About Us
GRIMONPREZ TRANSMISSION GEARS, is a company with more than 70 years of know-how in the cutting of gears and the manufacture of transmission components. Its high quality service and responsiveness have allowed it to build a worldwide reputation for serving its customers in the most demanding industries such as
- Aeronautics
- Defense & armament
- Energy
- Construction and mining equipment
- Automotive competition
- Agricultural machinery
- Lifting industry
With two production sites, in Belgium and in France, GRIMONPREZ TRANSMISSION GEARS is positioned as the first-rate partner in your prototypes and small, medium-sized repetitive production projects, in a fully integrated manner.
Customer satisfaction is part of its first commitment by always listening and proposing effective solutions.

From research to production
A bright future for the manufacture of transmission components in Europe

Sustainable development
In a constant desire to increase our productivity while reducing our ecological footprint, SUB-ALLIANCE parent company of the company GRIMONPREZ pursues a policy of synergy between the manufacture of high-precision components and the use of materials appropriate for the end use.
By using this sustainability methodology, we are often able to reduce the weight of your products. The energy consumption to use, move or fly your products will therefore also be reduced. Your impact on the environment will decrease in the same way.