| Business | Phone |
| Eagle Engine Sales 2527 W Winton Ave, Hayward 94545 | (510) 785-5084 |
| Economy Engine Sales 1942 National Ave, Hayward 94545 | (510) 785-9980 |
| Rob's Automotive Machine 27515 Industrial Blvd, Hayward 94545 | (510) 732-1909 |
| I'M Back Auto Machine Shop 629 Jefferson St, Hayward 94544 | (510) 889-9886 |