The town was settled in the 19th century with the first industrialization of Bosnia and Herzegovina. Main industries are wood products and the chemical industry. Long before Tesliċ began to rise a nearby village called Čečava existed as one of the oldest places people inhabited, there is archaeological evidence that Čečava existed as early as the 10th century. Teslić was until the late 1950s among the largest industrial centers in Bosnia and Herzegovina. Today Tesliċ industry is mostly based on the production of wood, milk, clothing, telecommunications, electro industry, metallic industry and building construction.
Tesliċ is also known as a tourist destination, mainly because of the Banja Vrućica, а health spa for healing cardio-vascular diseases. With a complex of five hotels and a capacity of over 1000 beds, Banja Vrućica has the biggest tourist capacity in Bosnia and Herzegovina. It is also worth mentioning nearby mountain Borje, an attractive tourist destination, with two hotels and sports facilities
