Established in 1972, Sotraban:
- is the Basse-Normandie subcontractors' association, an organisation which promotes and enhances regional expertise in subcontracting
- represents around sixty industrial manufacturers in Calvados, Manche, Orne, working in complementary fields
- is renowned for its ability to put prime contractors in touch with subcontractors
- has a collaborative approach to seeking market opportunities for its members