| Name | Address, Zip |
| Clausen-worden Post 101 Dept Of Iowa American Legion Auxiliary | 429 S Pierce Ave, 50401-2738 |
| Mason City Community School District 7-12 Pto | 1700 4th St Se, 50401-4409 |
| Central Services 2 5 12 Inc | 1190 Briarstone Drive, 50401-4689 |
| Mason City Lodge 1328 Loyal Order Of Moose | 22 4th St Nw, 50401-3206 |
| Iowa State Policemens Assn-18 | 78 S Georgia Ave, 50401-3928 |
| Daughters Of Union Veterans Of The Civil War 1861-1865 | 433 28th St Sw, 50401-6415 |
| Daughters Of Union Veterans Of The Civil War 1861-1865 | 1207 S Pennsylvania Ave, 50401-5851 |
| Prairie Place On 1st Inc | 302 2nd St Ne, 50401-3412 |
| Al A Lake T W 3cb537000 Norwest Bank Of Des Moines Na Ttee | 100 E State St, 50401-3306 |
| National Association Of Letter Carriers Harmony Branch 471 | Po Box 1502, 50402-1502 |
| 4th Texas Regiment Reenacting Association Inc | 777 S Eisenhower Ave Trlr 87, 50401-1571 |
| Mason City Chapter 870 Women Of The Moose | 2111 S Harding Ave, 50401-6217 |
| Experimental Aircraft Association Chapter 94 Inc | 3385 Saratoga Ct, 50401-4567 |
| Mason City Little League Inc D B A Mason City Youth Baseball | Po Box 1031, 50402-1031 |
| North Iowa Child Abuse Prevention Council Inc | Po Box 41, 50402-0041 |
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| Ancient Free & Accepted Masons Of Iowa | 304 1st St Se, 50401-3924 |
| Ancient Free & Accepted Masons Of Iowa | 304 1st St Se, 50401-3924 |
| Ace Mentor Program Of America Inc | 1700 4th St Se, 50401-4409 |
| Rolling Acres Christian Reformed Church | 341 19th St Sw, 50401-6552 |
| North Iowa Community Action Organization | Po Box 1627, 50402-1627 |
| National Active And Retired Federal Employees Association | 1685 10th St Sw, 50401-4770 |
| Community Policing Advisory Board | 78 S Georgia Ave, 50401-3928 |
| Elderbridge Agency On Aging | 1190 Briarstone Dr Ste 3, 50401-4690 |
| Aging Services Coalition Of North Iowa | 103 E State St Ste 800, 50401-3334 |
| Agva Foundation | 2009 4th St Sw Ste 1, 50401-4636 |
| North Iowa Mutual Aid | Po Box 892, 50402-0892 |
| Airborne Search And Rescue | 4 Woodshire Ln Ne, 50401-1460 |
| Al Yad | 715 6th St Sw, 50401-4903 |
| Alano Society Inc Of Mason City Iowa | 207 8th Pl Se, 50401-5801 |
| E R Keig And Alice Keig Scholarship Trust | Po Box 1567, 50402-1567 |
| North Iowa Alliance For The Mentally Ill | Po Box 85, 50402-0085 |
| Elderbridge Alliance | 22 N Georgia Ave Ste 216, 50401-3435 |
| Northern Lights Alliance For The Homeless Inc | 307 N Monroe Ave, 50401-3023 |
| National Alliance On Mental Illness Of North Iowa | Po Box 1486, 50402-1486 |
| Newman Alumni Corporation | Po Box 1567, 50402-1567 |
| Future Farmers Of America Ia14081 Tall Corn Ffa Alumni Association | 10 Charlestown Sq, 50401-4543 |
| Northland Amateur Communications Group | 2305 21st St Sw, 50401-6202 |
| Society For Preservation & Encrgmnt Of Barbershop Quartet Singing Amer | 141 25th St Sw, 50401-6609 |
| Knights Templar Of The United States Of America | 302 1st St Se, 50401 |
| Vietnam Veterans Of America Inc | 107 Linden Dr, 50401-2936 |
| American Womens Self Defense Association | Po Box 1533, 50402-1533 |
| American Federation Of State County & Municipal Employees | 113 President Ct, 50401-2055 |
| American Postal Workers Union | Po Box 1401, 50402-1401 |
| American Federation Of State County & Municipal Employees | 330 15th St Se, 50401-5928 |
| American Legion | 107 Linden Dr, 50401-2936 |
| National Society Of The Daughters Of The American Revolution | 1510 S Kentucky Ave, 50401-6953 |
| Catholic Daughters Of The Americas | 5 Barberry Rd, 50401-2556 |
| Parents Families And Friends Of Lesbians And Gays North Iowa | Po Box 301, 50402-0301 |
