| Indianapolis | D-A Lubricants Racing | 1 | SWEIKERT Bob | 500C | Offenhauser | 10 | 6 |
| Jones & Maley Cars | 4 | HANKS Sam | 500C | Offenhauser | 13 | 2 |
| H.A. Chapman | 5 | LINDEN Andy | 500C | Offenhauser | 9 | 27 |
| Ansted Rotary | 7 | O’CONNOR Pat | 500D | Offenhauser | 3 | 18 |
| Hoyt Machine/Fred Sommer | 10 | ELISIAN Ed | 500C | Offenhauser | 14 | 23 |
| Bardahl/Pat Clancy | 12 | HERMAN Al | 500B | Offenhauser | 27 | 28 |
| Federal Engineering | 14 | VEITH Bob | 500C | Offenhauser | 23 | 7 |
| Bowes Seal Fast/Bignotti | 15 | BOYD Johnny | 500E | Offenhauser | 12 | 30 |
| Filter Queen/Ed Walsh | 19 | WARD Rodger | 500C | Offenhauser | 15 | 8 |
| Lindsey Hopkins | 24 | RATHMANN Jim | 500C | Offenhauser | 2 | 20 |
| Novi Racing | 29 | RUSSO Paul | 500F | Novi | 8 | 33 |
| Trio Brass Foundry / Anderson | 34 | TOLAN Johnnie | 500C | Offenhauser | 31 | 21 |
| Federal Engineering | 42 | AGABASHIAN Fred | 500C | Offenhauser | 7 | 12 |
| Sumar/Chapman Root | 48 | DAYWALT Jimmy | 500D | Offenhauser | 16 | 24 |
| Ray Crawford | 49 | CRAWFORD Ray | 500B | Offenhauser | 17 | 29 |
| John Zink | 53 | RUTTMAN Troy | 500C | Offenhauser | 11 | 31 |
| Travelon Trailer / Ernest Ruiz | 54 | TURNER Jack | 500B | Offenhauser | 24 | 25 |
| Sam Traylor Offy | 55 | KELLER Al | 4000 | Offenhauser | 28 | 14 |
| Helse / H.H. Johnson | 57 | CHRISTIE Bob | 500D | Offenhauser | 25 | 13 |
| Shannon’s | 64 | DINSMORE Duke | 500A | Offenhauser | 33 | 17 |
| McNamara/Kalamazoo Sports | 73 | RATHMANN Dick | 500C | Offenhauser | 4 | 5 |
| Dunn Engineering | 89 | ANDREWS Keith | 500B | Offenhauser | 20 | 26 |
| Belanger Motors | 99 | BETTENHAUSEN Tony | 500C | Offenhauser | 5 | 22 |
