| Teams 1970 Beltsville 300 |
|---|
| No. | Team | Driver | Mfg |
|---|---|---|---|
| 0 | Joe Savoca | Harry Shipe | Ford |
| 4 | John Sears | John Sears | Dodge |
| 4 | Ken Meisenhelder | Ken Meisenhelder | Chevrolet |
| 6 | Castle Racing | Neil Castles | Dodge |
| 8 | Negre Racing | Ed Negre | Ford |
| 10 | Champion Racing | Bill Champion | Ford |
| 19 | Henley Gray Racing | Henley Gray | Ford |
| 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 |
| 34 | Scott Racing | Wendell Scott | Ford |
| 45 | Siefert Racing | Bill Seifert | Ford |
| 48 | Hylton Engineering | James Hylton | Ford |
| 54 | Bill Dennis | Bill Dennis | Chevrolet |
| 64 | Langley Racing | Elmo Langley | Ford |
| 65 | Joe Phipps | Joe Phipps | Chevrolet |
| 67 | Ron Ronacher | Dick May | Ford |
| 70 | McDuffie Racing | J.D. McDuffie | Buick |
| 71 | K&K Racing | Bobby Isaac | Dodge |
| 72 | DeWitt Racing | Benny Parsons | Ford |
| 77 | Bob Freeman | John Kenney | Ford |
| 79 | Warren Racing | Frank Warren | Plymouth |
| 82 | Mack Sellers | John Jennings | Ford |
| 97 | Gordon Racing | Lee Gordon | Ford |