| Business | Phone |
| Mitsubishi Heavy Industries 1309 114th Ave Se, Bellevue 98004 | (425) 454-0353 |
| Rolls-Royce Corp 10500 Ne 8th St 850, Bellevue 98004 | (425) 451-8008 |
| Trw/Lucas Aerospace 500 108th Ave Ne, Bellevue 98004 | (425) 646-4919 |
| Pratt & Whitney Seattle 3633 136th Pl Se 310, Bellevue 98006 | (425) 450-3930 |
| Tmx Aerospace 5525 179th Ave Se, Bellevue 98006 | (425) 644-7801 |
| West Coast Specialties Inc 3290 146th Pl Se, Bellevue 98007 | (425) 283-0460 |