| 1 | Ensley / Rathmann | Jack Ensley (USA) | | Kurtis Kraft | 500 | | Cadillac | S8.0 | |
| 2 | Rosenberger / Cowdin | A. Rosenberger (USA) | | Nash-Healey | Le Mans | | Nash | S8.0 | |
| 3 | Gray / Ceresole / *McGrade | Walter Gray (USA) | Walter S. Gray | Allard | J2X Le Mans | | Chrysler | S8.0 | |
| 4 | Murphy / Hanks | B. Murphy (USA) | | Kurtis Kraft | | | Buick | S8.0 | |
| 5 | Crawford / *Stroppe / *Daigh | Ray Crawford (USA) | | Kurtis Kraft | | | Lincoln | S8.0 | |
| 6 | Forno / Bucher | Victor V. Forno (USA) | | Jaguar | XK140 | MC | Jaguar | S5.0 | Production 9 |
| 7 | Kimberly / Lunken | James Kimberly (USA) | | Ferrari | 375 Plus | | Ferrari | S5.0 | |
| 8 | Van Beuren / Towle | Fred T. VanBeuren (MEX) | | Van Beuren | Special | | Chrysler | S5.0 | |
| 9 | Scherer / Davis | Fred G. Scherer (USA) | | Ford | Thunderbird | | Ford | S5.0 | Production 10 |
| 10 | Shakespeare / Lippmann / *Chinetti | J. W. Shakespeare (USA) | | Ferrari | 375 MM | | Ferrari | S5.0 | |
| 11 | McAfee / Drake | Tony Parravano (USA) | | Ferrari | 375 MM | | Ferrari | S5.0 | |
| 12 | Wing / Katskee | Loyal Katskee (USA) | Loyal Katskee | Jaguar | C-type | | Jaguar | S5.0 | Production 9 |
| 12A | Morales / Munoz | Chester J. Flynn (YV) | | Ferrari | 340 America | | Ferrari | S5.0 | |
| 14 | Boss / Kaplan | Jacob Kaplan (USA) | | Jaguar | C-type | | Jaguar | S5.0 | Production 9 |
| 15 | Wallace / Thompson | Jack Pry (USA) | | Jaguar | XK140 | MC | Jaguar | S5.0 | Production 9 |
| 16 | Dagavar / Garz | Fred Dagavar (USA) | | Jaguar | XK120 | | Jaguar | S5.0 | Production 9 |
| 17 | Wyllie / Cracraft | Dr. M. R. J. Wyllie (USA) | | Jaguar | XK140 | | Jaguar | S5.0 | Production 9 |
| 18 | Rice / Grossman | Dr. Dolph Vilardi (USA) | | Jaguar | XK140 | MC | Jaguar | S5.0 | Production 9 |
| 19 | Hawthorn / Walters | B. S. Cunningham (USA) | | Jaguar | D-type | | Jaguar | S5.0 | |
| 21P | Art Bunker | Art Bunker (USA) | Arthur Bunker, Jr. | Porsche | 550 | | Porsche | S1.5 | |
| 24 | McAfee / Wheeler | Wm. H. Doheny (USA) | William Doheny | Ferrari | 750 Monza | Scaglietti Spyder | Ferrari | S3.0 | |
| 25 | Hill / Shelby | Allen Guiberson (USA) | Allen Guiberson | Ferrari | 750 Monza | Scaglietti Spyder Series I | Ferrari | S3.0 | |
| 26 | de Portago / Maglioli | Marquis de Portago (E) | | Ferrari | 750 Monza | | Ferrari | S3.0 | |
| 27 | Said / Gregory | Ecurie Yankee (USA) | | Ferrari | 750 Monza | | Ferrari | S3.0 | |
| 28 | Taruffi / Schell | Luigi Chinetti (USA) | Luigi Chinetti | Ferrari | 750 Monza | Scaglietti Spyder | Ferrari | S3.0 | |
| 29 | Edwards / Daigh / *Penn / *Lippmann | Manfredo Lippmann (GUA) | | Ferrari | 750 Monza | | Ferrari | S3.0 | |
