Two Palfinger PK 92002-SH cranes with specially designed air-conditioned cabins were delivered to the STSI company from the INA group. The Palfinger crane has eight hydraulic extensions with a maximum reach of 20.2 m. The maximum lifting capacity of the crane is 25000 kg. In addition to the cranes, the MAN TGS 33.440 6×4 BL truck was upgraded with a TS-4.0 cargo box with a crane support and a spare tire and a spacious tool box.

STSI d.o.o. is a company that deals with maintenance and construction of facilities. The company was founded in 2002 by separating from INA. It is primarily focused on maintenance and construction activities for oil and gas production and processing facilities from wells to refineries, as well as other facilities and facilities from the oil and petrochemical industry and other construction facilities. It is the largest company in the Republic of Croatia for maintenance work, providing a comprehensive maintenance service including all professions (mechanical, electrical and instrumentation, construction).