| Business | Phone |
| Atlantic Coast Mechanical 7292 Peppermill Pkwy, North Charleston 29418 | (843) 767-2700 |
| B & W Mechanical Contractors 7318 Rab Rd, North Charleston 29406 | (843) 824-8526 |
| Cullum Constructors Inc 3325 Pacific St, North Charleston 29418 | (843) 554-6645 |
| Thompson Industrial Svc 6550 Ward Ave, North Charleston 29406 | (843) 569-3441 |