1980 IndyCar season Drivers and constructors Drivers and constructors

| Team | Chassis | Engine | Tires | Drivers |
|---|---|---|---|---|
| Scientific Drilling | Penske | Cosworth | G | Dennis Firestone |
| Guarantee | Lightning | Chevrolet | G | Hurley Haywood |
| Tonco Trailer | McLaren Gerhardt Karl | Chevrolet | G | Jerry Karl |
| Simon Racing | Vollstedt | Offy | G | Dick Simon |
| Advance Clean Sweep | Wildcat | Chevrolet | G | Roger Rager |
| McElreath Racing | Penske | Cosworth | G | Jim McElreath |
| Hopkins Racing | Lightning | Offy Cosworth | G | Johnny Parsons |
| Kraco Racing | Wildcat | DGS Offy | G | Larry Cannon |
| Vetrock Racing | Eagle | Offy | G | Dean Vetrock |
| Machinists Union | IAM | Chevrolet | G | Phil Threshie Larry Dickson |
| Cargo Master | Manta | Offy | G | Dick Ferguson |
| Parts Washer Service | Eagle Penske | Offy | G | Chip Mead |
| Parts Washer Service | Eagle Penske | Offy | G | John Mahler |