| Business | Phone |
| A Squared Technologies 870 Rancheros Dr, San Marcos 92069 | (760) 432-8285 |
| Scd Fabrication 143 N Pacific St # L, San Marcos 92069 | (760) 736-9370 |
| Demon Fabrication 169 Balboa St # B1, San Marcos 92069 | (760) 510-2700 |
| Diamond 2 Fabrication 1070 Commerce St, San Marcos 92078 | (760) 510-9577 |