| Table ID No. | MCAG | Legal Name | Entity Name | Government Description |
| 1426 | 1536 | East Columbia Basin Irrigation District | East Columbia Basin Irrigation District | Irrigation and Reclamation District |
| 1579 | 0313 | East County Park and Recreation District | East County Park and Recreation District | Park and Recreation District |
| 2192 | 0649 | East King County Regional Water Association | East King County Regional Water Association | Water/Sewer District |
| 2193 | 2315 | East Spokane Water District No. 1 | East Spokane Water District No 1 | Water/Sewer District |
| 1857 | 2049 | East Valley School District No. 361 | East Valley School District No 361 | School Districts |
| 1858 | 2107 | East Valley School District No. 90 | East Valley School District No 90 | School Districts |
| 2194 | 2199 | East Wenatchee Water District | East Wenatchee Water District | Water/Sewer District |
| 288 | 0276 | City of East Wenatchee | East Wenatchee, City of | City/Town |
| 569 | 2409 | Eastern Klickitat Conservation District | Eastern Klickitat Conservation District | Conservation District |
| 1387 | 0631 | Eastern Washington School Districts Insurance Group | Eastern Washington School Districts Insurance Group | Insurance Pool/Risk Management |
| 22 | S395 | Eastern Washington State Historical Society | Eastern Washington State Historical Society | Agency, Commission, or Board |
| 2124 | S370 | Eastern Washington University | Eastern Washington University | University or College |
| 1580 | 2768 | Eastmont Recreation Service Area | Eastmont Recreation Service Area | Park and Recreation District |
| 1859 | 1857 | Eastmont School District No. 206 | Eastmont School District No 206 | School Districts |
| 1860 | 1930 | Easton School District No. 28 | Easton School District No 28 | School Districts |
| 914 | 1291 | Eastside Fire & Rescue | Eastside Fire & Rescue | Fire Protection District |
| 1427 | 1606 | Eastside Irrigation District No. 6 | Eastside Irrigation District No 6 | Irrigation and Reclamation District |
| 1494 | 2745 | Eastside Public Safety Communications Agency | Eastside Public Safety Communications Agency | Joint Operating Agency |
| 2195 | 2302 | Eastsound Sewer and Water District | Eastsound Sewer and Water District | Water/Sewer District |
| 1861 | 2006 | Eatonville School District No. 404 | Eatonville School District No 404 | School Districts |
| 289 | 0578 | Town of Eatonville | Eatonville, Town of | City/Town |
| 1705 | 0835 | Ebey's Landing National Historic Reserve | Ebeys Landing National Historic Reserve | Private Nonprofit Corporation |
| 23 | S461 | Department of Ecology | Ecology, Department of | Agency, Commission, or Board |
| 798 | 0569 | Economic Development Corporation of Pierce County | Economic Development Corporation of Pierce County | Economic/Industrial Development |
| 24 | S106 | Washington Economic Development Finance Authority | Economic Development Finance Authority, Washington | Agency, Commission, or Board |
| 290 | 1111 | City of Edgewood | Edgewood, City of | City/Town |
| 540 | S610 | Edmonds Community College | Edmonds Community College | Community or Technical College |
| 1742 | 2764 | Edmonds Public Facility District | Edmonds Public Facility District | Public Facilities Districts |
| 1862 | 2029 | Edmonds School District No. 15 | Edmonds School District No 15 | School Districts |
| 291 | 0661 | City of Edmonds | Edmonds, City of | City/Town |
| 1633 | 1759 | Port of Edmonds | Edmonds, Port of | Port District (Includes Airports) |
| 25 | S345 | State Board of Education | Education, State Board of | Agency, Commission, or Board |
| 820 | 2640 | Educational Service District No. 101 | Educational Service District No 101 | Educational Service District (ESD) |
| 821 | 2641 | Educational Service District No. 105 | Educational Service District No 105 | Educational Service District (ESD) |
| 822 | 2643 | Educational Service District No. 112 | Educational Service District No 112 | Educational Service District (ESD) |
| 823 | 2644 | Educational Service District No. 113 | Educational Service District No 113 | Educational Service District (ESD) |
| 824 | 2647 | Educational Service District No. 123 | Educational Service District No 123 | Educational Service District (ESD) |
