S & H Glenco Manufacturing, LLC

S & H Glenco Manufacturing, LLC is a precision contract manufacturer based in Ontario, California, specializing in high-volume screw machining services. Established in 1983, the company operates a dedicated factory and maintains a workforce of 11 to 50 employees, focusing on the production of custom machined components and metal fasteners. They are ISO 9001 certified and adhere to MIL-I-45208 specifications, ensuring high-quality standards for demanding sectors including aerospace, automotive, medical, defense, electronics, and commercial industries. The company's manufacturing capabilities include 3 and 4-axis machining, milling, drilling, tapping, thread rolling, and knurling. They work with a wide range of materials such as brass, stainless steel, aluminum, steel, and copper alloys in various shapes including hex, square, and round. Their extensive product portfolio features precision components such as bushings, inserts, fittings, standoffs, spacers, couplings, shafts, and housings. Specific examples of their work include aluminum regulator cones for the automotive industry, stainless steel solenoid seats for sprinkler systems, and brass copper alloy insert bearings for medical applications. S & H Glenco Manufacturing is equipped to handle high-production runs, with the capacity to manage unit volumes ranging from 10,000 to multi-million unit orders. Beyond core machining, they offer comprehensive secondary services including assembly, grinding, stamping, punch press operations, special packaging, and barcoding to provide turnkey solutions for their global B2B clientele.