Ralph E. Crump

SI Technologies, Inc. designs, manufactures and markets high-performance industrial sensors, weighing and factory automation systems. Its products are used in a wide variety of industries including aerospace, aviation, food processing and packaging, forestry, manufacturing, mining, transportation, warehousing and distribution, and waste management. The company is located in Tustin, CA

Stratasys, Inc. manufactures rapid prototyping systems. It provides three-dimensional printers and 3D production systems for the office-based rapid prototyping and direct digital manufacturing automotive, aerospace, industrial, recreational, electronic, medical, consumer products OEM and education markets. The company was founded by S. Scott Crump and Lisa H. Crump in 1989 and is headquartered in Eden Prairie, MN.

Mity, Inc. manufactures, designs and markets furniture systems. The firm products include tables, chairs, carts, dance floors, staging and partitions. The company was founded by Gregory L. Wilson in 1987 and is headquartered in Orem, UT.

Suez WTS Solutions USA, Inc. manufactures water purification equipment and controls the filtration & water treatment industries. Its products include membranes and other filter media used in bioengineering processes, water purification & semiconductor manufacturing. The company was founded in 1969 and is headquartered in Minnetonka, MN.

Part of Revlon Group Holdings LLC, Frigitronics, Inc. is an American company that manufactures cryosurgical equipment and diagnostic & surgical instruments. The private company is based in CT. The company was founded by Ralph E. Crump.