| Teams 1972 Northern 300 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 1 | Canavan Racing | Earle Canavan | Plymouth |
| 2 | Marcis Auto Racing | Dave Marcis | Dodge |
| 4 | J. Marvin Mills | John Sears | Plymouth |
| 6 | Castle Racing | Neil Castles | Dodge |
| 7 | Dalton Racing | Dean Dalton | Mercury |
| 8 | Negre Racing | Ed Negre | Dodge |
| 10 | Champion Racing | Bill Champion | Ford |
| 12 | Howard & Egerton Racing | Bobby Allison | Chevrolet |
| 19 | Henley Gray Racing | Henley Gray | Ford |
| 23 | Robertson Racing | Ed Hessert | Plymouth |
| 24 | Gordon Racing | Cecil Gordon | Mercury |
| 25 | Robertson Racing | Jabe Thomas | Plymouth |
| 26 | Brooks Racing | Earl Brooks | Ford |
| 30 | Vic Ballard | Walter Ballard | Mercury |
| 34 | Scott Racing | Wendell Scott | Ford |
| 40 | US Racing | D.K. Ulrich | Ford |
| 43 | Petty Enterprises | Richard Petty | Plymouth |
| 47 | Williams Racing | Raymond Williams | Ford |
| 48 | Hylton Engineering | James Hylton | Ford |
| 57 | David Ray Boggs | David Ray Boggs | Dodge |
| 60 | Bob Greely | Bob Greeley | Plymouth |
| 64 | Langley Racing | Elmo Langley | Ford |
| 66 | Blank & Kalashian | Fred Drake | Pontiac |
| 70 | McDuffie Racing | J.D. McDuffie | Chevrolet |
| 71 | K&K Racing | Bobby Isaac | Dodge |
| 72 | DeWitt Racing | Benny Parsons | Mercury |
| 74 | Shirey Racing | Bill Shirey | Plymouth |
| 77 | Roberts Racing | Charlie Roberts | Ford |
| 79 | Warren Racing | Frank Warren | Dodge |
| 81 | Cox Racing | A.J. Cox | Dodge |
| 90 | Donlavey Racing | Fred Lorenzen | Ford |
| 92 | Harley Smith | Larry Smith | Ford |
| 96 | Richard Childress Racing | Richard Childress | Chevrolet |