| Business | Phone |
| Associated Mechanical & Elec 2414 Wallace Ave, Spartanburg 29302 | (864) 582-3556 |
| Atlas Mechanical 115 Belton Dr # A, Spartanburg 29301 | (864) 595-9308 |
| Clarkson/Mid-Atlantic Inc 5010 College Dr, Spartanburg 29303 | (864) 574-3270 |
| Keller & Son Inc 8185 Valley Falls Rd, Spartanburg 29303 | (864) 503-8800 |
| Ksa 190 Baby Rd, Spartanburg 29303 | (864) 503-8800 |
| Mc Carter Mechanical Inc 685 John Dodd Rd, Spartanburg 29303 | (864) 599-7883 |
| Piedmont Mechanical Inc 116 John Dodd Rd, Spartanburg 29303 | (864) 578-9114 |