| 29T | Edwards / Flynn | Manfredo Lippmann (GUA) | | Ferrari | 250 Monza | Scaglietti Spyder | Ferrari | S3.0 | |
| 31? | Woodnorth / Makins | Rees T. Makins & Herman Rutson (USA) | | Mercedes-Benz | 300 SL | | Mercedes-Benz | S3.0 | Production 9 |
| 32 | Flynn / Munoz / *Gonzalez | Chester J. Flynn (YV) | | Mercedes-Benz | 300 SL | | Mercedes-Benz | S3.0 | Production 9 |
| 33 | Pola / Croquer / *Dobbins | Pancho P. Croquer (YV) | | Mercedes-Benz | 300 SL | | Mercedes-Benz | S3.0 | Production 9 |
| 35 | Spear / Johnston | William C. Spear (USA) | William Spear | Maserati | 300S | | Maserati | S3.0 | |
| 36 | Valenzano / Perdisa | Maserati Co. & B. S. Cunningham (I) | | Maserati | 300S | | Maserati | S3.0 | |
| 37 | Cunningham / Bennett / *Walters | B. S. Cunningham (USA) | | Cunningham | C-6R | | Offenhauser | S3.0 | |
| 38 | Giubardo / Wolf | Joseph Guibardo (USA) | | Austin-Healey | 100 | M | BMC | S3.0 | |
| 39 | Wonder / Wellenberg, Jr. | Wm. Wellenberg, Jr. (USA) | | Austin-Healey | 100 | M | BMC | S3.0 | |
| 40 | Cook / Lansing | Hobart A. H. Cook (USA) | | Austin-Healey | 100 | S | BMC | S3.0 | Production 9 |
| 41 | Milliken / Smalley | Bill Milliken, Jr. (USA) | | Austin-Healey | 100 | | BMC | S3.0 | Production 9 |
| 41A | McPherson / Fergus / Watts | Robt. H. Fergus (USA) | Robert Fergus | Austin-Healey | 100 | S | BMC | S3.0 | Production 9 |
| 42 | Cooper / Jackson-Moore / *Fenner | Jack Cooper (USA) | | Austin-Healey | 100 | S | BMC | S3.0 | Production 9 |
| 43 | Fergusson / Keith / *Wilder | Jas. F. Fergusson (CDN) | | Austin-Healey | 100 | S | BMC | S3.0 | Production 9 |
| 44 | Moss / Macklin | Donald Healey Motor Co. (GB) | | Austin-Healey | 100 | S | BMC | S3.0 | Production 9 |
| 45 | Brewster / Rutan | Wm. Brewster (USA) | | Austin-Healey | 100 | S | BMC | S3.0 | Production 9 |
| 46 | Ehrman / Allen | Fred F. Allen (USA) | | Austin-Healey | 100 | S | BMC | S3.0 | Production 9 |
| 47 | Ullrich / Gary | Brooks Stevens (USA) | | Excalibur | J | | Willys | S3.0 | |
| 48 | Feld / Ballenger / *Gary / *Crawford | Brooks Stevens (USA) | | Excalibur | J | | Willys | S3.0 | |
| 49 | Oakes / Oakes | Sir Sydney Oakes (BS) | | Austin-Healey | 100 | M | BMC | S3.0 | Production 9 |
| 50 | Palmer-Morewood / Derujinsky / Gregory | Ecurie Yankee (USA) | Bob Said | Ferrari | 500 Mondial | Scaglietti Spyder Series I | Ferrari | S2.0 | |
| 51 | Mott / Skogmo | John F. Ellwood (USA) | | Triumph | TR2 | | Triumph | S2.0 | Production 7 |
| 52 | Weitz / MacKenzie | John Weitz (USA) | | Morgan | Plus 4 | | Triumph | S2.0 | Production 7 |
| 53 | Rubirosa / Niday / *Fargarson | Porfirio Rubirosa (USA) | | Ferrari | 500 Mondial | | Ferrari | S2.0 | |
