| Teams for 1973 Alamo 500 |
|---|
| Car | Team | Driver | Mfg |
|---|---|---|---|
| 04 | Mel Larson | Mel Larson |  |
| 05 | McGee Racing | David Sisco |  |
| 7 | Dean Dalton | Dean Dalton |  |
| 8 | Negre Racing | Ed Negre |  |
| 9 | Jack Housby | Ramo Stott |  |
| 10 | Champion Racing | Bill Champion | |
| 11 | Richard Howard | Cale Yarborough | |
| 12 | Bobby Allison Motorsports | Bobby Allison | |
| 14 | Cunningham-Kelley Racing | Coo Coo Marlin | |
| 15 | Bud Moore Engineering | Bobby Isaac | |
| 18 | Frasson Racing | Joe Frasson | |
| 19 | Henley Gray Racing | Henley Gray | |
| 20 | Newsom Racing | Rick Newsom | |
| 22 | Crawford Brothers | Jimmy Crawford | |
| 24 | Cecil Gordon | Cecil Gordon | |
| 25 | Don Robertson | Jabe Thomas | |
| 30 | Ballard Racing | Walter Ballard | |
| 36 | H.B. Bailey | H.B. Bailey |  |
| 38 | Gordon Van Liew | Tony Bettenhausen, Jr. | |
| 40 | D.K. Ulrich | D.K. Ulrich | |
| 42 | Marty Robbins Racing | Marty Robbins | |
| 43 | Richard Petty | Richard Petty | |
| 47 | Raymond Williams | Raymond Williams | |
| 48 | James Hylton | James Hylton | |
| 54 | Elder-Ranier Racing | Lennie Pond | |
| 61 | B & B Racing | Ed Sczech | |
| 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 | Roberts Racing | Charlie Roberts | |
| 79 | Frank Warren | Frank Warren | |
| 95 | Darrell Waltrip | Darrell Waltrip | |
| 96 | Garn Racing | Richard Childress | |
| 98 | Donlavey Racing | Richie Panch | |
