| Teams for 1956 Grand National Race No. 21 |
|---|
| Car | Team | Driver | Mfg |
|---|---|---|---|
| 1C | Tom Roady | Clyde Palmer | ![]() |
| 1 | Tom Roady | Art Watts | ![]() |
| 5 | Al Liggons | Lyle Matlock | ![]() |
| 6 | Oscar Maples | Harold Beal | ![]() |
| 6 | Cos Cancilla | Don Hildreth | ![]() |
| 11 | Curley Barker | Curley Barker | ![]() |
| 14 | Harold McClure | Bob Keefe | ![]() |
| 15 | Curly Weida | Royce Hagerty | ![]() |
| 25 | Erick Erickson | Erick Erickson | ![]() |
| 27 | Oscar Maples | Andy Wilson | ![]() |
| 52 | John Ross | Harold Hardesty | ![]() |
| 55 | Don Hamilton | Don Hamilton | Studebaker |
| 56 | Jim Rush | Lou Sherman | ![]() |
| 66 | Herb Eberhart | Bill Hyde | ![]() |
| 71 | Ted Sweeney | Ted Sweeney | ![]() |
| 77 | Herb Eberhart | Gordon Haines | ![]() |
| 88 | Negre Racing | Ed Negre | ![]() |
| 98 | John Kieper | John Kieper | ![]() |
| 300B | Kiekhaefer Racing | Herb Thomas | Chrysler |
| 325 | Lloyd Dane | Lloyd Dane | ![]() |