| AT&T Ohio | ATTOH | All of Ohio | Ohio | Adams, ADMIN, Allen, Ashland, Ashtabula, Athens, Auglaize, Belmont, Brown, Butler, Carroll, Champaign, Clark, Clermont, Clinton, Columbiana, Coshocton, Crawford, Cuyahoga, Darke, Defiance, Delaware, Erie, Fairfield, Fayette, Franklin, Fulton, Gallia, Geauga, Greene, Guernsey, Hamilton, Hancock, Hardin, Harrison, Henry, Highland, Hocking, Holmes, Huron, Jackson, Jefferson, Knox, Lake, Lawrence, Licking, Logan, Lorain, Lucas, Madison, Mahoning, Marion, Medina, Meigs, Mercer, Miami, Monroe, Montgomery, Morgan, Morrow, Muskingum, Noble, Ottawa, Paulding, Perry, Pickaway, Pike, Portage, Preble, Putnam, Richland, Ross, Sandusky, Scioto, Seneca, Shelby, Stark, Summit, Trumbull, Tuscarawas, Union, Van Wert, Vinton, Warren, Washington, Wayne, Williams, Wood, Wyandot |
| City of Westerville | WSTRVL | Westerville City - Franklin and Delaware County | Ohio | Delaware, Franklin |
| Consolidated Electric | CONSEC | Counties include: Morrow, Richland, Knox, Marion, Delaware, Licking, Union and Franklin | Ohio | Delaware, Franklin, Knox, Licking, Marion, Morrow, Richland, Union |
| Guernsey Muskingum Electric Cooperative | GUEMUS | Serving members in Guernsey, Muskingum, Morgan, Perry, Noble, Licking, Harrison, Coshocton and Tuscarawas counites | Ohio | Coshocton, Guernsey, Harrison, Licking, Morgan, Muskingum, Noble, Perry, Tuscarawas |
| Washington Electric Cooperative, Inc. | WHECOH | Washington Electric Cooperative, Inc. | Ohio | Athens, Guernsey, Monroe, Morgan, Noble, Washington |