| Business | Phone |
| Abs Pipe Inc 1051 Sperry Rd, Stockton 95206 | (209) 982-9500 |
| Cal-Sierra Pipe Inc 3033 S Highway 99, Stockton 95215 | (209) 466-0988 |
| Edward S Walsh Co Sales 3575 S El Dorado St, Stockton 95206 | (209) 983-1358 |
| Roy Richison 7311 Woodside Dr, Stockton 95207 | (209) 951-7504 |
| Western Piping Products 2245 W Charter Way, Stockton 95206 | (209) 337-0055 |