The Beryllium Science and Technology Association (BeST) is a nonprofit organisation based in Brussels operating under Belgium law. BeST represents the suppliers of Beryllium in the EU market, as well as traders and industries who rely on the unique properties of beryllium to design for miniaturisation, energy conservation, greater reliability and longer product life.

It aims to promote sound policies, regulations, science and actions related to the safe use of beryllium and to serve as an expert resource for the international community on the benefits and criticality of beryllium applications.