| Teams for 1968 Maine 300 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 0 | Don Tarr | Frank Warren |  |
| 01 | Dennis Holt | Paul Dean Holt |  |
| 2 | J.D. Bracken | Bobby Allison | |
| 3 | Fox Racing | Buddy Baker |  |
| 4 | DeWitt Racing | John Sears | |
| 5 | Rocky Hinton | Pete Hamilton | |
| 06 | Castles Racing | Neil Castles |  |
| 8 | Negre Racing | Ed Negre | |
| 09 | Roy Tyner | Glenn Luce | |
| 17 | Holman-Moody Racing | David Pearson | |
| 20 | Clyde Lynn | Clyde Lynn | |
| 25 | Robertson Racing | Jabe Thomas | |
| 28 | Earl Brooks | Earl Brooks | |
| 34 | Scott Racing | Wendell Scott | |
| 43 | Petty Enterprises | Richard Petty | |
| 44 | Giachetti Brothers Racing | John Winger | |
| 45 | Siefert Racing | Niles Gage | |
| 48 | Hylton Engineering | James Hylton | |
| 49 | GC Spencer Racing | G.C. Spencer | |
| 51 | Margo Hamm | Stan Meserve | |
| 64 | Langley Racing | Elmo Langley | |
| 69 | Ken Cline | David Mote | |
| 70 | McDuffie Racing | J.D. McDuffie |  |
| 71 | K&K Racing | Bobby Isaac | |
| 75 | Gene Black | Bill Seifert | |
| 76 | Don Culpepper | Roy Tyner | |
| 87 | Buck Baker | Buck Baker | |
