Formerly known as Environmental Technologies Group Inc, (and ETG) was acquired by Smiths in 1999. ETG had established a leading position in the supply of hand-held nuclear, biological and chemical agent detectors for military forces and the public emergency services. The firm was renamed Smiths Detection-Edgewood, doing business as a wholly owned subsiduary of the London, UK-based firm Smiths Aerospace. Smiths Detection - www.smithsdetection.com -- offers advanced security solutions in civil and military markets worldwide, developing and making government-regulated technology products that identify explosives, chemical and biological agents, weapons, and contraband. It is part of Smiths Group www.smiths.com, a global leader in applying advanced technologies for markets in threat and contraband detection, energy, medical devices, communications and engineered components. Smiths Group employs around 23,000 people in more than 50 countries.