КС Константин до 21

CS Constantine was officially founded under the name of Iqbal Association in 1898. It was named Chabab Mécanique de Constantine from 1977 to 1987.

Tassili Airlines the airlines firm of the petroleum company Sonatrach sponsored the club from 2012 to 2016. And since 2016, the club was sponsored by the Entreprise Nationale des Travaux aux Puits (ENTP), another firm of Sonatrach.

The 1990s and the first title of the championship

For the second time in its history, the CSC succeeded in qualifying for the semi-final of the Algerian Cup in 1992, and lost to ASO Chlef (after shots on goal), at the Stade du 5 Juillet 1962. Two years later, the club snatched the title of league champion 2 for the 4th time. In this season the club dominated the D2 championship including the famous Constantine derby, the CSC beating the MO Constantine twice (3- 0 then 2-0). Promoted for the umpteenth time in 1994, the CSC won its first title in the history of Champion of Algeria during the 1996–97 season, with talented and experienced players at the national level (Isâad Bourahli, nicknamed the fox of the surfaces from the 1990s, Moudoud Kaoua, Réda Matem, Salim Laïb, Hassen Ghoula and Sid Ahmed Benamara). The same season, the CSC was a finalist in the international Black Stars tournament in Paris, after the semi-final victory over the Senegalese club ASC Diaraf. The following season (97-98), the club participated for the first time in the African Champions League. Exempted during the preliminary round of this edition the club, was eliminated against the Senegalese club AS Douanes in the first round, at the end of the season the CSC finishes 2nd in the championship of Algeria (Group A).