| Business | Phone |
| Aar Testing Labs Inc 7126 180th Ave Ne C101, Redmond 98052 | (425) 881-5812 |
| Am Test Inc 14603 Ne 87th St, Redmond 98052 | (425) 885-1664 |
| Ever Green Nematode Testing 6511 206th Pl Ne, Redmond 98053 | (425) 836-5452 |
| Microlab Northwest 7609 140th Pl Ne, Redmond 98052 | (425) 885-9419 |
| On-Site Calibration Svc 4016 148th Ave Ne, Redmond 98052 | (425) 883-7880 |
| Pacific Inspection Research 4074 148th Ave Ne, Redmond 98052 | (425) 881-7668 |
| Performance Testing Inc Redmond 98052 | (425) 883-9788 |
| Simco Electronics 14824 Ne 31st Cir, Redmond 98052 | (425) 885-6969 |