| Name | Address, Zip |
| Oapse Local 247 Greenville City | 6805 Oak Creek Dr, 43229-1501 |
| Gahanna-jefferson City Schools 299 | 6805 Oak Creek Dr, 43229-1501 |
| International Association Of Heat & Frost Insulators & Allied Workers | 939 Goodale Blvd, 43212-3870 |
| Transport Workers Union Of America | 2800 S High St, 43207-3658 |
| Communication Workers Of America | 399 E Main Street, 43215-5384 |
| Communication Workers Of America | 4140 E Broad St, 43213-1214 |
| American Federation Of State County & Municipal Employees | 8740 Orion Pl Ste 305, 43240-4063 |
| United Association Of Journeymen & Apprentices Of The Plumbing & Pipe | 1250 Kinnear Rd, 43212-1154 |
| Columbus Area Labor Management Committee | 2800 S High St, 43207-3658 |
| Guernsey Noble Education Assoc | 225 E Broad St, 43215-3709 |
| Dayton Chapter Of Reserve Teachers Association | Po Box 2550, 43216-2550 |
| The Ohio Nurses Association Local Unit At Trinity Medical Center | 3510 Snouffer Rd Ste 100, 43235-4299 |
| Columbus State Education Association | 550 E State St, 43215 |
| Ohio Education Association Retired | 225 E Broad St, 43215-3709 |
| Capital District Incorporated | 929 E Broad St, 43205-1101 |
| Electrical Industry Of Central Ohio Labor Management Cooperation | 939 Goodale Blvd Ste 204, 43212-3870 |
| Franklin Township Firefighters Charitable Trust | 4100 Sullivant Ave, 43228-2196 |
| Trust For City Of Kansas Missouri Pehp Trust Post Employment Health | Three Nationwide Plaza Ste 3-8-305, 43215-2410 |
| Ohio State Conference Of The Ibew | 939 Goodale Blvd Ste 100, 43212-3870 |
| Ohio Operating Engineers Education & Safety Fund | 1180 Dublin Rd, 43215-1008 |
| Industrial Workers Of The World | 2755 Indianola Ave, 43202-2373 |
| Industrial Workers Of The World | 1134 S Cassingham Rd, 43209-2869 |
| Industrial Workers Of The World | 1304 E Weber Rd, 43211-1353 |
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