| Business | Phone |
| Arcadis Geraghty & Miller Inc 11411 Ne 124th St 270, Kirkland 98034 | (425) 821-2100 |
| Associated Earth Sciences Inc 911 5th Ave 100, Kirkland 98033 | (425) 827-7701 |
| Audubon Society East Lake 308 4th Ave S, Kirkland 98033 | (425) 576-8805 |
| Dalton Olmstead & Fuglevand 10827 Ne 68th St B, Kirkland 98033 | (425) 827-4588 |
| Darthia Environmental Kirkland 98034 | (425) 820-1739 |
| Efi Group 11241 Slater Ave Ne, Kirkland 98033 | (425) 828-7592 |
| Evergreen Aquatic Resource 4020 Lake Washington Blvd Ne, Kirkland 98033 | (425) 576-0333 |