| 825 | 0708 | Educational Service District No. 189 Unemployment Compensation Pool | Educational Service District No 189 Unemployment Compensation Pool | Educational Service District (ESD) |
| 514 | S514 | Washington State Egg Commission | Egg Commission, Washington State | Commodity Commissions |
| 2196 | 0307 | Eklund Park Sewer District | Eklund Park Sewer District | Water/Sewer District |
| 2197 | 2301 | Elbe Water and Sewer District | Elbe Water and Sewer District | Water/Sewer District |
| 2198 | 2271 | Eldorado Water District | Eldorado Water District | Water/Sewer District |
| 292 | 0302 | Town of Electric City | Electric City, Town of | City/Town |
| 1634 | 1739 | Port of Elgon | Elgon, Port of | Port District (Includes Airports) |
| 2199 | 1151 | Elkhorn Water District | Elkhorn Water District | Water/Sewer District |
| 799 | 1149 | Ellensburg Business Development Authority | Ellensburg Business Development Authority | Economic/Industrial Development |
| 1863 | 1932 | Ellensburg School District No. 401 | Ellensburg School District No 401 | School Districts |
| 293 | 0465 | City of Ellensburg | Ellensburg, City of | City/Town |
| 1864 | 1887 | Elma School District No. 68 | Elma School District No 68 | School Districts |
| 294 | 0338 | City of Elma | Elma, City of | City/Town |
| 295 | 0527 | Town of Elmer City | Elmer City, Town of | City/Town |
| 833 | 0731 | Emergency Dispatch Center | Emergency Dispatch Center | Emergency Management Services |
| 834 | 0183 | Emergency Medical Services and Trauma Council | Emergency Medical Services and Trauma Council | Emergency Management Services |
| 835 | 1108 | Emergency Services Coordinating Agency | Emergency Services Coordinating Agency | Emergency Management Services |
| 836 | 0432 | Emergency Services Council | Emergency Services Council | Emergency Management Services |
| 26 | S540 | Employment Security Department | Employment Security Department | Agency, Commission, or Board |
| 1865 | 2100 | Endicott School District No. 308 | Endicott School District No 308 | School Districts |
| 296 | 0804 | Town of Endicott | Endicott, Town of | City/Town |
| 1495 | 2661 | Energy Northwest | Energy Northwest | Joint Operating Agency |
| 1428 | 1548 | Entiat Irrigation District | Entiat Irrigation District | Irrigation and Reclamation District |
| 1866 | 1824 | Entiat School District No. 127 | Entiat School District No 127 | School Districts |
| 297 | 0220 | Town of Entiat | Entiat, Town of | City/Town |
| 1867 | 1907 | Enumclaw School District No. 216 | Enumclaw School District No 216 | School Districts |
| 298 | 0393 | City of Enumclaw | Enumclaw, City of | City/Town |
| 27 | S468 | Environmental Hearings Office | Environmental Hearings Office | Agency, Commission, or Board |
| 1868 | 1879 | Ephrata School District No. 165 | Ephrata School District No 165 | School Districts |
| 299 | 0304 | City of Ephrata | Ephrata, City of | City/Town |
| 1869 | 1947 | Evaline School District No. 36 | Evaline School District No 36 | School Districts |
| 541 | S605 | Everett Community College | Everett Community College | Community or Technical College |
| 1348 | 1517 | Housing Authority of the City of Everett | Everett Housing Authority | Housing Authority |
| 800 | 0974 | City of Everett Industrial Development Corporation | Everett Industrial Development Corporation | Economic/Industrial Development |
| 801 | 0536 | Port of Everett Industrial Development Corporation | Everett Industrial Development Corporation, Port of | Economic/Industrial Development |
| 1743 | 2763 | Everett Public Facilities District | Everett Public Facilities District | Public Facilities Districts |
| 1870 | 2025 | Everett School District No. 2 | Everett Public Schools | School Districts |
| 300 | 0664 | City of Everett | Everett, City of | City/Town |
| 1635 | 1760 | Port of Everett | Everett, Port of | Port District (Includes Airports) |
| 1871 | 1841 | Evergreen School District No. 114 | Evergreen School District No 114 | School Districts |
| 1872 | 2061 | Evergreen School District No. 205 | Evergreen School District No 205 | School Districts |
| 2125 | S376 | The Evergreen State College | Evergreen State College, The | University or College |
| 301 | 0784 | City of Everson | Everson, City of | City/Town |