| Business | Phone |
| A 1 Quality 3428 Vane Ct # D, Charlotte 28206 | (704) 331-9294 |
| A-1 Quality Insulating 717 Atando Ave # E, Charlotte 28206 | (704) 535-0901 |
| Alpha Insulation Co 1897 S Interstate 85 Serv Rd, Charlotte 28208 | (704) 398-2300 |
| Mc Kee Insulating Co Inc 4613 Statesville Rd, Charlotte 28269 | (704) 597-0067 |
| Attic Tent By Eoe Inc 801 Pressley Rd, Charlotte 28217 | (704) 522-1111 |
| B-Organized Insulation 724 Montana Dr, Charlotte 28216 | (704) 395-0033 |
| Blown-Rite Insulation Inc 123 New Bern St, Charlotte 28203 | (704) 522-3551 |
| Unitherm Inc 8220 Wilkinson Blvd, Charlotte 28214 | (704) 391-7747 |
| Builder's Insulation 8706 Sidney Cir, Charlotte 28269 | (704) 599-0119 |
| Gale Insulation 9525 Monroe Rd # 100, Charlotte 28270 | (704) 845-3032 |
| Heritage Encon Group Inc 228 Westinghouse Blvd # 103, Charlotte 28273 | (704) 588-1366 |
| Insulating Services Inc 10709 Granite St # H, Charlotte 28273 | (704) 588-7814 |