J&L Precision Machine Co., Inc. is a full service job shop. They machine most ferrous and non-ferrous materials, all plastics and extrusions. A significant part of their work is machining gray iron, aluminum, and zinc castings. They also do machine assembling, sub-assemblies, welding, and frame building.

From Raw Casting to Completed and Tested Valves,
All Parts Made or Machined by J&L.

J&L Precision Machine Co., Inc. has a modern 44,000 square feet, climate controlled manufacturing facility in the Lehigh Valley Industrial Park IV near the intersections of PA Rt 512 and Rt 22, Bethlehem, Pa.