| Donald DeMers Investigations | (360) 792-6982 | Kitsap, Pierce, Jefferson, Thurston, King | 98310 | See Details | WA |
 | GC Process | (206) 388-9972 | Snohomish, King, Pierce, Thurston | 98102 | See Details | WA |
 | Judicial Express Delivery LLC | (509) 301-6249 | Walla Walla, Franklin, Benton, Columbia | 99362 | See Details | WA |
 | Big Bear Services, LLC | 425-890-4649 | Snohomish, King, Skagit | 98020 | See Details | WA |
| Puget Sound Process Service™ | (425) 239-8145 | Snohomish, Skagit, Island | 98206 | See Details | WA |
 | Clearview Legal Services | (206) 751-9210 | King, Snohomish, Pierce, Thurston | 98102 | See Details | WA |
| Kinnetik Legal Services | (970) 376-1906 | King, Snohomish | 98117 | See Details | WA |
| Gary's Process Service, Inc. | (425) 277-0302 | King, Pierce, Snohomish | 98057 | See Details | WA |
 | Eastern Washington Attorney Services | (509) 327-7018 | Pend Oreille, Whitman, Stevens, Lincoln, Spokane | 99201 | See Details | WA |
| Showers Private Investigation Agency, LLC | (425) 492-4961 | King, Snohomish | 98012 | See Details | WA |
| Madigan Security Consulting & Investigations, Inc. | (206) 542-1640 | King, Snohomish, Pierce, Skagit, Whatcom, Thurston, Island, Kitsap, Spokane,
| 98020 | See Details | WA |
| Brooks Investigations LLC | (509) 669-0096 | Washington | 98807 | See Details | WA |
| BVM Process | (360) 927-5988 | Kitsap, Mason, Pierce, West of the Tacoma Narrows Bridge | 98366 | See Details | WA |
| Greyhound Legal.com | (206) 347-3522 | Pierce, King, Thurston, Kitsap, Lewis, Skagit, Snohomish | 98499 | See Details | WA |
| Jolliffe Investigations | (442) 242-4541 | San Bernardino | 92308 | See Details | WA |
 | Seattle Messenger Cooperative | (206) 250-6349 | King, Snohomish, Skagit, Pierce, Thurston, Kitsap | 98101 | See Details | WA |
| Jean Morgan | (661) 331-0295 | Kern, Tulare | 93312 | See Details | WA |
| Seattle Legal Messenger Services | (800) 555-6650 | King, Pierce, Snohomish, Thurston, Whatcom; State of WASHINGTO | 98406 | See Details | WA |
 | Tracked N Solved Investigation Agency | 1-866-437-4087 | Nez perce county Idaho, Bonneville county Idaho, bannock county Idaho, Madison county Idaho, Bingham county Idaho, asotin county Washington, Garfield county Washington, Grant county Washington, kittitas county Washington, Mesa county Colorado, Montrose county Colorado, Garfield county Colorado. El Paso County Colorado(Colorado Springs, Colorado) | 83501 | See Details | CO, ID, WA |
| Alliance Process Serving | (208) 416-9856 | Kootenai, Spokane | 99205 | See Details | WA |
 | WA Pro Se | | Snohomish, King, Island, Kitsap | 98020 | See Details | WA |
| Eclipse Process Service, LLC | (206) 418-6200 | King, Pierce, Snohomish, Thurston, Skagit, Lewis, Kitsap | 98198 | See Details | WA |
| Express Process Service, LLC | (206) 334-6864 | Nationwide | 98036 | See Details | WA |
| Gopher LLC dba SpokaneLegalServices.com | (509) 818-7842 | WA: Spokane, Lincoln, Adams, Whitman, Stevens, Pend Oreille, Ferry, Okanogan, Douglas; ID: Kootenai,
Bonner, Boundary, Benewah, Lata | 99201 | See Details | WA |
 | Nationwide Process Service, Inc. | (503) 241-0636 | OREGON: Multnomah, Washington Clackamas, Marion, Columbia, Yamhill; WASHINGTON: Clar | 98660 | See Details | WA |
 | ECP Process Service | (360) 239-1770 | Pierce, Kitsap, Thurston, Lewis, Mason, Grays Harbor, Clark, Cowlit | 98541 | See Details | WA |
 | Olympic Service Pros | (360) 477-3232 | Clallam | 98362 | See Details | WA |
 | Paper Monkey Legal Services | (509) 339-9881 | Washington: Adams, Asotin, Benton, Chelan, Columbia, Douglas, Ferry, Franklin, Garfield,
Grant, Kittitas, Klickitat, Lincoln, Okanogan, Pend-Oreille, Spokane, Stevens,
