| Teams for 1968 Islip 300 |
|---|
| Car | Team | Driver | Mfg |
|---|---|---|---|
| 3 | Fox Racing | Buddy Baker |  |
| 4 | DeWitt Racing | John Sears |  |
| 8 | Negre Racing | Ed Negre | |
| 25 | Robertson Racing | Jabe Thomas | |
| 28 | Brooks Racing | Earl Brooks | |
| 34 | Scott Racing | Wendell Scott | |
| 43 | Petty Enterprises | Richard Petty |  |
| 44 | Giachetti Brothers Racing | John Winger | |
| 45 | Siefert Racing | Bill Seifert | |
| 48 | Hylton Engineering | James Hylton | |
| 49 | GC Spencer Racing | G.C. Spencer | |
| 70 | McDuffie Racing | J.D. McDuffie |  |
| 71 | K&K Racing | Bobby Isaac | |
| 87 | Buck Baker Racing | Buck Baker |  |
