Joe Straczek

Rhythmlink International LLC engages in the design, manufacture, and distribution of medical devices. It offers custom packaging labeling, custom products, and contract manufacturing. The company was founded by Shawn Regan and John-Michael O'Leary in 2002 and is headquartered in Columbia, SC.

Antylia Scientific provides laboratory and industrial fluid handling products, instrumentation, equipment, and supplies. The firm's services include calibration services, custom-blend chemicals, custom cut-to-lenght tubing, custom single-use bioprocess assemblies, custom temperature probes, on-site calibration services and special and custom orders. The company was founded by Jerry Cole and John Parmer in January 1955 and is headquartered in Vernon Hills, IL.