| Business | Phone |
| Diamond Roofing 1636 Fox Glen Dr, Diamond Bar 91765 | (909) 861-7663 |
| Aaapex Roofing 23441 Golden Springs Dr # 409, Diamond Bar 91765 | (909) 720-7170 |
| Carter Roofing 22805 Dry Creek Rd, Diamond Bar 91765 | (909) 860-9991 |
| Coast Roofing Diamond Bar 91765 | (909) 396-1436 |
| Kertland Roofing Inc Po Box 5107, Diamond Bar 91765 | (909) 622-6927 |
| Sunshine Roofing 516 N Diamond Bar Blvd # 183, Diamond Bar 91765 | (909) 861-6037 |
| S Coast Roofing Construction 22610 Hickory Nut Ln, Diamond Bar 91765 | (909) 396-1125 |