Founded in 1932 by mechanical engineer Tom Jensen Sr., Jensen Steam Engine Mfg. Co. Inc. remains a three-generation family business in Jeannette, Pennsylvania. The small factory is known for preserving its founder’s original tooling and hand-built methods, producing limited-run miniature steam engines for hobbyists, educators and collectors.
Jenny Products, IncWith roots in a Pennsylvania valve maker incorporated in 1892, Jenny Products manufactures portable and industrial stationary air compressors in Somerset, Pennsylvania. The company’s history includes inventing the 1927 “Steam Jenny” cleaner, developing early compressor technology through its Davey acquisition, and bringing the Emglo industrial compressor line into its product offering in 2003. Its service-vehicle compressors feature heavy-duty pumps made in Somerset, where Jenny continues to build equipment for construction, rental, and industrial applications.SOMERSET, PA
Jennison CorporationFounded in 1983, family-owned Jennison Corporation in Carnegie, Pennsylvania, makes precision-machined and stamped components while carrying projects from prototyping and tooling through production. Its 75-person operation includes 18 CNC machining centers and five wire EDM machines, giving the company unusual capacity for a small-business setting. Jennison’s quality program is ISO 9001 and API Spec Q1 compliant, and the company is ITAR registered.CARNEGIE, PA
Woodings Industrial CorporationWoodings Industrial Corporation is a family-operated industrial manufacturer with roots dating to 1883, producing engineered equipment for steelmaking and components for industrial steam and power generation. Founded by Emanuel Woodings as a tool manufacturer, the company group now includes Woodings Industrial, Munroe, and Superior Machine, and reports six manufacturing locations with nearly 500,000 square feet of production space.MARS, PA
Jenkins Machine IncBorn on a 1949 Pennsylvania racetrack, Jenkins Machine Inc. is a family-owned Bethlehem machine shop now in its third generation, producing precision machined parts for demanding customer applications. Walter D. Jenkins founded the company with his wife, Stephania, and the business later helped supply parts for Telstar 1 before moving from conventional work into CNC machining. Today, the Jenkins family continues to run a two-shift operation focused on midrange batches, difficult designs, and close customer collaboration.332721BETHLEHEM, PA