TriMas Corporation, together with its subsidiary Lamons, has acquired South Texas Bolt & Fitting, Inc. (STBF). STBF is a leading manufacturer of industrial bolts and fasteners for the oil field and other industrial markets. The acquisition positions Lamons as the premier manufacturer and distributor of gaskets and bolts for petroleum refining, petrochemical, and other industrial sectors. Seneca Partners serves as the exclusive financial advisor to TriMas Corporation.