Michael J. Evers

HEI, Inc. was an electronic manufacturing services company and full service contract manufacturer providing prototype and mid volume offerings in microelectronic assembly, medical device manufacturing and ceramic, flex & rigid-flex substrates. The firm's primary markets were medical, telecommunications, industrial, aerospace and defense. It support customers products from initial product development and design through transitional and full-scale serial manufacturing to worldwide distribution and aftermarket support. The company was founded in 1968 and was headquartered in Victoria, MN.

Infinite Graphics, Inc. is a photolithography company, which engages in the provision of photomasks, 3D microstructures, phototools, precision imaging software and optical engineering. Its products and services include Solder paste Stencil, RIP/OEM, Precision Graphics, 3D Structures and Legacy. The company was founded by Clifford F. Stritch Jr. in 1969 and is headquartered in Minneapolis, MN.

Part of Integra LifeSciences Holdings Corp., Minnesota Scientific, Inc. designs and manufactures surgical retractor systems. The company is based in St. Paul, MN. Minnesota Scientific was acquired by Integra LifeSciences Holdings Corp. on January 09, 2009 for $16.69 million.