| 54 | Friedmann / Brocken | T. A. Friedmann (USA) | | Maserati | A6GCS | /53 | Maserati | S2.0 | |
| 55 | Rothschild / Kunz | M. G. Rothschild (USA) | | Morgan | Plus 4 | | Triumph | S2.0 | Production 7 |
| 57 | Norwood / Vitale | John H. Norwood (USA) | | Arnolt-Bristol | Bolide | | Bristol | S2.0 | Production 7 |
| 58 | Dreyfus / Grier | S. H. Arnolt (USA) | | Arnolt-Bristol | Bolide | | Bristol | S2.0 | Production 7 |
| 59 | Arnolt / Goldich / *Quintanilla / *Panks | S. H. Arnolt (USA) | S. H. Arnolt | Arnolt-Bristol | Bolide | | Bristol | S2.0 | Production 7 |
| 60 | Panks / Erickson / *Arnolt / *Goldich / *Quintanilla | S. H. Arnolt (USA) | | Arnolt-Bristol | Bolide | | Bristol | S2.0 | Production 7 |
| 61 | Davis / Poole | Robert H. Davis (USA) | Robert Davis | Porsche | 550 | Spyder | Porsche | S1.5 | |
| 62 | Crawford / Urbas | Ed W. Crawford (USA) | Ed Crawford | Porsche | 550 | | Porsche | S1.5 | |
| 63 | Braniff / Velasquez | Carlos Braniff Cornejo (MEX) | | Osca | MT4 | 1500 | Osca | S1.5 | Production 6 |
| 64 | Lloyd / Huntoon | B. S. Cunningham (USA) | Briggs S. Cunningham | Osca | MT4 | 1450 | Osca | S1.5 | |
| 65 | Chapman / Bell / *Porter / *Balthaser | Harry A. Chapman (USA) | Harry Chapman | Osca | MT4 | 1500 | Osca | S1.5 | Production 6 |
| 66 | Stewart / Boynton | Philip B. Stewart (USA) | | Osca | MT4 | 1500 | Osca | S1.5 | Production 6 |
| 67 | Hunt / Hanna | Howard Hanna (USA) | | Porsche | 550 | | Porsche | S1.5 | |
| 68 | von Hanstein / Linge | Porsche Co. & B. S. Cunningham (D) | Briggs Cunningham | Porsche | 550 | | Porsche | S1.5 | |
| 69 | Atkins / McKenna | Guy Atkins (USA) | | Porsche | 356 | 1500 Super | Porsche | S1.5 | |
| 70 | Crawford / Urbas | Ed W. Crawford (USA) | Ed Crawford/John Urbas | Porsche | 550 | | Porsche | S1.5 | |
| 71 | Toland / Hoffstein / *Hanna | Richard H. R. Toland (USA) | | Denzel | | | VW | S1.5 | |
| 72 | Christianson / McKnought | Norman Christianson (USA) | Norman Christianson | Porsche | 550 | | Porsche | S1.5 | |
| 73 | Linton / Stetson | Speedcraft Enterprises (USA) | Otto Linton | Osca | MT4 | 1350 | Osca | S1.5 | |
| 74 | Hansgen / Eager | George E. Tilp (USA) | | Osca | MT4 | 1350 | Osca | S1.5 | |
| 75 | Brundage / Fowler / DuPree | H. L. Brundage (USA) | | Porsche | 356 | Coupé 1300 | Porsche | S1.5 | Production 5 |
| 76 | Ash / Black | David Ash (USA) | | MG | TF | | MG | S1.5 | Production 5 |
| 77 | Ryan / Kinne / *Fowler | John E. Ryan (USA) | | MG | TF | | MG | S1.5 | Production 5 |
| 78 | Scott / Samuelson | Bobbie Burns & Norman J. Scott, Jr, (USA) | | Lotus | Mark IX | | Climax | S1.1 | |
