| Teams for 1973 Mason-Dixon 500 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 01 | Canavan Racing | Earle Canavan |  |
| 2 | Penske Racing | Dave Marcis | AMC Matador |
| 4 | J. Marvin Mills | John Sears |  |
| 05 | McGee Racing | David Sisco |  |
| 06 | Castles Racing | Neil Castles | |
| 7 | Dalton Racing | Dean Dalton |  |
| 8 | Negre Racing | Ed Negre | |
| 10 | Champion Racing | Bill Champion | |
| 11 | Howard & Egerton Racing | Cale Yarborough | |
| 12 | Bobby Allison Motorsports | Bobby Allison | |
| 14 | Cunningham-Kelley Racing | Coo Coo Marlin | |
| 15 | Bud Moore Engineering | Bobby Isaac |  |
| 19 | Henley Gray Racing | Henley Gray | |
| 20 | Newsom Racing | Rick Newsom | |
| 21 | Wood Brothers Racing | David Pearson | |
| 22 | Crawford Racing | Jimmy Crawford | |
| 24 | Gordon Racing | Cecil Gordon | |
| 25 | Robertson Racing | Jabe Thomas | |
| 29 | Hollar Racing | Bill Hollar | |
| 30 | Ballard Racing | Walter Ballard | |
| 40 | Ulrich Racing | D.K. Ulrich | |
| 43 | Petty Enterprises | Richard Petty | |
| 44 | Brown Racing | Richard D. Brown | |
| 45 | Siefert Racing | Vic Parsons | |
| 47 | Williams Racing | Raymond Williams | |
| 48 | Hylton Engineering | James Hylton | |
| 49 | GC Spencer Racing | G.C. Spencer | |
| 54 | Elder-Ranier Racing | Lennie Pond | |
| 64 | Langley Racing | Elmo Langley | |
| 67 | Arrington Racing | Buddy Arrington | |
| 70 | McDuffie Racing | J.D. McDuffie | |
| 71 | K&K Racing | Buddy Baker | |
| 72 | DeWitt Racing | Benny Parsons | |
| 77 | Charlie Roberts | Charlie Roberts | |
| 79 | Warren Racing | Frank Warren | |
| 83 | Norris Reed | Paul Tyler | |
| 88 | DiGard Racing | Donnie Allison | |
| 90 | Donlavey Racing | Eddie Pettyjohn | |
| 96 | Garn Racing | Richard Childress | |
| 98 | Mel Larson | Mel Larson | |
