Tomislav Tadic

Dioki dd engages in the production of petrochemical products and plastic. It also offers warehousing, transportation, maintenance, intermediation, and rental services. The company was founded on September 6, 1995 and is headquartered in Zagreb, Croatia.

Part of INA-Industrija nafte dd, CROSCO Integrated Drilling & Well Services Co Ltd is a drilling and well services company based in Zagreb, Croatia. The Croatian company provides drilling, workover, and well services using its own fleet of drilling rigs, self-propelled and truck-mounted workover rigs, and a full array of wireline units, separators, indirect heaters, surge tanks, and various auxiliary equipment. CROSCO has signed contracts for drilling and provided drilling services for various companies, including Bankers Petroleum. The company is a member of the IWCF and Rotary Drilling Ltd. and follows the INA group code of ethics and legal privacy policy.

OT-Optima Telekom dd engages in the provision of telecommunication services. It operates through the Residential and Business segment. The company was founded by Matija Martic on September 30, 1994 and is headquartered in Buzin, Croatia.

H1 Telekom dd was engaged in the provision of telecommunication services. The company was founded on March 30, 1998 and was headquartered in Split, Croatia.