Cruz Azul – Wikipedia

Cruz Azul was founded under the name Club Deportivo Cruz Azul as an amateur team on 22 March 1927. The founders were the workers of cement maker Cemento Cruz Azul; the team played in the town of Jasso (now part of the “city cooperative” Ciudad Cooperativa Cruz Azul) in the state of Hidalgo.Cemento Cruz Azul was the only official sponsor until 1997, and remains a primary sponsor today.

https://en.wikipedia.org/wiki/Cruz_Azul