| 2 | Emerson FITTIPALDI | Gold Leaf Team Lotus | Lotus | 72D | Ford Cosworth | DFV V8 3.0 | Firestone |
| 3 | Reine WISELL | Gold Leaf Team Lotus | Lotus | 72D | Ford Cosworth | DFV V8 3.0 | Firestone |
| 4 | Jacky ICKX | Scuderia Ferrari SpA SEFAC | Ferrari | 312B2 | Ferrari | 001/1 F12 3.0 | Firestone |
| 5 | Clay REGAZZONI | Scuderia Ferrari SpA SEFAC | Ferrari | 312B2 | Ferrari | 001/1 F12 3.0 | Firestone |
| 6 | Mario ANDRETTI | Scuderia Ferrari SpA SEFAC | Ferrari | 312B2 | Ferrari | 001/1 F12 3.0 | Firestone |
| 8 | Tim SCHENKEN | Motor Racing Developments Ltd | Brabham | BT33 | Ford Cosworth | DFV V8 3.0 | Goodyear |
| 9 | Denny HULME | Bruce McLaren Motor Racing | McLaren | M19A | Ford Cosworth | DFV V8 3.0 | Goodyear |
| 10 | Mark DONOHUE | Penske-White Racing | McLaren | M19A | Ford Cosworth | DFV V8 3.0 | Goodyear |
| 11 | Jackie STEWART | Elf Team Tyrrell | Tyrrell | 003 | Ford Cosworth | DFV V8 3.0 | Goodyear |
| 12 | François CEVERT | Elf Team Tyrrell | Tyrrell | 002 | Ford Cosworth | DFV V8 3.0 | Goodyear |
| 14 | Jo SIFFERT | Yardley Team BRM | BRM | P160 | BRM | P142 V12 3.0 | Firestone |
| 15 | Peter GETHIN | Yardley Team BRM | BRM | P160 | BRM | P142 V12 3.0 | Firestone |
| 16 | Howden GANLEY | Yardley Team BRM | BRM | P160 | BRM | P142 V12 3.0 | Firestone |
| 17 | Ronnie PETERSON | STP March Racing Team | March | 711 | Ford Cosworth | DFV V8 3.0 | Firestone |
| 18 | Nanni GALLI | STP March Racing Team | March | 711 | Ford Cosworth | DFV V8 3.0 | Firestone |
| 19 | Mike BEUTTLER | STP March Racing Team | March | 711 | Ford Cosworth | DFV V8 3.0 | Firestone |
| 20 | Chris AMON | Equipe Matra Sports | Matra | MS120B | Matra | MS71 V12 3.0 | Goodyear |
| 21 | Jean-Pierre BELTOISE | Equipe Matra Sports | Matra | MS120B | Matra | MS71 V12 3.0 | Goodyear |
| 22 | John SURTEES | Brooke Bond Oxo Team Surtees | Surtees | TS9 | Ford Cosworth | DFV V8 3.0 | Firestone |
| 24 | Rolf STOMMELEN | Auto Motor und Sport Team Surtees | Surtees | TS9 | Ford Cosworth | DFV V8 3.0 | Firestone |
| 26 | Chris CRAFT | Ecurie Evergreen | Brabham | BT33 | Ford Cosworth | DFV V8 3.0 | Goodyear |
| 27 | Henri PESCAROLO | Frank Williams Racing Cars | March | 711 | Ford Cosworth | DFV V8 3.0 | Firestone |
| 28 | George EATON | Yardley Team BRM | BRM | P160 | BRM | P142 V12 3.0 | Firestone |
| 31 | Helmut MARKO | Yardley Team BRM | BRM | P153 | BRM | P142 V12 3.0 | Firestone |
| 33 | Skip BARBER | Gene Mason racing | March | 711 | Ford Cosworth | DFV V8 3.0 | Firestone |
| 35 | Pete LOVELY | Pete Lovely Volkswagen Inc. | Lotus | 69 | Ford Cosworth | DFV V8 3.0 | Firestone |
| 37 | Graham HILL | Motor Racing Developments Ltd | Brabham | BT34 | Ford Cosworth | DFV V8 3.0 | Goodyear |