Don Langston

ECRM, Inc. provides imaging technology services to the graphic communications industry. Its services include imaging, laser, mechanical, analog and digital-electronic technology services. The company was founded by Samuel J. Mason, William Schreiber and Donald Troxel in 1969 and is headquartered Tewksbury, MA.

Part of Leonardo SpA, Hadland Photonics Ltd. is a British company that manufactures digital imaging cameras and avionics systems. The company is based in Tring, UK. Hadland Photonics was acquired by Leonardo DRS, Inc., part of Leonardo SpA from October 22, 2008 on March 12, 1998.

APAC, Inc. provides highway construction services. The firm also supplies the materials to make roads, including asphalt, ready-mix concrete and crushed stone. APAC operates quarries, aggregate production facilities, ready-mix concrete plants and hot-mix asphalt plants. The company was founded in 1879 and is located in Atlanta, GA.