Tannin Corporation was founded in 1944 to manufacture and distribute leather chemicals to the large concentration of tanners in New England. The current ownership was established in 1979 with its headquarters in Peabody, Massachusetts. The company has grown to become the largest wet-end chemical supplier in North America, serving the United States and Canada, with a subsidiary company in Mexico, Tannin Mexico S.A. de C.V. Tannin Corporation distributes its leather chemicals worldwide.

Synventive Molding Solutions is one of the world’s leading manufacturers of hot runner systems and components. With a focus on providing high quality products and value added services, Synventive delivers complete solutions for all types of injection molding applications. The company offers a wide choice of standard products and has the ability to produce fully customized systems on demand – all backed by a dedicated after-sales service team. Since the 1970s, Synventive and its predecessors have served customers in the automotive, electronics, telecommunications, packaging, medical and consumer/industrial markets. Today Synventive operates with manufacturing in Asia, Europe and North America and service and support operations in 25 countries.