| Atlantic Electric, LLC | Lee Richardson | 843-460-1204 | LRichardson@AtlanticElectric.com |
| Blanchard Machinery / Blanchard Power Systems | Sara Cox | 843-871-2001 | sbcox@blanchardmachinery.com |
| Border States Electric | Richard Dawkins | 843) 879-0232 | Rdawkins@borderstates.com |
| Carolina Air & Water Balancing Company | Chris Goff | 803-776-0568 | admin@cawbi.com |
| Carolina Filters, Inc | Coles Dwight | 803-773-6842 | coles@carolinafilters.com |
| Carolina Insulation Contrators, Inc | Donald Ward | 843-669-1228 | don@cicfirestop.com |
| Cayce Company, Inc | Ronnie Douglas | 843-669-1816 | ronniedouglas@caycecompany.com |
| CED - Florence | BJ Hackman | 843-292-8787 | bj@cedflorence.com |
| City Plumbing Company of Florence, Inc | Richard Miller, Jr | 843-662-2365 | Cityplumbingcompany@gmail.com |
| Cregger Company, Inc-Conway | John Rutledge | 843-267-0062 | johnrutledge@creggercompany.com |
| Cullum Mechanical Construction, Inc | Chris Cullum | 843-554-6645 | cullumc@culluminc.com |
| Eastern Industrial Supplies, Inc - Florence | Mike Scaturro | 843-629-0095 | michael.scaturro@easternfirst.com |
| Ferguson Enterprises, Inc. - Florence | Mark Adams | (843) 662-5241 | mark.adams2@ferguson.com |
| Larymore Electric | Trey Larymore | 843-858-6168 | |
| Lubrizol | W. Sean Barr | 843-408-2519 | sean.barr@lubrizol.com |
| Mechanical Contractors Association | Varity Poston | (803) 772-7834 | vposton@mcasc.com |
| R C Jacobs, Inc | Duwayne Jacobs | 843-833-1238 | duwayne@rcjacobs.com |
| Therma Tech Services | Diedrich Schweers | (843) 813-6329 | thermatechservices@outlook.com |
| Triad Mechanical Contractors, Inc | Ryan Laquiere | (843) 556-5636 | ryan@triadmc.com |
| United Rentals, Inc. | Derek Eager | (843) 481-3528 | deager@ur.com |
| Walkup Electrical Construction, LLC | Tommy Walkup | (843) 495-0748 | tawalkup@sc.rr.com |