| Business | Phone |
| D A Gopp 7868 Silverton Ave # I, San Diego 92126 | (858) 621-8733 |
| Advanced Metal Forming Inc 2618 National Ave, San Diego 92113 | (619) 239-9437 |
| Products Unlimited 7965 Silverton Ave, San Diego 92126 | (858) 536-8242 |
| Mtw 1531 Rigel St, San Diego 92113 | (619) 236-9040 |
| Metro Welding 7725 Othello Ave, San Diego 92111 | (858) 565-6082 |