1988 IndyCar season Drivers and constructors Drivers and constructors

| Team | Chassis | Engine | Tires | Drivers |
|---|---|---|---|---|
| Dick Simon Racing | Lola | Cosworth | G | Fulvio Ballabio |
| Dick Simon Racing | Lola | Cosworth | G | Tero Palmroth |
| Dick Simon Racing | Lola | Cosworth | G | Jean-Pierre Frey |
| A. J. Foyt Enterprises | Lola | Cosworth | G | A. J. Foyt |
| A. J. Foyt Enterprises | Lola | Cosworth | G | Johnny Rutherford |
| A. J. Foyt Enterprises | Lola | Cosworth | G | Johnny Parsons |
| A. J. Foyt Enterprises | March | Cosworth | G | Rocky Moran |
| A. J. Foyt Enterprises | March | Chevrolet | G | Stan Fox |
| Bettenhausen Motorsports | Lola / March | Cosworth / Judd | G | Tony Bettenhausen, Jr. |
| Bettenhausen Motorsports | Lola / March | Cosworth / Judd | G | Dennis Vitolo |
| Alex Morales Motorsports | March | Cosworth | G | Howdy Holmes |