| Name | Address, Zip | Tax Id (EIN) |
| Free & Accepted Masons Of Arkansas | Po Box 84, 71731-0084 | 71-6058815 |
| Knights Templar Of The United States Of America | Po Box 84, 71731-0084 | 71-6058817 |
| American Federation Of Labor & Congress Of Industrial Orgs | Po Box 30, 71731-0030 | 71-6057796 |
| South Arkansas Workforce Training And Education Consortium | Po Box 7010, 71731-7010 | 27-1614939 |
| Union County Animal Protection Society | Po Box 204, 71731-0204 | 71-0625038 |
| Royal Arch Masons Of Arkansas | Po Box 84, 71731-0084 | 23-7584739 |
| Medical Center Of South Ark Auxil | Po Box 1998, 71731 | 23-7275407 |
| First Christian Church Of El Dorado Arkansas Endowment Fund | Po Box 267, 71731-0267 | 71-6143827 |
| El Dorado Band Parents Association Of El Dorado Arkansas | Po Box 421, 71731-0421 | 71-0573189 |
| Local Railroads Of Arkansas Inc | Po Box 46, 71731-0046 | 20-2007714 |
| South Arkansas Historical Foundation | Po Box 144, 71731-0144 | 71-0487300 |
| Faith Assembly Of God | Po Box 339, 71731 | 71-0568245 |
| Association Of Desk & Derrick Clubs | Po Box 7300, 71731-7300 | 71-6057142 |
| Improved Benevolent & Protective Order Of Elks Of The World | Po Box 1426, 71731-1426 | 71-0645295 |
| International Brotherhood Of Electrical Workers | Po Box 1242, 71731-1242 | 71-0247902 |
| Camp Kurios Inc | Po Box 42, 71731-0042 | 71-0663608 |
| First Christian Church | Po Box 267, 71731-0267 | 71-0240672 |
| Civitan International | Po Box 1065, 71731-1065 | 71-0534892 |
| Murphy Oil Corporation Employees Club | Po Box 7000, 71731-7000 | 71-6069321 |
| Union County Community Foundation | Po Box 148, 71731-0148 | 31-1500805 |
| Union County Gift Foundation | Po Box 148, 71731-0148 | 26-0350286 |
| El Dorado Service League Inc | Po Box 1043, 71731-1043 | 23-7266927 |
| Rotary International | Po Box 786, 71731-0786 | 71-0308671 |
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