Francis J. O'Brien

Delta Education LLC publishes science manipulative and other curricular materials. It manufactures curriculum based elementary school science kits. The firm offers science education by providing hands-on science programs and materials that are correlated to National Science Education Standards (NSES) and state standards. The company was founded by Tom Richardson in 1974 and is headquartered in Nashua, NH.

ProPhotonix Ltd. engages in the design and manufacture of illumination systems. It operates through the following segments: Light Emitting Diode Systems (LED's) and Laser and Diodes. The LED's segment designs and manufactures LED systems for the inspection, machine vision, medical and military markets. The Laser and Diodes segment distributes laser diodes and designs and manufactures custom laser diodes modules for industrial, commercial, defense and medical applications. The company was founded on March 27, 1951 and is headquartered in Salem, NH.

Analogic Corp. engages in the business of designing, development manufacturing, and supporting technically advanced and cost-effective imaging and detection, and power and automation solutions for security, healthcare, and other high-end industrial markets. The firm is also involved in the innovation in the field of computed tomography. The company was founded by Bernard Marshall Gordon on November 27, 1967 and is headquartered in Peabody, MA.

Part of Pearson Plc, Addison-Wesley Publishing Co., Inc. engages in publishing and printing services. The company is based in Reading, MA.