| Doris And Ralph Preuss Charitable Tr | 2601 4th St Sw, 50401-4650 |
| Iowa Odd Fellows And Orphans Home | 1037 19th St Sw, 50401-6436 |
| Ymca And Rehabilitation Center | 1840 S Monroe Ave, 50401-5681 |
| Bakery Confectionery Tobacco Workers And Grain Millers Intl Uni | 1139 E State St, 50401-3635 |
| Royal And Select Masters Of Iowa | 304 1st St Se, 50401-3924 |
| Brotherhood Of Locomotive Engineers And Trainmen | 2600 12th St Ne, 50401-4560 |
| Glady Mae Animal Sanctuary | 12051 Quail Ave, 50401-9361 |
| Good Shepherd Retirement Apartments Inc | 302 2nd St Ne, 50401-3412 |
| Arc Of Iowa | Po Box 168, 50402-0168 |
| North Iowa Area Community College Foundation | 500 College Dr, 50401-7213 |
| Macnider Art Museum Foundation | 303 2nd St Se, 50401-3925 |
| First Assembly Of God | 1301 North Carolina, 50401 |
| Association Of Wa Tan Ye Clubs | 411 River Bend Dr, 50401-2591 |
| Association Of Operating Room Nurses | 1250 N Taft Ave, 50401-7312 |
| North Iowa Association Of Life Underwriters Inc | 2703 19th St Sw, 50401-6239 |
| Central Heights Neighborhood Association | 2952 15th St Sw, 50401-5561 |
| International Association Of Ministries Inc | 28 27th St Sw, 50401-6723 |
| Human Resources Association Of North Iowa | 10 1st St Nw, 50401-3224 |
| Association Of Wa Tan Ye Clubs | 275 North Taft, 50401-1523 |
| International Association Of Lions Clubs | 630 Briarstone Dr Apt 206, 50401-4681 |
| North Iowa Fair Association | 3700 4th St Sw, 50401-1590 |
| Young Mens Christian Association | 1840 S Monroe Ave, 50401-5681 |
| North Iowa Landlords Association | 210 N Taft Ave, 50401-7302 |
| Mason City Youth Hockey Association Inc | Po Box 311, 50402-0311 |
| North Iowa Volleyball Association | 930 N Jefferson Ave, 50401-2030 |
| International Association Of Lions Clubs | 1430 N Kentucky Ave, 50401-1489 |
| Masonic Temple Association Of Mason City | 304 1st St Se, 50401-3924 |
| National Association Of Fsa County Office Employees | 907 7th St Se, 50401-5220 |
| Iowa Association Of Women Police | Po Box 44, 50402-0044 |
| North Iowa Basketball Association | 930 N Jefferson Ave, 50401-2030 |
| Down Syndrome Association Of North Central Iowa | Po Box 4, 50402-0004 |
| International Association Of Fire Fighters | 350 5th St Sw, 50401-3822 |
| Mason City Education Association | 310 Woodbine Rd, 50401-2570 |
| Mason City Veterans Memorial Association | 539 8th St Se, 50401-5162 |
| Mason City Youth Football Association | 73 N Yorktown Pike, 50401-4512 |
| Mason City Downtown Association | 13 N Federal Ave, 50401-3250 |
| North Iowa Vintage Auto Club | 1421 N Taft Ave, 50401-1518 |
| Department Of Iowa Auxiliary To The Veterans Of Foreign Wars | 1733 Springview Dr, 50401-4759 |
| Charles B & Vivian Kelly Charitable Tr | 100 E State St, 50401-3306 |
| North Iowa Band Festival Foundation | 9 N Federal Ave, 50401-3250 |
| Hawkeye Harvest Food Bank Corporation | Po Box 1565, 50402-1565 |
| First Baptist Church | 125 E State St, 50401-3305 |
| Beasley Family Foundation Inc | 2265 Timber Creek Ct, 50401-8923 |
| Donald J Beck Trust | 2601 4th St Sw, 50401-4650 |
| Prairie Ridge Integrated Behavioral Healthcare | 320 N Eisenhower Ave, 50401-1521 |
| Bella Center | 1050 Fair Meadow Dr, 50401-7128 |
| Bertha Stebens Childrens Theatre Foundation | 616 N Delaware Ave, 50401-7014 |
| Beth E Reinhart Charitable Trust | Po Box 894, 50402-0894 |
| Bethlehem Lutheran Church | 419 N Delaware Ave, 50401-7009 |
| Rudd Community Betterment Corporation | Po Box 1567, 50402-1567 |
| Bible Truth Hall Of Clarksville Iowa | Po Box 1567, 50402-1567 |
| Big Gully Creek Foundation | 13732 Thrush Ave, 50401-8711 |
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