| Business | Phone |
| Karr-Lyle Insulation Inc 1027 Campbell Ave Se, Roanoke 24013 | (540) 345-2032 |
| Kent's Insulating 5454 Aerospace Rd, Roanoke 24014 | (540) 427-4907 |
| Kent's Insulation Co 4053 Aerospace Rd, Roanoke 24014 | (540) 427-3223 |
| Kirby-Vass Insulation Inc 1129 Shenandoah Ave Nw, Roanoke 24017 | (540) 342-6795 |
| Old Dominion Insulation 10 Church Ave Se, Roanoke 24011 | (540) 344-1916 |
| Performance Contractors Inc 3022 Wentworth Ave Nw, Roanoke 24012 | (540) 265-5480 |
| Southern Comfort Insulating Co 621 Tazewell Ave Se, Roanoke 24013 | (540) 982-6873 |
| Walker Insulation Co Inc 2730 Johnson Ave Nw, Roanoke 24017 | (540) 345-0519 |