| Business | Phone |
| Bayfab Metals Inc 870 Doolittle Dr, San Leandro 94577 | (510) 568-8950 |
| Diversified Metal Fab 2976 Teagarden St, San Leandro 94577 | (510) 667-9900 |
| Fagerroos Engineering Inc 554 Harlan St, San Leandro 94577 | (510) 357-6884 |
| Lyru Engineering & Manufacturer 965 San Leandro Blvd, San Leandro 94577 | (510) 357-5951 |
| M-T Metal Fabrication 536 Lewelling Blvd # A, San Leandro 94579 | (510) 357-5262 |
| Roy-Ol Industries 2787 Teagarden St, San Leandro 94577 | (510) 351-0300 |
| Van-Mulder Sheet Metal Inc 1501 Doolittle Dr # J, San Leandro 94577 | (510) 569-9123 |