SAE designs, manufactures, and markets hyper or hyper-mobile cold mix plants, as well as fixed and recycling/inerting plants.

The history of SAE is linked to the developments of road building equipment throughout the world. The company pioneered stabilisation techniques in France and in 1960, it built the first distribution plant for base layers. For 50 years, SAE has been developing and marketing equipment used to protect the French road and motorway networks from ice.

The company is involved in the protection of the environment and also participates in the recovery of materials and recycling.