| Teams 1970 Thompson Speedway 200 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 4 | Ken Meisenhelder | Ken Meisenhelder | Chevrolet |
| 4 | John Sears | John Sears | Dodge |
| 6 | Castle Racing | Neil Castles | Dodge |
| 8 | Negre Racing | Ed Negre | Ford |
| 10 | Champion Racing | Bill Champion | Ford |
| 18 | Frasson Racing | Joe Frasson | Plymouth |
| 22 | Bobby Allison Motorsports | Bobby Allison | Dodge |
| 23 | Robertson Racing | James Cox | Plymouth |
| 24 | Gordon Racing | Cecil Gordon | Ford |
| 25 | Robertson Racing | Jabe Thomas | Plymouth |
| 30 | Marcis Auto Racing | Dave Marcis | Dodge |
| 32 | Dick Brooks Racing | Dick Brooks | Plymouth |
| 34 | Scott Racing | Wendell Scott | Ford |
| 43 | Petty Enterprises | Richard Petty | Plymouth |
| 45 | Siefert Racing | Bill Seifert | Ford |
| 47 | Siefert Racing | Raymond Williams | Ford |
| 48 | Hylton Engineering | James Hylton | Ford |
| 49 | GC Spencer Racing | G.C. Spencer | Plymouth |
| 62 | K-Automotive Performance | Ron Keselowski | Dodge |
| 64 | Langley Racing | Elmo Langley | Mercury |
| 67 | Ron Ronacher | Dick May | Ford |
| 68 | Allan Schlauer | Larry Baumel | Ford |
| 70 | McDuffie Racing | J.D. McDuffie | Mercury |
| 71 | K&K Racing | Bobby Isaac | Dodge |
| 72 | DeWitt Racing | Benny Parsons | Ford |
| 74 | Shirey Racing | Bill Shirey | Plymouth |
| 77 | Bob Freeman | John Kenney | Ford |
| 79 | Warren Racing | Frank Warren | Plymouth |
| 82 | Mack Sellers | John Jennings | Ford |