| Business | Phone |
| 110 Atrium Place 701 5th Ave # 4000, Seattle 98104 | (425) 454-0490 |
| 1111 Third Avenue Building 1111 3rd Ave # 2230, Seattle 98101 | (206) 447-7747 |
| 1530 Building 1530 Westlake Ave N, Seattle 98109 | (206) 404-6700 |
| 2003 Western Inc 2003 Western Ave, Seattle 98121 | (206) 956-8221 |
| 5201 Building 7521 Bagley Ave N, Seattle 98103 | (206) 789-2155 |
| A E Doyle Building 119 Pine St 400, Seattle 98101 | (206) 262-1921 |
| Activ Space At Ballard 700 Nw 42nd St 117, Seattle 98107 | (206) 706-6606 |
| Activ Space At The Zoo 819 N 49th St 113, Seattle 98103 | (206) 632-6100 |
| Agc Marina 1200 Westlake Ave N 504, Seattle 98109 | (206) 284-4204 |
| Arboretum Professional Ctr 2910 E Madison St, Seattle 98112 | (206) 860-2410 |
| Ckm Assoc 2208 Nw Market St, Seattle 98107 | (206) 782-5891 |
| Belltown Lofts Hoa 66 Bell St, Seattle 98121 | (206) 728-5649 |
| Blanchard Plaza 2201 6th Ave 100, Seattle 98121 | (206) 728-2999 |
| Cascadia Region Green Bldg 1201 Alaskan Way, Seattle 98101 | (206) 223-2028 |
| Centerplex 331 Andover Park E, Seattle 98188 | (206) 575-1018 |
| Centerplex 6100 Southcenter Blvd, Seattle 98188 | (206) 246-9986 |
| Central Building 810 3rd Ave 238, Seattle 98104 | (206) 622-8285 |
| Denny Building 2200 6th Ave, Seattle 98121 | (206) 448-3488 |
| E J Nordstrom Medical Tower 1229 Madison St 690, Seattle 98104 | (206) 386-2400 |
| Equity Office 999 3rd Ave 1010, Seattle 98104 | (206) 264-8800 |
| Executive Business Ctr 4500 9th Ave Ne, Seattle 98105 | (206) 633-6033 |
| Unico Properties Inc 1215 4th Ave 600, Seattle 98161 | (206) 628-5050 |
| Fisher Industrial Park E Valley Hwy & S 228th Stamp;, Seattle 98109 | (206) 404-6700 |
| Fourth & Pike Building 1424 4th Ave, Seattle 98101 | (206) 622-8778 |
| Highland Plaza Corp 1110 N 175th St 222, Seattle 98133 | (206) 624-1743 |
| Right Rents 1201 3rd Ave 2740, Seattle 98101 | (206) 224-1201 |