| Business | Phone |
| Foundry Interactive 4444 Woodland Park Ave N #212, Seattle 98103 | (206) 925-9000 |
| pageSpike 14900 Interurban Ave S Suite 271, Seattle 98168 | (206) 898-9380 |
| Musson Media Consulting 93 S Jackson St, Suite 88210, Seattle 98104 | (425) 387-5050 |
| Search Engine Optimist 4000 Aurora Avenue North, Seattle 98103 | (206) 653-2911 |