In the period from 1973 to 1992, the following investment programs were implemented:
- The pump factory started operating in the new production hall
- Organized production of dedicated production elements in the newly built Gas Turbine Factory
- A new modern restaurant was built (1600m2)
- A new production hall was built in which the production of sliding bearings was organized (4500m2)
- New hot water system with new heating stations and completely reconstructed central heating system in the existing production areas
- A new sewerage network for rainwater and faecal water was built, designed and constructed to connect to the new southern city collector
- The electric high voltage network has been completely reconstructed
- Fuel oil tank (500m3) built for the needs of the Rolling Mill
- New roads, fences, bus stops and stops were built, the railway was reconstructed
- In cooperation with the Municipality, a new bridge over the river Mrežnica was built, an important condition for this development of the southern industrial zone
- Equipped large storage space for the needs of trade in Turanj