John W. Humphrey

Humphrey Enterprises LLC (Humphyrey Enterprises) is a private equity firm founded in 2002 by John W. Humphrey. The firm is headquartered in Boston, Massachusetts.

Atrex Energy, Inc., headquartered in Westwood, MA, consists of two subsidiaries. Acumentrics RUPS provides rugged AC and DC uninterruptible power supplies (UPS) for military and industrial power conditioning, backup, and other mission critical applications. Acumentrics SOFC is a developer and manufacturer of solid oxide fuel cells with a durable, fuel-flexible, tubular ceramics-based technology. The company was founded in 1995.

The Boston Ballet, Inc. is non for profit company engages in classical professional ballet. The company was founded by E. Virginia Williams in 1979 and is headquartered in San Diego, CA.

Acumentrics, Inc. manufactures custom power products. It specializes in the developing and manufacturing of power generation and power quality systems. The firm bases these systems on solid oxide fuel cell (SOFC) technology and Ruggedized UPS and Power supplies for military and industrial power conditioning and backup. The company was founded by Gary Mookand and Raymond DeSabato in 1994 and is headquartered in Westwood, MA.

AchieveForum, Inc. provides professional development and training services. It offers direction and alignment products, execution and performance products, and personal master products. The company was founded in 1971 and is headquartered in Boston, MA.

The American Society for Training & Development is a professional association that is dedicated to the training and development field. The non-profit company is based in Alexandria, VA and has subsidiaries in the United States.

Exit41, Inc. provided integrated online, mobile and call center ordering solutions for restaurants. It offered point of sale software and information solutions to top Quick-Serve chains. The company was founded by Craig D. Tengler, Thomas Oakley Jones, John F. Cardinal, Sean K. Lappetito and Frank E. Cantwell in 1999 and was headquartered in Andover, MA.