| Coast Electric Power Association | 501(c)(12) | Bay St Louis, MS | $205 million |
| Otero County Electric Cooperative (OCEC) | 501(c)(12) | Cloudcroft, NM | $33 million |
| Southwest Power Pool (SPP) | 501(c)(6) | Little Rock, AR | $200 million |
| Partners Cooperative | 501(c)(3) | Atlanta, GA | $43 million |
| Nreca International (NRECA) | 501(c)(3) | Arlington, VA | $17 million |
| Electric Reliability Council of Texas (ERCOT) | 501(c)(4) | Austin, TX | $244 million |
| ISO New England (ISO-NE) | 501(c)(3) | Holyoke, MA | $194 million |
| The Luckyday Foundation Trustmark National Bank Trustee (NRECA) | 501(c)(3) | Jackson, MS | $7.4 million |
| Open Door Center | 501(c)(3) | Valley City, ND | $15 million |
| Old Dominion Electric Cooperative | 501(c)(12) | Glen Allen, VA | $787 million |
| Wabash Valley Power Alliance (WVPA) | 501(c)(12) | Indianapolis, IN | $661 million |
| Withlacoochee River Electric Cooperative | 501(c)(12) | Dade City, FL | $484 million |
| Attn Brett Stovern | 501(c)(12) | Marietta, GA | $445 million |
| Sawnee Electric Membership Corporation | 501(c)(12) | Cumming, GA | $386 million |
| Georgia Transmission Corporation | 501(c)(12) | Tucker, GA | $322 million |
| Walton EMC | 501(c)(12) | Monroe, GA | $314 million |
| GreyStone Power Corporation | 501(c)(12) | Douglasville, GA | $305 million |
| The Intermountain Rural Electric Association | 501(c)(12) | Sedalia, CO | $302 million |
| Energyunited Electric Membership Corporation | 501(c)(12) | Statesville, NC | $288 million |
| Connexus Energy | 501(c)(12) | Ramsey, MN | $280 million |
| PNGC Power (PNGC) | 501(c)(12) | Portland, OR | $236 million |
| Dakota Electric Association | 501(c)(12) | Farmington, MN | $207 million |
| Snapping Shoals EMC | 501(c)(12) | Covington, GA | $200 million |
| Coweta-Fayette Emc | 501(c)(12) | Palmetto, GA | $183 million |
| Union Power Cooperative | 501(c)(12) | Monroe, NC | $170 million |
| San Miguel Electric Cooperative | 501(c)(12) | Jourdanton, TX | $155 million |
| Oklahoma Electric Cooperative (OEC) | 501(c)(12) | Norman, OK | $135 million |
| Cuivre River Electric Cooperative | 501(c)(12) | Troy, MO | $129 million |
| Medina Electric Cooperative Incorporated | 501(c)(12) | Hondo, TX | $128 million |
| York Electric Cooperative | 501(c)(12) | York, SC | $127 million |
| East Central Energy | 501(c)(12) | Braham, MN | $127 million |
| Carroll Electric Membership Corporation | 501(c)(12) | Carrollton, GA | $122 million |
| Central Georgia Electrical Membership Corporation | 501(c)(12) | Jackson, GA | $121 million |
| Mountain View Electric Association (MVEA) | 501(c)(12) | Limon, CO | $119 million |
| Wright-Hennepin Cooperative Electric Association | 501(c)(12) | Rockford, MN | $109 million |
| Karnes Electric Cooperative | 501(c)(12) | Karnes City, TX | $100 million |
| Minnesota Valley Electric Cooperative | 501(c)(12) | Jordan, MN | $96 million |
| Attn Andrew Kilgore | 501(c)(12) | Lagrange, GA | $96 million |
| Hendricks Power Cooperative | 501(c)(12) | Danville, IN | $93 million |
| South Central Indiana Rural Electric Membership Corporation | 501(c)(12) | Martinsville, IN | $87 million |
| Southwestern Electric Cooperative | 501(c)(12) | Greenville, IL | $64 million |
| Johnson County REMC | 501(c)(12) | Franklin, IN | $62 million |
| Pee Dee Electric Membership Corporation | 501(c)(12) | Wadesboro, NC | $49 million |
| Rushshelby Energy Rural Electric Membership Corporation | 501(c)(12) | Manilla, IN | $47 million |
| Boone Remc | 501(c)(12) | Lebanon, IN | $44 million |
| Morgan County Rural Electric Association | 501(c)(12) | Fort Morgan, CO | $43 million |
| Prince George Electric Cooperative (PGEC) | 501(c)(12) | Waverly, VA | $39 million |
| Rural Electric Cooperative (REC) | 501(c)(12) | Lindsay, OK | $38 million |
| Decatur County Rural Electric Membership | 501(c)(12) | Greensburg, IN | $36 million |
| Crawford Electric Cooperative | 501(c)(12) | Bourbon, MO | $36 million |
| Dunn Energy Cooperative | 501(c)(12) | Menomonie, WI | $25 million |
| St Croix Electric Cooperative | 501(c)(12) | Hammond, WI | $24 million |
