| 1 | Samuel C. Smithers | Clarks Hill, IN | | Jul 12 1955 |
| 2 | Herbert Schneckloth & Son | Davenport, IA | Oct 11 1955 | Jan 01 2000 |
| 3 | Roy M. Curtis | Princeton, IA | Mar 28 1956 | Jan 01 2000 |
| 4 | George Roman | Norfolk, NE | Jun 15 1956 | Jan 01 2000 |
| 5 | Harold Hill | Johnstown, NE | Nov 28 1956 | Jan 01 2000 |
| 6 | Eldred E. Pierce | Oakland, IA | Apr 14 1961 | Jan 01 2000 |
| 7 | Matilda R. Wilson | Howell, MI | Mar 13 1963 | Jan 01 2000 |
| 8 | Mr. & Mrs. James J. Rohde & Sons | Bridgeport, MI | Oct 05 1964 | Jan 01 2000 |
| 9 | William Baumstark, Jr. | Croswell, MI | Dec 12 1966 | Jan 01 2000 |
| 10 | Matilda R. Wilson | Howell, MI | Apr 24 1967 | Jan 01 2000 |
| 11 | Harry M. Allen | Mason, MI | Sep 23 1968 | Jan 01 2000 |
| 12 | Ruth M. Clark | Carmel, IN | Mar 19 1969 | Jan 01 2000 |
| 13 | Mr. & Mrs. H. Edgar Messerschmidt | Myerstown, PA | Feb 04 1970 | Jan 01 2000 |
| 14 | Muard M.M. Naugle, Jr. | Strausstown, PA | Feb 03 1971 | Jan 01 2000 |
