| Constructor, activate to sort | Nationality | Starts, activate to sort | Wins, sorted ascending. Activate to reverse. | Titles |
|---|---|---|---|---|
| Kauhsen | German | 0 | 0 | 0 |
| Klenk | German | 1 | 0 | 0 |
| Kojima | Japanese | 2 | 0 | 0 |
| LDS |
| 3 |
| 0 |
| 0 |
| LDS-Alfa Romeo | South African | 1 | 0 | 0 |
|---|
| LDS-Climax | South African | 1 | 0 | 0 |
|---|
| LEC | British | 3 | 0 | 0 |
|---|
| Lambo | Italian | 6 | 0 | 0 |
|---|
| Lancia | Italian | 4 | 0 | 0 |
|---|
| Langley | American | 1 | 0 | 0 |
|---|
| Larrousse | French | 113 | 0 | 0 |
|---|
| Lesovsky | American | 8 | 0 | 0 |
|---|
| Leyton House | British | 30 | 0 | 0 |
|---|
| Life | Italian | 0 | 0 | 0 |
|---|
| Lola | British | 86 | 0 | 0 |
|---|
| Lotus | Malaysian | 38 | 0 | 0 |
|---|
| Lotus-Borgward | British | 1 | 0 | 0 |
|---|
| Lotus-Maserati | British | 2 | 0 | 0 |
|---|
| Lotus-Pratt & Whitney | British | 3 | 0 | 0 |
|---|
| Lyncar | British | 1 | 0 | 0 |
|---|
| MBM | Swiss | 1 | 0 | 0 |
|---|
| MF1 | Russian | 14 | 0 | 0 |
|---|
| Maki | Japanese | 1 | 0 | 0 |
|---|
| Manor Marussia | British | 39 | 0 | 0 |
|---|
| March-Alfa Romeo | British | 8 | 0 | 0 |
|---|