| Business | Phone |
| Aks Engineering & Forestry Llc 12011 Ne 99th St 1530, Vancouver 98682 | (360) 882-0419 |
| Bruce Mc Collum 16016 Ne 43rd St, Vancouver 98682 | (360) 693-9158 |
| Efficere Technologies 11012 Ne 39th St C6, Vancouver 98682 | (360) 256-5525 |
| Stebbins Engineering 4707 Ne Minnehaha St, Vancouver 98661 | (360) 418-0055 |
| Umd Technology Inc 1499 Se Tech Center Pl 140, Vancouver 98683 | (360) 433-6230 |