ASPO Tours The club was formed as the sports wing of railway company
Compagnie du chemin de fer de Paris à Orléans in the city of
Tours with the name Association Sportive du Paris-Orléans. It therefore had close links to the railway industry, with a good portion of members either related to or themselves workers in the industry. As such the club later received subsidies from
SNCF, the nationalised railway company, also enjoying in kind benefits such as reduced ticket fares. The basketball section was formed in 1925, a women's section was created in 1937. ASPO was Touraine champion every year from 1932 to 1940. The club saw its first foreign recruits in 1956, two American soldiers from a military base in nearby
Chinon. After beating
Berck (crowned champions in 1973 and 1974) by two points in March 1976, Tours won the
French league that same year. It also reached the final of the
European Cup Winners' Cup in 1976, in only its second participation in a European competition. However, the French would lose 83–88 to
Cinzano Milano. The club had an unremarkable
European Champions Cup, not repeating its success domestically either, with two successive seventh-place finishes before a fourth place in 1978–1979. ASPO Tours was again crowned French champion in 1980.
Tours Basket Club In 1981, the ASPO basketball section became Tours Basket Club and became independent in all ways from the other sections of the organisation. After a series of mid-table finishes, Tours ended the 1988–89 season in the penultimate place and was relegated from the first division.
NPO During the 1997–98 season, Tours Basket Club became NPO Tours (a pseudo-acronym in effect signifying New PO), also changing its historical colours of blue and white to red, white and black to mirror the successful
Chicago Bulls. The club had been struggling financially for years and that season worsened the situation. NPO Tours was declared bankrupt on 5 June 1998 with debts of 4.5 million francs, its participation in the league had been earlier denied.
Later incarnations Touraine Basket Club was formed the same year, playing in the Nationale 2, the amateur fourth division. Touraine BC then played alone in the Nationale 3, the fifth division. After repeated requests from TBC, a union was formed with PLL Tours, then of Nationale 2, in June 2014 to form Union Tours Basket Métropole. ==Arena==