New Hampshire is one of the most industrial states in the U.S., which surprises most people. They are historically known for woodworking, textiles, and their shoemaking, but have expanded to more high-tech industries and manufacturing in recent decades. Shipping, fishing, and agriculture is also a mainstay for the state. The Portsmouth Naval Shipyard is one of the largest employers in the region! Below are all the companies in our directory that are made in New Hampshire. Send us a message if you don’t see a New Hampshire manufacturer that should be in our directory. We’ll add them if they pass our manufacturing certification process.