On Demand Plumbing | Four Oaks | — | — | 9 | Limited |
| Local Plumb Pros L.L.C. | Raleigh | — | — | 9 | Limited |
| Partners Mechanical Inc. | Apex | — | — | 19 | Limited |
| MJ’s Plumbing Services LLC | Raleigh | — | — | 8 | Limited |
| J & J's Plumbing Services LLC | Raleigh | — | — | 8 | Limited |
| Gallo Mechanical, L.L.C. | Raleigh | — | — | 19 | Limited |
| Interior Climate Contractors | Raleigh | — | — | 19 | Limited |
| Crossroads Plumbing and Drain, llc | Four Oaks | — | — | 9 | Limited |
| A & R Plumbing, LLC | Selma | — | — | 9 | Limited |
| Triangle Plumbing Solutions LLC | Zebulon | — | — | 12 | Limited |
| Redco Plumbing, LLC | Raleigh | — | — | 8 | Limited |
| FlowBuilt Plumbing Services, LLC | Holly Springs | — | — | 8 | Limited |
| Piedmont Plumbing | Raleigh | — | — | 12 | Limited |
| Priceless Plumber LLC | Garner | — | — | 10 | Limited |
| Able Plumbing Services Inc. | Holly Springs | — | — | 10 | Limited |
| Triangle Oaks Plumbing LLC | Fuquay Varina | — | — | 8 | Limited |
| A&J Plumbing Service, Inc. | Wake Forest | — | — | 10 | Limited |
| Artisan Plumbing, LLC | Zebulon | — | — | 10 | Limited |
| Rowe Plumbing (dba) | Louisburg | — | — | 8 | Limited |
| Alpha Plumbing & Services L.L.C. | Four Oaks | — | — | 9 | Limited |
| Mars Heating & Air | Clayton | — | — | 18 | Limited |
| Jones Plumbing Company | Clayton | — | — | 12 | Limited |
| Xtreme Plumbing Co. | Selma | — | — | 13 | Limited |
| Barnes Plumbing Inc. | Angier | — | — | 11 | Limited |
| Casey Services HVAC, Inc. | Wake Forest | — | — | 20 | Limited |
| Cocoa Beach Plumbing, Inc. | Dunn | — | — | 10 | Limited |
| Guild Masters Plumbing LLC | Four Oaks | — | — | 9 | Limited |
| Bloom Plumbing LLC | Smithfield | — | — | 11 | Limited |
| Economy Heat & Air (dba) | Apex | — | — | 15 | Limited |
| Swift Brothers Plumbing, Heating & Air, LLC | Raleigh | — | — | 17 | Limited |
| Precise Plumbing & Consulting, LLC | Wake Forest | — | — | 11 | Limited |
| EDH Plumbing Services, LLC | Clayton | — | — | 10 | Limited |
| Aqua Pro Plumbing LLC | Wake Forest | — | — | 9 | Limited |
| Eddie Clifton's Plumbing | Clayton | — | — | 12 | Limited |
| Pope Landscape & Irrigation Company | Garner | — | — | 11 | Limited |
| Andy's Plumbing | SMITHFIELD | — | — | 10 | Limited |
| Brady Plumbing, Inc. | Zebulon | — | — | 12 | Limited |
| Cornerstone Plumbing Solutions LLC | Wake Forest | — | — | 8 | Limited |
| Dotson's Plumbing (dba) | Cameron | — | — | 9 | Limited |
| Olive's Plumbing & Backflow Service, Inc. | FOUR OAKS | — | — | 10 | Limited |
| Mr. Rooter Plumbing of Durham North (dba) | Apex | — | — | 8 | Limited |
| E.R. Plumbing LLC | Knightdale | — | — | 9 | Limited |
| Earnhardt Plumbing, LLC | Raleigh | — | — | 12 | Limited |
| Drain Magic Inc. | Raleigh | — | — | 10 | Limited |
| Peak Solutions Heating & Plumbing LLC | Raleigh | — | — | 12 | Limited |