The Customers of the dosimeters-radiometers DRGB-01 “ECO-1”, DRGB-01 “ECO-1M” and MKG - 01 in Moscow and Saint-Petersburg. The governmental departments The Administrative Office of the Russian President The House Management of the Russian President The Russian Federation Management of State Inspection on trade of the Russian Federation The Central Clearing House of the Russian Federation The Sanitary and Epidemiological Inspection Agency Gossanepidnadzor of the Russian Federation The Custom House of the Russian Federation The Government of Saint-Petersburg The Committee on Ecology and the Environment Protection… The culture organizations The Russian National Library The State Tretiakovskaya Gallery The State Hermitage The Russian Museum Mariinsky Opera and Ballet Theatre The State Museum, National Park “Petergof”… The manufacturing enterprises The joint-stock company - Gazprom Russian Samozvet Lukoil The Russian Open Society Electric power pools of Russia Sberbank Vneshnekonombank… Supermarkets, hotels, transport Moscow Central Department Store Gostinniy Dvor The Hotel Sheraton Nevskij Palace The Hotel Europe Saint-Petersburg The Sea Port Saint-Petersburg Saint-Petersburg subway… Above, there is the list of the most known companies and institutions in Moscow and Saint-Petersburg. However, the list of the customers includes a lot of the companies from the largest institutions till small enterprises of various fields of activity not only in Russia, but also abroad: ANK “Bashneft” Open Society “MMK” Pervouralsky Novotrubnyj Plant…