| Business | Phone |
| American Plumbing Partsmaster 1058 E Acacia St, Ontario 91761 | (909) 930-1628 |
| Barnett Brass & Copper Co Inc 1570 S Archibald Ave, Ontario 91761 | (909) 937-2688 |
| Better Co 2060 E Locust Ct, Ontario 91761 | (909) 947-9462 |
| Bradley Corp 5556 Ontario Mills Pkwy, Ontario 91764 | (909) 481-7255 |
| Ferguson Enterprises Inc 337 N Sacramento Ave, Ontario 91764 | (909) 390-4457 |
| Express Pipe & Supply Co 1175 Woodlawn St, Ontario 91761 | (909) 923-8177 |