George Russell Sullivan

The Martin-Brower Co. LLC distributes and supplies grocery products. The firm also provides delivery services, inventory management, product sourcing, warehousing, training, safety, and financial modeling. The company was founded in 1956 and is headquartered in Rosemont, IL.

American Dental Partners, Inc. provides business services to multi-disciplinary dental group practices. It also offers dental facilities and support staff to the affiliated practices and provides or assists with organizational planning and development, staff recruitment, employee retention, training programs, quality assurance initiatives, facilities development, employee benefits administration, procurement, information systems, technology, marketing, payor contracting, financial planning, reporting and analysis. The company was founded by Gregory A. Serrao in 1995 and is headquartered in Wakefield, MA.