In business since 1986, BEC Machine Products is an American manufacturer whose Harleysville shop is known for precision work supporting the U.S. Navy. Its components have served aboard nuclear submarines and aircraft carriers, while the company also supplies custom machined parts for commercial and industrial customers worldwide.
MIL-I-45208A
certification
ISO 9002
certification
Dearborn, IncFounded in 1967 as a continuation of Howard Dearborn, Inc., Dearborn makes high-precision machined components, having grown from deep-hole gundrilling into finished-part manufacturing. Its Berea operation developed drilled components for the first U.S. Navy nuclear submarines and now builds proprietary equipment in-house for difficult internal machining work. Dearborn is AS9100- and ISO 9001-certified and routinely holds gundrilling variation below .002 inches over bore lengths up to 32 feet.BEREA, OH
Derbyshire Machine & Tool CoSince 1905, Philadelphia’s Derbyshire Machine & Tool Co. has made custom machined products, including its proprietary Peri-Jets, for specialized industrial and marine applications. The company pioneered CNC job-shop machining in 1967 and now works from a 30,000-square-foot facility, producing everything from prototypes to runs of several thousand. Derbyshire has supplied U.S. Navy and marine-industry customers with Level I and Sub-safe products for more than 30 years.PHILADELPHIA, PA
Hartzell Machine Works, IncEstablished in 1937, Hartzell Machine Works is an Upper Chichester, Pennsylvania shop known for custom precision machining and a distinctive earlier role as the only U.S. supplier of Monotype typesetting molds for many years. Today, it makes close-tolerance parts for demanding customers, including Boeing and the Defense Logistics Agency, under an AS9100D-certified quality system.332510UPPER CHICHESTER, PA
Greater Maryland Tool & Manufacturing CorpFounded in 1966 by World War II Navy Seabee Raymond Dubinsky, Greater Maryland Tool & Manufacturing Corp. remains a family-run Maryland manufacturer under the leadership of his son Mark and grandson Steve. The company is known for supplying precision-machined parts to the U.S. Navy Nuclear Propulsion Program since the 1970s, along with work for defense contractors and government agencies.MOUNTAIN LAKE PARK, MD