| Name | Years | Races | |||
| 1 | Maserati | 1950 – 1953 | 4 | ||
| 2 | Nichels | 1950 – 1951, 1954 | 3 | ||
| 3 | Ewing | 1950 – 1956, 1960 | 8 | ||
| 4 | Deidt | 1950 – 1953 | 4 | ||
| 5 | Kupiec | 1950 | 1 | ||
| 6 | Miller | 1950 | 1 | ||
| 7 | Moore | 1950 – 1951, 1953 – 1954, 1959 – 1960 | 6 | ||
| 8 | Rounds Rocket | 1950 | 1 | ||
| 9 | Kurtis Kraft | 1950 – 1960 | 11 | ||
| 10 | Snowberger | 1950, 1952 – 1953, 1957 – 1958 | 5 | ||
| 11 | Gdula | 1950 – 1951 | 2 | ||
| 12 | Lesovsky | 1950 – 1960 | 11 | ||
| 13 | Meyer | 1950, 1952 | 2 | ||
| 14 | Adams | 1950 – 1951 | 2 | ||
| 15 | Scopa | 1950 – 1952, 1955 | 4 | ||
| 16 | Stevens | 1950 – 1956 | 7 | ||
| 17 | Langley | 1950 | 1 | ||
| 18 | Wetteroth | 1950 | 1 | ||
| 19 | Watson | 1950 – 1953, 1956 – 1960 | 9 | ||
| 20 | Olson | 1950 | 1 | ||
| 21 | Bromme | 1950 – 1954 | 5 | ||
| 22 | Marchese | 1950 – 1951 | 2 | ||
| 23 | Bardazon | 1950 – 1951 | 2 | ||
| 24 | Sherman | 1951 – 1952 | 2 | ||
| 25 | Hall | 1951 | 1 | ||
| 26 | Pawl | 1951 – 1955 | 5 | ||
| 27 | Schroeder | 1951 – 1957 | 7 | ||
| 28 | Trevis | 1951 – 1953, 1955, 1960 | 5 | ||
| 29 | Kuzma | 1951 – 1960 | 10 | ||
| 30 | Rassey | 1951 | 1 | ||
| 31 | Szalai | 1951 | 1 | ||
| 32 | Silnes | 1951, 1953 – 1956 | 5 | ||
| 33 | Pankratz | 1952 – 1955 | 4 | ||
| 34 | Koehnle | 1952 | 1 | ||
| 35 | Rae | 1952 | 1 | ||
| 36 | DelRoy | 1953 | 1 | ||
| 37 | Clemons | 1953 | 1 | ||
| 38 | Christy | 1953 | 1 | ||
| 39 | Turner | 1953 – 1954 | 2 | ||
| 40 | Phillips | 1954 – 1960 | 7 | ||
| 41 | Epperly | 1955 – 1960 | 6 | ||
| 42 | Templeton | 1955 – 1956 | 2 | ||
| 43 | Hillegass | 1956 | 1 | ||
| 44 | Shilala | 1957 | 1 | ||
| 45 | Watts | 1957 | 1 | ||
| 46 | Dunn | 1957 – 1960 | 4 | ||
| 47 | Christensen | 1959 – 1960 | 2 | ||
| 48 | Elder | 1959 | 1 | ||
| 49 | Cornis | 1959 | 1 | ||
| 50 | Sutton | 1959 | 1 | ||
| 51 | Meskowski | 1960 | 1 | ||
| 52 | Gerhardt | 1960 | 1 |