1988 IndyCar season Drivers and constructors Drivers and constructors

| Team | Chassis | Engine | Tires | Drivers |
|---|---|---|---|---|
| Hemelgarn Racing | Lola | Judd / Cosworth / Buick | G | Scott Brayton |
| Hemelgarn Racing | Lola | Judd / Cosworth / Buick | G | Ludwig Heimrath |
| Hemelgarn Racing | Lola | Judd / Cosworth / Buick | G | Ken Johnson |
| Hemelgarn Racing | Lola | Judd / Cosworth / Buick | G | Tom Sneva |
| Gohr Racing | March | Cosworth | G | Rocky Moran |
| Gohr Racing | March | Cosworth | G | Billy Vukovich III |
| Bernstein Racing | Lola | Buick | G | Jim Crawford |
| Bernstein Racing | Lola | Buick | G | Johnny Rutherford |
| Curb Racing | Lola | Cosworth | G | John Andretti |
| Gary Trout Motorsports | March | Cosworth | G | Steve Chassey |
| Gary Trout Motorsports | March | Cosworth | G | Ed Pimm |
| Leader Card Racing | Lola | Cosworth | G | Randy Lewis |