| Central Electric Cooperative | 501(c)(12) | Parker, PA | $22 million |
| Firelands Electric Cooperative | 501(c)(12) | New London, OH | $21 million |
| Georgia Electric Membership Corporation | 501(c)(6) | Tucker, GA | $14 million |
| North Carolina's Electric Cooperatives | 501(c)(6) | Raleigh, NC | $13 million |
| Electric Cooperatives of South Carolina (ECSC) | 501(c)(6) | Cayce, SC | $13 million |
| Indiana Electric Cooperatives | 501(c)(6) | Indianapolis, IN | $8.2 million |
| Virginia Maryland Delaware Association of Electric Cooperative (VMDAEC) | 501(c)(6) | Glen Allen, VA | $7.3 million |
| Alabama Rural Electric Association of Cooperatives | 501(c)(6) | Montgomery, AL | $7.1 million |
| Tennessee Electric Cooperative Association | 501(c)(6) | Nashville, TN | $6.8 million |
| Association of Illinois Electric Cooperatives | 501(c)(6) | Springfield, IL | $6.5 million |
| Electric Cooperatives of Mississippi | 501(c)(6) | Ridgeland, MS | $6.4 million |
| Oklahoma ASSOCIATION of Electric Cooperatives (OAEC) | 501(c)(6) | Oklahoma City, OK | $6.2 million |
| Iowa Association of Electric Cooperatives (IAEC) | 501(c)(6) | Des Moines, IA | $4.7 million |
| Pennsylvania Rural Electric ASSOCIATION (PREA) | 501(c)(6) | Harrisburg, PA | $4.4 million |
| Minnesota Rural Electric Association | 501(c)(6) | Maple Grove, MN | $3.9 million |
| Colorado Rural Electric Association | 501(c)(6) | Denver, CO | $3.9 million |
| North Dakota Association of Rural Electric Cooperatives (NDAREC) | 501(c)(6) | Mandan, ND | $3.8 million |
| Wisconsin Electric Cooperative Association | 501(c)(6) | Madison, WI | $3.5 million |
| Public Power Association of New Jersey | 501(c)(6) | Butler, NJ | $3.4 million |
| Michigan Electric Cooperative Association (MECA) | 501(c)(6) | Lansing, MI | $3.1 million |
| Montana Electric Cooperative Association (MECA) | 501(c)(6) | Great Falls, MT | $2.8 million |
| Ohio Rural Electric Cooperatives (OREC) | 501(c)(6) | Columbus, OH | $2.8 million |
| South Dakota Rural Electric Association (SDREA) | 501(c)(6) | Pierre, SD | $2.7 million |
| Nebraska Rural Electric Association (NREA) | 501(c)(6) | Lincoln, NE | $2.5 million |
| NRECA Wood Quality Control (NRECA) | 501(c)(6) | Arlington, VA | $2.4 million |
| Florida Electric Cooperatives Association (FECA) | 501(c)(6) | Tallahassee, FL | $2.0 million |
| Texas Public Power Association (TPPA) | 501(c)(6) | Austin, TX | $1.3 million |
| Central Electric Power Cooperative | 501(c)(12) | Columbia, SC | $1.3 billion |
| North Carolina Electric Membership Corporation | 501(c)(12) | Raleigh, NC | $1.2 billion |
| Brazos Electric Power Cooperative | 501(c)(12) | Waco, TX | $1.0 billion |
| East Kentucky Power Cooperative | 501(c)(12) | Winchester, KY | $928 million |
| Cooperative Energy | 501(c)(12) | Hattiesburg, MS | $829 million |
| Buckeye Power | 501(c)(12) | Columbus, OH | $688 million |
| Pedernales Electric Cooperative | 501(c)(12) | Johnson City, TX | $639 million |
| Upper Missouri Power Cooperative | 501(c)(12) | Sidney, MT | $626 million |
| Powersouth Energy Cooperative | 501(c)(12) | Andalusia, AL | $621 million |
| Middle Tennessee Electric Membership Corporation | 501(c)(12) | Murfreesboro, TN | $618 million |
| Jackson Electric Membership Corporation | 501(c)(12) | Jefferson, GA | $588 million |
| Northern Virginia Electric Co-Op (NOVEC) | 501(c)(12) | Manassas, VA | $538 million |
| South Texas Electric Cooperative | 501(c)(12) | Nursery, TX | $529 million |
| Coserv Electric | 501(c)(12) | Corinth, TX | $525 million |
| Dairyland Power Cooperative | 501(c)(12) | La Crosse, WI | $482 million |
| Wolverine Power Supply Cooperative | 501(c)(12) | Cadillac, MI | $476 million |
| Southern Maryland Electric Cooperative (SMECO) | 501(c)(12) | Hughesville, MD | $472 million |
| Rappahannock Electric Cooperative | 501(c)(12) | Fredericksburg, VA | $453 million |
| Lee County Electric Cooperative (LCEC) | 501(c)(12) | North Fort Myers, FL | $425 million |
| Minnkota Power Cooperative | 501(c)(12) | Grand Forks, ND | $402 million |
| Midcontinent Independent System Operator (MISO) | 501(c)(4) | Carmel, IN | $400 million |
