LABORATOIRE TETRA MEDICAL, founded in 1904, is renowned for its four-layer swab of hydrophilic gauze (in Greek, Tetra means 4). Today, LABORATOIRE TETRA MEDICAL has become one of the leading manufacturers and distributors of medical devices for both hospitals and clinics.

HYDRA founded in 1939 and also widely renowned, is specialised in the transformation of cotton, using its know how for hygiene products and quality dressings.

The merger of these two companies in 2003 has created a leading group for swabs, dressings, and hygiene products found in hospitals, clinics, high street chemists, specialised medical shops and on the hygiene and beauty shelves of supermarkets.