Optima Grupa is a renowned brand and the largest producer of hydrocracked base oils, lubricants, and functional fluids in Southeastern Europe. With a rich history, knowledge, and innovative technology, Optima Grupa's Modriča Oil Refinery is the leading regional producer of high-quality products. The refinery operates in accordance with ISO 14001:2015 environmental standards, ensuring compliance with laws and regulations to minimize its impact on the environment.

With a state-of-the-art testing laboratory equipped with modern technology, Optima Grupa conducts over 180 different physical, chemical, mechanical, and electrical tests to ensure the quality of its products. The company also boasts a new automated blending center, making it one of the most advanced lubricant production facilities in Europe. Offering a wide range of products for passenger and commercial vehicles, machinery, industry, and marine engines, Optima Grupa is committed to providing top-quality solutions tailored to meet customers' needs