CROSCO is an integrated onshore and offshore drilling and well services contractor. The company has a fleet of 4 drilling rigs, 7 workover rigs as well as one jack-up. CROSCO is also the 100% owner of Hungarian based Rotary Drilling Company. Rotary’s drilling fleet includes 3 drilling rigs and the company also provides workover and other well services. CROSCO also provides the following services: slickline service, well testing, coil tubing, nitrogen, cementing, stimulation, well logging, mud, coring, H2S service, fishing, directional drilling, tubular running services, downhole tool service, well control equipment service, tubular inspection, hydrological and geomechanical services as well as maintenance. CROSCO has been providing services internationally since 1952 (within INA Naftaplin until 1996) and has provided services in 34 countries for many of the world’s most recognized oil and gas international and national companies. The company is currently providing services in Croatia and region. The company has ISO 9001, ISO 14001, ISO 45001 and ISO 50001 certification from Bureau Veritas Certification Croatia. The Quality Assurance System covers drilling & well services, well design, engineering and maintenance of equipment in the oil & gas industry and geoservice. CROSCO is also a member of the International Well Control Forum (IWCF). To ensure complete integration of all systems and efficiency, the company has implemented the SAP R/3 Management Information System and Galiot as the rig maintenance system. The company’s headquarters are located in Zagreb, Croatia.