- Walt Ader, Emil Andres, Bill Cantrell, Joie Chitwood, Myron Fohr & Bayliss Levrett (all 1950)
- Walt Brown, Cecil Green, Mack Hellings, Mauri Rose & Lee Wallard (all 1950β1951)
- Jimmy Davies & Walt Faulkner (1950β1951, 1953β1955)
- Duke Dinsmore (1950β1951, 1953, 1956)
- Henry Banks, George Connor, Johnny McDowell & Bill Schindler (all 1950β1952)
- Jack McGrath (1950β1955)
- Duane Carter (1950β1955, 1959β1960)
- Fred Agabashian & Sam Hanks (1950β1957)
- Johnnie Parsons (1950β1958)
- Troy Ruttman (1950β1958, 1960)
- Tony Bettenhausen, Paul Russo & Harry Schell (all 1950β1960)
- Spider Webb (1950, 1952β1954)
- Gene Hartley & Jim Rathmann (1950, 1952β1960)
- Bill Holland & Jackie Holmes (1950, 1953)
- Jerry Hoyt (1950, 1953β1955)
- Pat Flaherty (1950, 1953β1956, 1959)
- Jimmy Jackson (1950, 1954)
- Dick Rathmann (1950, 1956, 1958β1960)
- Carl Forberg & Bill Mackey (1951)
- Bobby Ball, Joe James & Chet Miller (1951β1952)
- Cliff Griffith (1951β1952, 1956)
- Duke Nalon (1951β1953)
- Manny Ayulo (1951β1954)
- Chuck Stevenson (1951β1954, 1960)
- Bill Vukovich (1951β1955)
- Andy Linden (1951β1957)
- Rodger Ward (1951β1960, 1963)
- Carl Scarborough (1951, 1953)
- Mike Nazaruk (1951, 1953β1954)
- Gene Force (1951, 1960)
- Robert O'Brien & Jim Rigsby (1952)
- Bob Scott (1952β1954)
- Art Cross (1952β1955)
- Bob Sweikert (1952β1956)
- Jimmy Bryan & Eddie Johnson (1952β1960)
- George Fonder (1952, 1954)
- Jimmy Reece (1952, 1954β1958)
- Johnny Mantz (1953)
- Ernie McCoy & Fred Wacker (1953β1954)
- Marshall Teague (1953β1954, 1957)
- Cal Niday (1953β1955)
- Jimmy Daywalt (1953β1957, 1959)
- Don Freeland & Johnny Thomson (1953β1960)
- John Fitch (1953, 1955)
- Frank Armi, Larry Crockett & Len Duncan (all 1954)
- Bill Homeier (1954β1955, 1960)
- Ed Elisian & Pat O'Connor (1954β1958)
- Keith Andrews (1955β1956)
- Ray Crawford (1955β1956, 1959)
- Al Herman (1955β1957, 1959β1960)
- Eddie Russo (1955β1957, 1960)
- Al Keller (1955β1959)
- Johnny Boyd (1955β1960)
- Chuck Weyant (1955, 1957β1959)
- Shorty Templeman (1955, 1958, 1960)
- Johnnie Tolan (1956β1958)
- Jack Turner (1956β1959)
- Bob Christie & Bob Veith (1956β1960)
- Billy Garrett (1956, 1958)
- Don Edmunds, Elmer George & Herbert MacKay-Fraser (all 1957)
- Bill Cheesbourg & Mike Magill (1957β1959)
- Eddie Sachs (1957β1960)
- Masten Gregory (1957β1963, 1965)
- George Amick, Art Bisch, Bruce Kessler & Jerry Unser Jr. (all 1958)
- Jud Larson & Carroll Shelby (1958β1959)
- A. J. Foyt, Paul Goldsmith & Len Sutton (1958β1960)
- Phil Hill (1958β1964, 1966)
- Dempsey Wilson (1958, 1960)
- Chuck Arnold, Harry Blanchard, Phil Cade, George Constantine & Bob Said (all 1959)
- Red Amick, Don Branson, Bobby Grim & Jim McWithey (all 1959β1960)
- Pete Lovely (1959β1960, 1969β1971)
- Dan Gurney (1959β1968, 1970)
- Chuck Daigh, Bob Drake, Fred Gamble, Jim Hurtubise, Lance Reventlow, Alfonso Thiele, Bud Tingelstad & Wayne Weiler (all 1960)
- Lloyd Ruby (1960β1961)
- Jim Hall (1960β1963)
- Richie Ginther (1960β1967)
- Roger Penske (1961β1962)
- Hap Sharp (1961β1964)
- Walt Hansgen (1961, 1964)
- Jay Chamberlain, Timmy Mayer & Rob Schroeder (all 1962)
- Tony Settember (1962β1963)
- Frank Dochnal & Thomas Monarch (1963)
- Ronnie Bucknum (1964β1966)
- Peter Revson (1964, 1971β1974)
- Bob Bondurant (1965β1966)
- Mike Fisher & Tom Jones (1967)
- Bobby Unser (1968)
- Mario Andretti (1968β1972, 1974β1982)
- Gus Hutchison (1970)
- Skip Barber & Sam Posey (1971β1972)
- Mark Donohue (1971, 1974β1975)
- George Follmer (1973)
- Brett Lunger (1975β1978)
- Danny Ongais (1977β1978)
- Bobby Rahal (1978)
- Eddie Cheever (1978, 1980β1989)
- Kevin Cogan (1980β1981)
- Danny Sullivan (1983)
- Michael Andretti (1993)
- Scott Speed (2006β2007)
- Alexander Rossi (2015)
- Logan Sargeant (2023βpresent)
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