William Stephen Hart

C&D Technologies, Inc. produces and markets systems for the power conversion and storage of electrical power, including industrial batteries and electronics. It offers VRLA, Lithium ION, battery monitoring, integrated power solutions, racks, and cabinet products. The firm serves telecom, energy & infrastructure, government and engine starting markets. The company was founded by Frank Carlile and Leon Doughty in 1906 and is headquartered in Horsham, PA.

Data General Corp. designs and makes open computer systems including servers and mass storage products. The company was founded in 1968 and is headquartered in Westborough, MA

Stratus Computer, Inc. designed and serviced computer systems. It was a producer of fault tolerant mainframe computers. Its traditional markets were financial services companies like banks and security exchanges. The firm was located in Maynard, MA.

Advanced Battery Management LLC manufactures and markets battery chargers. The company was founded on January 29, 2014 and is headquartered in Plano, TX.

Part of ITT, Inc., K & M Electronics, Inc. is an American company that designs and manufactures power supplies, electronic components, and channel electron multipliers. The company is based in MA. K&M Electronics, Inc. was acquired by ITT Corp. from Northstar Aerospace, Inc. on July 12, 1999.

Ericsson, Inc. develops and markets wireless infrastructure equipment. Its products include antennas, transmitters, switching systems and other gears used to build wireless networks. The company was incorporated in 1992 and is headquartered in Plano, TX.

Celestcia Corp. provided electronics manufacturing services that encompass supply chain management, prototyping, printed circuit assembly (PCA) and test, systems assembly and test, fulfillment and after-market solutions. The company was headquartered in Arden Hills, MN.