| Name | Address, Zip |
| Mahoning Valley Professional 20-30 Club | Po Box 6395, 44501-6395 |
| S C A House Corporation | 55 Indiana Ave, 44505-2818 |
| Youngstown Acbl Unit Iii | 4423 Logan Way, 44505-1738 |
| Sigma Alpha Epsilon Fraternity | 850 Pennsylvania Ave, 44504-1618 |
| Irish Terrier Club Of America | 4730 Michigan Blvd, 44505-1231 |
| Northern Ohio Valley Region Sports Car Club Of America Inc | 733 Pasadena Ave, 44502-2251 |
| Mahoning County Duck Hunting And Conservation Club | 823 Wildwood Dr, 44512-3244 |
| Sae Finanical And Housing | 850 Pennsylvania Ave, 44504-1618 |
| Family Motor Coach Association | 3937 New Rd, 44515-4627 |
| Tau Beta Pi Association Inc | 1 Tressel Way, 44555-9703 |
| Youngstown - Mahoning Retired Teachers Association | 680 Presidential Dr, 44512-4746 |
| Mahoning County Coon Hunters Protective Association | 5389 S Saratoga Ave, 44515-4073 |
| Audubon Society-mahoning Valley | Po Box 3214, 44513-3214 |
| Womens Auxiliary Pacentrano Club Of Youngstown Ohio | 2629 Craiger Ave, 44502-2771 |
| Boardman Tennis & Swim Club | Po Box 3341, 44513-3341 |
| Sigma Chi Fraternity Eta Chi Chapter | 1 University Plz, 44555-0001 |
| South Side Duplicate Club | 4423 Logan Way, 44505-1738 |
| Youngstown Ritle & Pistol Club Ine | Po Box 4812, 44515-0812 |
| Youngstown Country Club | 1402 Country Club Dr, 44505-2264 |
| Pacentrano Club Of Youngstown Ohio | 2629 Craiger Ave, 44502-2771 |
| Mahoning Valley Corvettes | Po Box 2941, 44511-0941 |
| Squaw Creek Inc | 4308 Belmont Ave Ste 1, 44505-1071 |
| Dare | 6625 Mill Creek Blvd, 44512-4110 |
| Delta Sigma Theta Sorority | 1 University Plz, 44555-0001 |
| Omega Psi Phi Fraternity | Po Box 5932, 44504-0932 |
| Sigma Tau Gamma Fraternity | 1 University Plz, 44555-0001 |
| Ridgeview Lodge Inc | 198 Lowell Ave, 44512-1227 |
| Outspokin Wheelmen Inc | Po Box 1600, 44501-1600 |
| Phi Sigma Rho National Sorority Inc | 1 University Plz, 44555-0001 |
| Penn-ohio Polka Pals Incorporated | 93 Forest Garden Dr, 44512-6222 |
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