| Business | Phone |
| Advantage Machine & Engineer 2043 Ponderosa St, Portsmouth 23701 | (757) 488-5085 |
| Collins Machine Works 2707 Syer Rd, Portsmouth 23707 | (757) 399-7777 |
| Cylinder Head Factory 2618 Airline Blvd, Portsmouth 23701 | (757) 465-5260 |
| Doug's Machine Shop 809 High St, Portsmouth 23704 | (757) 393-4052 |
| Highstar Industrial Tchnlgs 500 Port Centre Pkwy, Portsmouth 23704 | (757) 398-9300 |
| Performance Metal Fabricators 3901 Alexander St, Portsmouth 23701 | (757) 465-8622 |
| Portsmouth Machine & Welding 2304 Turnpike Rd, Portsmouth 23704 | (757) 393-4017 |