| Business | Phone |
| Bay Area Plumbing Supply 2447 Industrial Pkwy W, Hayward 94545 | (510) 259-0200 |
| Cal-Steam 1595 Crocker Ave, Hayward 94544 | (510) 512-7700 |
| Ferguson Enterprises Inc 26999 Industrial Blvd, Hayward 94545 | (510) 782-9820 |
| Garey-White & Assoc 30852 San Antonio St, Hayward 94544 | (510) 357-7897 |
| Happ Supply Bathroom Prttns 27343 Industrial Blvd # J, Hayward 94545 | (510) 670-0444 |
| Slakey Brothers Inc 26534 Danti Ct, Hayward 94545 | (510) 264-9218 |
| Wilmar Industries Inc 26312 Corporate Ave, Hayward 94545 | (510) 259-0777 |