DRI upravljanje investicij, d. o. o., (DRI Investment Management Ltd.) is the largest consulting and engineering company in Slovenia. Expert knowledge, rich experience, and gained trust of public and private clients are the foundations on which the company has established itself as a reliable partner in realizing investments in the fields of railway, road, municipal and water infrastructure, buildings, and transportation. DRI combines technical, economic, and other expert knowledge in one place, which is essential for managing the most demanding infrastructure projects. The company's wide range of activities enables the organization and management of investments in all phases of the investment process - from planning, designing, and construction to maintenance and management.