| Teams 1956 Grand National Race No. 21 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 1 | Tom Roady | Clyde Palmer | Dodge |
| 1 | Tom Roady | Art Watts | Dodge |
| 5 | Al Liggons | Lyle Matlock | Mercury |
| 6 | Oscar Maples | Harold Beal | Ford |
| 6 | Cos Cancilla | Don Hildreth | Oldsmobile |
| 11 | Curley Barker | Curley Barker | Chevrolet |
| 14 | Harold McClure | Bob Keefe | Ford |
| 15 | Curly Weida | Royce Hagerty | Dodge |
| 25 | Erick Erickson | Erick Erickson | Buick |
| 27 | Oscar Maples | Andy Wilson | Ford |
| 52 | John Ross | Harold Hardesty | Chevrolet |
| 55 | Don Hamilton | Don Hamilton | Studebaker |
| 56 | Jim Rush | Lou Sherman | Mercury |
| 66 | Herb Eberhart | Bill Hyde | Oldsmobile |
| 71 | Ted Sweeney | Ted Sweeney | Oldsmobile |
| 77 | Herb Eberhart | Gordon Haines | Dodge |
| 88 | Negre Racing | Ed Negre | Oldsmobile |
| 98 | Johnny Kieper | John Kieper | Oldsmobile |
| 127 | Lloyd Dane | Lloyd Dane | Mercury |
| 127 | Kiekhaefer Racing | Herb Thomas | Chrysler |