| Sumter Electric Cooperative | 501(c)(12) | Sumterville, FL | $394 million |
| Clay Electric Cooperative | 501(c)(12) | Keystone Heights, FL | $381 million |
| Rayburn Country Electric Cooperative | 501(c)(12) | Rockwall, TX | $369 million |
| East Texas Electric Cooperative | 501(c)(12) | Nacogdoches, TX | $351 million |
| Golden Spread Electric Cooperative | 501(c)(12) | Amarillo, TX | $342 million |
| South Central Power Company | 501(c)(12) | Lancaster, OH | $338 million |
| Berkeley Electric Cooperative | 501(c)(12) | Moncks Corner, SC | $324 million |
| East River Electric Power Cooperative | 501(c)(12) | Madison, SD | $315 million |
| Mountrail-Williams Electric Cooperative | 501(c)(12) | Williston, ND | $310 million |
| McKenzie Electric Cooperative | 501(c)(12) | Watford City, ND | $309 million |
| United Power | 501(c)(12) | Brighton, CO | $295 million |
| Cumberland Electric Membership Corporation | 501(c)(12) | Clarksville, TN | $292 million |
| Tri-County Electric Cooperative | 501(c)(12) | Azle, TX | $264 million |
| Volunteer Energy Cooperative | 501(c)(12) | Decatur, TN | $252 million |
| Golden Valley Electric Association | 501(c)(12) | Fairbanks, AK | $251 million |
| Shenandoah Valley Electric Cooperative | 501(c)(12) | Rockingham, VA | $251 million |
| Guadalupe Valley Electric Cooperative | 501(c)(12) | Gonzales, TX | $241 million |
| Northeast Texas Electric Cooperative (NTEC) | 501(c)(12) | Longview, TX | $238 million |
| Central Electric Power Cooperative | 501(c)(12) | Jefferson City, MO | $238 million |
| Southwest Louisiana Electric Membership Corporation | 501(c)(12) | Lafayette, LA | $236 million |
| Magic Valley Electric Cooperative | 501(c)(12) | Mercedes, TX | $235 million |
| Bluebonnet Electric Cooperative | 501(c)(12) | Bastrop, TX | $230 million |
| Flint Electric Membership Corporation | 501(c)(12) | Reynolds, GA | $229 million |
| Dixie Electric Membership Corporation | 501(c)(12) | Baton Rouge, LA | $225 million |
| Midwest Energy | 501(c)(12) | Hays, KS | $210 million |
| Great Lakes Energy Cooperative | 501(c)(12) | Boyne City, MI | $209 million |
| Southern Pine Electric | 501(c)(12) | Taylorsville, MS | $209 million |
| United Cooperative Services | 501(c)(12) | Burleson, TX | $207 million |
| Arizona Electric Power Cooperative | 501(c)(12) | Benson, AZ | $206 million |
| Duck River Electric Membership Corporation | 501(c)(12) | Shelbyville, TN | $204 million |
| Chugach Electric Association | 501(c)(12) | Anchorage, AK | $202 million |
| First Electric Cooperative Corporation | 501(c)(12) | Jacksonville, AR | $202 million |
| Powder River Energy Corporation | 501(c)(12) | Sundance, WY | $202 million |
| Warren Rural Electric Cooperative Corporation | 501(c)(12) | Bowling Green, KY | $200 million |
| Brunswick Electric Membership Corporation | 501(c)(12) | Shallotte, NC | $197 million |
| Central Iowa Power Cooperative | 501(c)(12) | Cedar Rapids, IA | $195 million |
| Carroll Electric Cooperative Corporation | 501(c)(12) | Berryville, AR | $194 million |
| Southern Illinois Power Cooperative | 501(c)(12) | Marion, IL | $191 million |
| Delaware Electric Cooperative | 501(c)(12) | Greenwood, DE | $178 million |
| Palmetto Electric Cooperative | 501(c)(12) | Ridgeland, SC | $176 million |
| Horry Electric Cooperative | 501(c)(12) | Conway, SC | $173 million |
| Sam Houston Electric Cooperative | 501(c)(12) | Livingston, TX | $173 million |
| Mississippi County Electric Cooperative | 501(c)(12) | Blytheville, AR | $172 million |
| Corn Belt Power Cooperative | 501(c)(12) | Humboldt, IA | $172 million |
| Baldwin County Electric Membership Corporation | 501(c)(12) | Summerdale, AL | $169 million |
| Kauai Island Utility Cooperative | 501(c)(12) | Lihue, HI | $165 million |
| Kansas Electric Power Cooperative | 501(c)(12) | Topeka, KS | $164 million |
| Trinity Valley Electric Cooperative (TVEC) | 501(c)(12) | Kaufman, TX | $161 million |
| Singing River Electric Cooperative | 501(c)(12) | Lucedale, MS | $161 million |
| Lumbee River Electric Membership Corporation | 501(c)(12) | Pembroke, NC | $159 million |