| Business | Phone |
| Airgas Of California & Nevada 30131 Industrial Pkwy Sw, Hayward 94544 | (510) 489-7050 |
| Nelson Stud Welding 23765 Foley St, Hayward 94545 | (510) 293-0660 |
| Praxair Distribution Inc 23133 Kidder St, Hayward 94545 | (510) 780-9306 |
| Stud Welding Products 2391 American Ave, Hayward 94545 | (650) 366-7883 |
| Westline Industries Inc 2381 American Ave, Hayward 94545 | (510) 865-1210 |