| Website | Country | Est. | Products | |
|---|---|---|---|---|
| Axiro |  UK |
0 | ||
| BOSCH Motorsports |  Germany |
0 | ||
| BRIGGS & STRATTON Racing Engine |  US |
1991 | 0 | |
| Comer TopKart |  Italy |
1980 | 0 | |
| Electric Karting |  Belgium |
0 | ||
| Electric Motorsports | US |
2001 | 0 | |
| Honda Go Kart Engines |  Japan |
1953 | 0 | |
| IAME | Italy |
1968 | 0 | |
| ID Engines |  Netherlands |
0 | ||
| J3 Competition - COMPKART | US |
2008 | 0 | |
| LENZO KART | Italy |
0 | ||
| Mega Engine | Germany |
0 | ||
| Meswel | Netherlands |
0 | ||
| Modena Engines | Italy |
0 | ||
| Parolin | Italy |
1986 | 0 | |
| PRD Race Engines |  Australia |
1995 | 0 | |
| Rotax Kart | Germany |
1980 | 0 | |
| Swissauto |  Switzerland |
2000 | 0 | |
| Tal KO Racing | UK |
1961 | 0 | |
| Thunder Struck Motors | US |
0 | ||
| Tillotson | US |
0 | ||
| TM Racing | Italy |
1976 | 0 | |
| Torini Kart Engines | Australia |
1991 | 0 | |
| VORTEX Engines | Italy |
1995 | 0 | |
| WRIGHT KARTS | UK |
0 | ||
| Yamaha Kart Engine | Japan |
0 |