IOV Omnibusverkehr GmbH Ilmenau is a bus operator serving Ilmenau, Arnstadt and communities across the Ilm-Kreis in Thuringia, Germany. The company provides local urban and regional bus services, including routes connecting towns, neighbourhoods and transport hubs. Passengers can access timetables, route maps, journey-planning information and updates about service disruptions and construction-related changes, helping them plan trips and find alternative connections.

IOV offers information and applications for a range of fares and travel products, including the Deutschlandticket, regional child and youth, mobility and senior tickets, a semester ticket, special fares and concessionary travel cards. It also provides fare details and conditions of carriage. Beyond scheduled public transport, the company offers charter coach services, with information about its fleet and an enquiry option for prospective customers.

Additional services include a customer service centre, assistance with lost property, frequently asked questions, contact and feedback channels, and customer information through its magazine and press articles. IOV also offers vehicle advertising and provides information about careers and vocational training.