Gustaf Stefan Mattsson

Mattssonforetagen I Uddevalla AB operates as a holding company with interest in engineering services. It handles property administration as well as group management and certain joint group functions for the subsidiaries. The company was founded in 1961 and is headquartered in Uddevalla, Sweden.

Uddevalla Finmekanik AB operates as an original equipment and contract manufacturer of components and machinery systems. It specializes in development, design, welding, processing, and assembly of components and machinery systems. The company was founded in 1968 is headquartered in Uddevalla, Sweden.