ĐĐ Energetika i infrastruktura is an energy utility provided servicing the industrial complex of Đuro Đaković; it provides compressed air, natural gas, water, waste, telephone, heat and electricity. The "Slobodna zona Đuro Đaković Slavonski Brod" (Freezone Đuro Đaković Slavonski Brod) is an area of the Đuro Đaković industrial zone in Slavonski Brod assigned to encourage new business developments - the area has reduced customs, tax, and rates. Đuro Đaković manufactured many of the diesel locomotives used by the Yugoslav Railways. In the post World War II period these included over 150 units of JZ 642 and JZ 643 Bo'Bo' locomotives built in collaboration with Brissonneau and Lotz between 1961 and 1977, and the JZ 664 Co'Co locomotives built under license from GM-EMD (EMD G26 type) from 1972 onwards (84 units). The company also built diesel hydraulic shunters (JZ 732 and JZ 733) (165 total) from the late 1960s onwards, as well as license built passenger railcars. Other rail vehicles manufactured included the Zagreb Tramway types TMK 101 and TMK 201. The M-84 tank was created in the 1980s as a local version of the Russian T-72, during the Croatian war of independence the company produced the LOV-1; the first indigenous APC. The M-95 Degman is a prototype Croatian Main Battle Tank developed from the M-84 based on experimental M-91 Vihor. The company also modernizes T-72 tanks, and manufactures rocket launcher and mine sweeping machines.