| Business | Phone |
| Aero-Plastics Inc 903 Houser Way N, Renton 98057 | (425) 226-3400 |
| Aerodyne Manufacturing & Dev 320 Maple Ave Nw, Renton 98055 | (425) 883-1099 |
| Beacon Machine Inc 420 Olympia Ave Ne, Renton 98056 | (425) 226-8460 |
| J & M Machine 1703 Ne 43rd St, Renton 98056 | (425) 204-0848 |
| Mechanism Machine Shop 430 Olympia Ave Ne, Renton 98056 | (425) 255-1001 |
| Pen-Ent 61 Shattuck Ave S, Renton 98057 | (425) 793-4310 |
| Lorraines's Deburr & Assembly 15130 Se 107th St, Renton 98059 | (425) 235-0099 |
| Valley Machine Shop 12221 164th Ave Se, Renton 98059 | (425) 226-5040 |