| Teams 1972 National 500 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 0 | George Althied | G.C. Spencer | Dodge |
| 1 | Canavan Racing | Earle Canavan | Chevrolet |
| 2 | Marcis Auto Racing | Roger McCluskey | Dodge |
| 3 | Frank Vasko | Tommy Gale | Mercury |
| 4 | Thomas Hynes | Harry Schilling | Chevrolet |
| 4 | J. Marvin Mills | John Sears | Plymouth |
| 5 | McGee Racing | Jabe Thomas | Chevrolet |
| 6 | Castle Racing | Neil Castles | Plymouth |
| 7 | Dalton Racing | Dean Dalton | Mercury |
| 8 | Negre Racing | Ed Negre | Dodge |
| 9 | Housby Racing | Pete Hamilton | Plymouth |
| 10 | Champion Racing | Bill Champion | Mercury |
| 12 | Howard & Egerton Racing | Bobby Allison | Chevrolet |
| 14 | Cunningham-Kelley Racing | Coo Coo Marlin | Chevrolet |
| 15 | Bud Moore Engineering | Donnie Allison | Ford |
| 16 | Team Penske | Dave Marcis | AMC Matador |
| 17 | H.J. Brooking | Bill Dennis | Chevrolet |
| 18 | Frasson Racing | Joe Frasson | Dodge |
| 19 | Henley Gray Racing | Henley Gray | Ford |
| 21 | Wood Brothers Racing | David Pearson | Mercury |
| 22 | Crawford Brothers | Gordon Johncock | Plymouth |
| 24 | Gordon Racing | Cecil Gordon | Mercury |
| 27 | Matthews Racing | Bobby Isaac | Chevrolet |
| 28 | Ellington Racing | Cale Yarborough | Chevrolet |
| 30 | Vic Ballard | Walter Ballard | Mercury |
| 31 | O.L. Nixon Racing | Jim Vandiver | Dodge |
| 41 | Wood Brothers Racing | A.J. Foyt | Mercury |
| 43 | Petty Enterprises | Richard Petty | Dodge |
| 45 | Siefert Racing | Dick Brooks | Mercury |
| 47 | Williams Racing | Raymond Williams | Ford |
| 48 | Hylton Engineering | James Hylton | Mercury |
| 64 | Langley Racing | Elmo Langley | Ford |
| 67 | Arrington Racing | Buddy Arrington | Dodge |
| 71 | K&K Racing | Buddy Baker | Dodge |
| 72 | DeWitt Racing | Benny Parsons | Mercury |
| 76 | Ben Arnold | Ben Arnold | Ford |
| 79 | Warren Racing | Frank Warren | Dodge |
| 83 | Norris Reed | David Ray Boggs | Mercury |
| 88 | Lubinski Racing | Ron Keselowski | Dodge |
| 90 | Donlavey Racing | Butch Hartman | Ford |
| 92 | Harley Smith | Larry Smith | Ford |
| 95 | Darrell Waltrip Motorsports | Darrell Waltrip | Mercury |
| 98 | Donlavey Racing | Richard D. Brown | Ford |
| 99 | Nichels Engineering | Bobby Unser | Chevrolet |