| Business | Phone |
| A-1 Roofing & Waterproofing Ontario 91761 | (909) 390-3100 |
| All-Right Roofing Ontario 91762 | (909) 984-2671 |
| Bzb Construction Co 1000 W 4th St # 338, Ontario 91762 | (909) 621-7446 |
| C-N-J Roofing 1521 W Vesta St, Ontario 91762 | (909) 983-4485 |
| Competition Roofing Ontario 91761 | (909) 226-6722 |
| David Lee White Roofing Co 1408 Brooks St, Ontario 91762 | (909) 984-6913 |
| Hull & Sons Roofing Co Ontario 91762 | (909) 983-0059 |
| R B Roofing 932 W J St, Ontario 91762 | (909) 717-6797 |
| Rice Roof Co 230 E Transit St, Ontario 91761 | (909) 988-7603 |
| Roofing Excellence 615 W Hawthorne St, Ontario 91762 | (909) 983-4711 |
| Smart Roofing 945 W La Deney Dr, Ontario 91762 | (909) 986-8770 |
| Storm Proof Roofing 1411 N Pleasant Ave, Ontario 91764 | (909) 391-6391 |
| Virgin Roof Co Ontario 91762 | (909) 984-1668 |
| W H Byars Roofing Co 202 S Bon View Ave, Ontario 91761 | (909) 986-0509 |