Delta Road and Rail Engineering Company was registered in the Companies Registration Office of Tehran Province under number 256245 in 2004.
The main activity of this company, according to the statute, is the implementation plan and supervision of all construction projects  and facilities  Including structural works, water, ground, dam construction, marine structures ,  Water and sewage treatment plants, irrigation and drainage networks, freeways, highways, railway lines, bridges  construction, airport and infrastructure facilities including residential, commercial, office, industrial and hospital buildings and all errands of mechanical and electrical facilities  including the design, supervision and implementation of central heating and air conditioning engine houses, food storage cold rooms, sewage treatment plants to collect sewage waste and re-transfer water to the urban water supply network, installation and implementation of water-cooled and air-cooled absorption and compression chillers along with cooling towers for tropical areas  and the manufacturing and production of all kinds of materials, machines and equipments related to the implementation of construction operations and any kind of partnership with domestic and foreign natural and legal persons, in the process. 
To achieve these goals, this company was established and created a professional organization of practical managers  and operators , who have spent many years of their life in the development of various points in country  especially deprived areas.