| Adams Insurance Company | Lodema Adams | 843-200-4806 | lodema@adamsinsuranceco.com |
| Atlantic Electric, LLC | Lee Richardson | 843-460-1204 | LRichardson@AtlanticElectric.com |
| Bear Mechanical Servies, LLC | Fred Gibbs | 803-252-9226 | fgibbs@bearmechanical.com |
| Blanchard Machinery / Blanchard Power Systems | Sara Cox | 843-871-2001 | sbcox@blanchardmachinery.com |
| C R Hipp Construction, Inc | Pete Bailey | 843-744-4477 | pete.bailey@crhippconstruction.com |
| Capital Electric | Michael R. Clifton | (843) 693-1000 | micheal.clifton@vallen.com |
| Carolina Construction Solutions dba CCS Constructi | Matt Telmanik | 843-870-1949 | matt@staffccs.com |
| Chapman Company | Randy Jones | 704-543-9140 | rjones@chapman-jhj.com |
| City Electric Supply | Robert Haney | 843-266-2061 | rhaney@ces-us.net |
| Cullum Mechanical Construction, Inc | Chris Cullum | 843-554-6645 | cullumc@culluminc.com |
| Eastern Industrial Supplies, Inc - Hanahan | Chris Wallace | 843-735-5810 | chris.wallace@easternfirst.com |
| Eck Supply Company | Charles Smith | 843-554-9701 | chsmith@ecksupply.com |
| Ferguson Enterprises, Inc - Plumbing Div - N Charl | Michael Hunter | 843-747-6301 | michael.hunter@ferguson.com |
| Ferira Ainsworth & Company, LLC | Joseph Ferira, Jr. | 843-722-7676 | joe.ferira@contractorcpa.net |
| Feyen Zylstra | Randy Lail | 843-872-9075 | randyl@fzcorp.com |
| Gatch Electrical Contractors, Inc. | Jimmy Gatch | 843-573-0700 | jgatch@gatchelectrical.com |
| Graybar Electric Company, Inc. | Cole Doolittle | 843-207-2700 | cole.doolittle@graybar.com |
| HR Allen, Inc. | Rod Allen | 843-747-4100 | rod.allen@hrallen.com |
| Mayer Electric Supply/Maddux Supply Company | John Leland | 843-747-8714 | jleland@mayerelectric.com |
| Mechaical Contractors Association | Mona Flowers | (803) 772-7834 | MFlowers@MCASCcom |
| Metro Electric Company, Inc | Mike Gunther | 843-554-0621 | mgunther@metroelectriccoinc.com |
| Morelli Heating & Air, Inc | Anthony Morelli | 843-554-8600 | tonymo@morelli-heat-ac.com |
| NextGen Technologies, Inc. | Rusty Webb | 843-871-8531 | rusty@nextgenusa.com |
| Old Dominion Insulation | Matt Sasiene | 843-729-8465 | msasiene@odins.com |
| Premier Electrical Staffing, LLC | Varity Poston | 843-767-3838 | varity.poston@pes123.com |
| Scaffolding Solutions, LLC | Brian Lish | 704-956-1483 | blish@scaffoldingsolutions.com |
| Shealy Electrical Wholesalers, Inc | Casey Getz | 843-763-6525 | cgetz@shealyelectrical.com |
| Sunbelt Rentals, Inc. | Andy Pickett | 843 296-3787 | Andrew.pickett@sunbeltrentals.com |
| Transworld, Inc | Jim Ritter | 843-577-3491 | jim@transworldincelectric.com |
| Triad Mechanical Contractors, Inc | Brad White | 843-556-5636 | bwhite@triadmc.com |
| United Rentals, Inc - N Charleston | Jamie Smith | 843-747-0471 | jamsmith@ur.com |
| Victaulic | Adam Birchenough | 803-260-8805 | adam.birchenough@victaulic.com |
| Zurn Industries | Joel Marmion | 984-500-6098 | Joel.marmion@zurn.com |