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Airpax Corporation is a privately held company with facilities in Cambridge, MD and Frederick, MD, Matamoros, Mexico, and Shanghai, China. Airpax also participates in a joint venture in Japan with Sanken Electric Co., named Sanken-Airpax Co. Airpax
Privately owned since 1968, Semblex has grown from a small local manufacturer to a worldwide supplier to a vast array of industries. Headquartered in Elmhurst, Illinois, Semblex now occupies four buildings totaling over 170,000 square feet. Sales
Life Support Systems is a Hyde Park, MA-based company in the Manufacturing sector.
Honeybee Robotics, Ltd, is a subsidiary of Blue Origin that builds advanced spacecraft, robotic rovers and other technologies for the exploration of Mars and other planetary bodies in deep space.
Ohio Machine Co is a Los Angeles, CA-based company in the Manufacturing sector.