Walla Walla, Whitman, Yakima Idaho: Benewah, Bonner, Boundary, Clearwater, Idaho,,
| 99161 | See Details | WA |
| Rock Solid Legal Support, Inc. | (253) 682-1230 | Pierce, King, Thurston, Kitsap | 98418 | See Details | WA |
 | Critical Services | (425) 314-5755 | Snohomish, Skagit, Island, Jefferson, Kitsap, Clallam | 98223 | See Details | WA |
 | Titanium Legal Services, Inc. | (541) 313-6125 | Snohomish, King, Pierce, State of WASHINGTON | 98012 | See Details | WA |
 | Pronto Process | (509) 547-1122 | Benton, Franklin, Walla Walla | 99336 | See Details | WA |
 | Resilient Process Servers, LLC | (206) 400-7754 | Pierce, King, Thurston, Snohomish | 98121 | See Details | WA |
| Bakersfield Process | (661) 489-3369 | Kern | 93301 | See Details | WA |
 | Premier Investigations, LLC | (509) 438-0361 | Benton | 99352 | See Details | WA |
 | Legal Couriers Yakima | (509) 453-1134 | Yakima, Kittitas | 98907 | See Details | WA |
| Hitz Legal Services | (360) 441-8138 | King, Snohomish | 98034 | See Details | WA |
| 123EZLEGAL LLC | (423) 504-1189 | Jefferson, San Juan, Whatcom, Island | 98277 | See Details | WA |
 | Tracked N Solved Investigation Agency | 1-866-437-4087 | Nez perce county Idaho, Bonneville county Idaho, bannock county Idaho, Madison county Idaho, Bingham county Idaho, asotin county Washington, Garfield county Washington, Grant county Washington, kittitas county Washington, Mesa county Colorado, Montrose county Colorado, Garfield county Colorado. El Paso County Colorado(Colorado Springs, Colorado) | 83501 | See Details | CO, ID, WA |
 | Harper & Associates LLC | (270) 551-5160 | Warren, Allen, Simpson, Logan, Butler, Edmonson, Barren, Hart, Todd, | 42103 | See Details | WA |
| Process Service, LLC | (206) 334-6864 | Nationwide | 98036 | See Details | WA |
 | Sting Ray Legal Services, Inc. | (253) 358-6770 | King, Pierce, Snohomish, Skagit, Kitsap, Whatcom, Thurston, Lewis, Grays Harbor,
Cowlitz, Island, Clark, Island, Jefferson, Clalla | 98372 | See Details | WA |
 | Anthem Professional Process Service | (360) 474-7407 | Kitsap, Mason, Jefferson, Clallam | 98346 | See Details | WA |
| Amedeo Solutions Premier Process Servers | (509) 986-1498 | Benton, Franklin | 99336 | See Details | WA |
| Walker Legal Process Service | 509-710-7727 | Spokane
Lincoln
Pend Oreille
Stevens
Whitman
| 99016 | See Details | ID, WA |
| Getem Process Servers | (626) 399-4996 | Los Angeles, Orange | 91006 | See Details | WA |
 | Griffin Process | (253) 226-0185 | King, Pierce, Thurston | 98059 | See Details | WA |
| Integrity Process Services | (206) 480-8574 | King, Snohomish, Pierce | 98125 | See Details | WA |
 | Skyway Process Services | (509) 800-7597 | King | 98166 | See Details | WA |
 | Valley Serve Co. | 3606314458 | Skagit, Whatcom, Snohomish, Island, and San Juan counties | 98284 | See Details | WA |
| Speedy Services, LLC | 253-228-0014 | Pierce, King | 989391 | See Details | WA |
| Washington Court Services | (253) 474-0879 | Pierce, Kitsap, King, Thurston | 98409 | See Details | WA |
| Kathryn Fisher | (530) 394-8193 | Walla Walla, Columbia, Garfield, Franklin, Asotin, Benton | 99362 | See Details | WA |
| Leet, Jeffrey R. | (859) 618-2799 | State of Kentucky | 40517 | See Details | WA |
| Willapa Paper Service | (360) 942-5580 | Pacific, Grays Harbor | 98577 | See Details | WA |
| Dowell, Amiee | (509) 679-2913 | Benton, Yakima, Franklin, Grant, Chelan, Douglas, Grant | 99352 | See Details | WA |
| Rooster Legal Services, LLC | (509) 742-0151 | Washington: Adams, Ferry, Grant, Lincoln, Pend Oreille, Spokane, Stevens, Whitman; Idaho: Benewah, Bonner,
Boundary, Kootenai, Latah | 99173 | See Details | WA |