Jeff Kenyon

Goldstein Group Communications, Inc. provides marketing and communications services. Its services include advertising, public relations, direct marketing, web site development, Internet marketing, and product introduction campaigns. The firm's customers include businesses in the chemical, computer, electronics, optics, software, and financial fields. The company was founded by Joel Goldstein in 1992 and is headquartered in Solon, OH.

Alphaport, Inc. provides engineering and product development services. The firm provides solutions for aerospace, defense, and commercial applications to government and private institutes. It also offers specialized engineering support, knowledge management and training services to government and clients in aerospace-related organizations. The company was founded by Miranda Rosella and Anthony John Miranda in 1999 and is headquartered in Cleveland, OH.

Part of Cornhill Corp. LLP, Picker International, Inc. is an American company that manufactures heating equipment.

Keithley Instruments LLC manufactures electronic instruments and systems. The company was founded by Joseph F. Keithley in 1946 and is headquartered in Cleveland, OH.