Public Company "Lighthouse Yaroslavl Factory" is one of the oldest production companies not only in Yaroslavl, but also the whole Russia. First single-piece vibrators for placing and compaction of concrete mix were produced in 1934. In October 1935 the factory began manufacturing the first prototupes of VL-1 vibrators. The first commercial batch of vibrators (1805 items in total) was manufactured in 1936. In 1986, PC "Lighthouse YF" celebrated its 200th anniversary. For achievements in performing tasks of the eleventh five-year plan, and in connection with its 200th anniversary, the plant was awarded the Medal of excellent labour "Red Flag". Currently PC "Lighthouse YF" provides such industries as construction, production of building materials, metallurgy, chemical industry and many others with electromechanical vibrators . Partners of PC "Lighthouse YF" are production entities and companies of Russia, the CIS and other foreign countries. In December 2013 the PC "Lighthouse YF" held a Dealer conference at which participants discussed the achieved progress, ways of development of dealer network and service centers of the plant, as well as the prospects for new products launching.