In total as a part of the organization of 10 structural divisions: DM, DPTC, six SCD, Plant of a metalwork and HCO. At the enterprise works more than 1700 persons which middle age makes about 40 years. Open Society collective «Trest 15"Spetsstroy" has highly skilled experts, including technical officers with a work wide experience. Active participation in exhibitions and competitions allows trest to feel more precisely market condition, to raise professional level of employees and to follow tendencies of development of building branch.