| Business | Phone |
| Advanced Fabrication Tech 31154 San Benito St, Hayward 94544 | (510) 489-6218 |
| Custom-Bilt Metals 23521 Connecticut St, Hayward 94545 | (510) 670-0330 |
| Industrial Plant Engineering 28435 Century St, Hayward 94545 | (510) 785-9717 |
| M & L Metals 21087 Cabot Blvd # 1, Hayward 94545 | (510) 732-1745 |
| Metal Specialist 25589 Seaboard Ln, Hayward 94545 | (510) 782-2225 |
| Ras-Co Manufacturer Co 413 W Sunset Blvd, Hayward 94541 | (510) 782-3161 |
| General Metal Fabrication 20275 Mack St, Hayward 94545 | (510) 783-2888 |
| Tnb Enterprises 26563 Corporate Ave, Hayward 94545 | (510) 732-6400 |
| U S Fabrications 1841 National Ave, Hayward 94545 | (510) 784-3094 |
| United Precision Inc 1209 San Luis Obispo St, Hayward 94544 | (510) 477-6877 |