| 79 | Miller / Rabe | Frank Miller (USA) | | Lotus | Mark IX | | Climax | S1.1 | |
| 80 | Bentley / McGee | John Bentley (USA) | | Abarth | 207A | Spyder | Fiat | S1.1 | |
| 81 | O'Shea / Koster | Hoffmann Porsche Corp. (USA) | | Porsche | 550 | | Porsche | S1.1 | |
| 82 | Conley / Thorpe | Austin L. Conley (USA) | | Siata | 300BC | | Fiat | S1.1 | |
| 83 | Irish / Haskell | Isabelle Haskell (GB) | | Bandini | | | Fiat | S1.1 | |
| 84 | Penn / Wierdon | John S. Penn (USA) | | Siata | 300BC | | Fiat | S1.1 | |
| 85 | Hannaway / Osborne | Dr. Raymond Osborne (USA) | | Kieft | Sport | | Fiat | S1.1 | |
| 86 | Rédélé / Pons / *Landon | Regie Renault Co. (F) | | Renault | 4CV | 1063 | Renault | S750 | |
| 87 | Pons / Manzon / Hébert | Regie Renault Co. (F) | | Renault | 4CV | 1063 | Renault | S750 | |
| 88 | Miller / Attaway / *Robertson | Int. Auto Sales Co. (USA) | | Renault | 4CV | 1063 | Renault | S750 | |
| 89 | MacArthur / Gougelman | Sandy MacArthur (USA) | | Bandini | Kiekhaeffer | | Mercury | S750 | |
| 100 | Pauley / Michaels | James E. Pauley (USA) | | Siata | 208CS | Balbo | Siata | S2.0 | |
| T | S. H. Arnolt | S. H. Arnolt (USA) | | Arnolt-Bristol | Bolide | | Bristol | S2.0 | |
| *Huggler / *Mull | John Barnes Mull (USA) | | Jaguar | XK120 | Coupe | Jaguar | S5.0 | Production 9 |
| Christie / Trotter / Parrington | C. Walter Christie (USA) | | Austin-Healey | 100 | | BMC | S3.0 | Production 9 |
| Carveth / Blackburn | Rod Carveth (USA) | | Allard | J2X | | Cadillac | S8.0 | |
| Dressel / Woodbury | Jos. H. Dressel (USA) | | Nash-Healey | Series 25 | | Nash | S5.0 | |
| Stiles / Byron | Ship & Shore Motors (USA) | Phil Stiles | Austin-Healey | 100 | | BMC | S3.0 | Production 9 |
| Bulck / Bulck | Emil Bulck (USA) | | Austin-Healey | 100 | | BMC | S3.0 | Production 9 |
| Carson / Hastings | Howard Hanna (USA) | | Swallow | Doretti | | Triumph | S2.0 | Production 7 |
| Losee / Kinchloe | Cmdr. Fred L. Losee (USA) | | Veritas | Comet RS | | | S2.0 | |
| Smith / Sheppard | Joe Sheppard | | Lotus | Mark IX | | Climax | S1.1 | |
| Dantone / Seeberg | Billy J. Dantone (USA) | | Austin-Healey | 100 | | BMC | S3.0 | Production 9 |
| Wessells / duPont | Henry W. Wessells (USA) | Henry Wessells | Osca | MT4 | 1350 | Osca | S1.5 | |
| Makins / Bott / Scheffer | Hector Scheffer (USA) | Hector S. Scheffer | Osca | MT4 | 1500 | Osca | S1.5 | |
| Browne, Jr. / Wilson / Evans | C. Pitt Browne, Jr. (USA) | | Porsche | 356 | Coupé | Porsche | S1.5 | Production 6 |
| Brecht / Lindenmeier | Charles Brecht (USA) | | Crosley | Hotshot | | Crosley | S750 | |
| Deshon / Quackenbush | Ralph Deshon (USA) | | Bandini | | | Crosley | S750 | |