| Business | Phone |
| Altos Engineering 1725 S Bascom Ave, Campbell 95008 | (408) 369-9130 |
| Axiom Engineers Inc 300 Orchard City Dr, Campbell 95008 | (408) 341-1645 |
| M S Engineering 2105 S Bascom Ave # 260, Campbell 95008 | (408) 377-6504 |
| Pollak Engineering Co 3001 Winchester Blvd, Campbell 95008 | (408) 866-6623 |