Tibor Šimonka

Slovenske Zelezarne is a Slovak company that holds interest in steel manufacturing and processing companies.

Perutnina Ptuj doo engages in the production and processing of poultry. Its brands are Pepe, Poli, and Slim & Fit. The company was founded by Valentin Reinhard in 1905 and is headquartered in Ptuj, Slovenia.

Skupina Viator & Vektor dd provides local freight trucking services. It offers services in areas such as transportation, freight forwarding, logistics, and maintenance. The company also develops and manufactures mini and airport buses, multi-purpose trucks, trailers, bodies and chassis, and armored wheeled vehicles. Skupina Viator & Vektor was founded in 2000 and is headquartered in Ljubljana, Slovenia

Iskra dd was engaging in the production of electrical appliances and accessories. The company was founded on March 20, 1990 and was headquartered in Ljubljana, Slovenia.

Gorenjska banka d.d., Kranj engages in the provision of financial services. It offers deposits, granting of loans, payment transaction services, financial leasing, issuing and managing payment instruments, and issuing guarantees and other commitments. The company was founded on December 12, 1989 and is headquartered in Kranj, Slovenia.

SIJ dd engages in the manufacture of steel. It also offers distribution, processing, research and development, and scrapping services. The company's products are stainless, wear resistant, electrical, structural, and special steel, welding wires, nickel alloys, and industrial knives. SIJ was founded in 1969 and is headquartered in Ljubljana, Slovenia.