Castillo Information Technology Services (CITS) is a Houston-based privately held consulting firm founded in 1998 to meet the growing demand for expertise in implementing various information technologies.  Our clients range from small start-ups to Fortune 500 companies in several industries (oil & gas, petrochemical, financial services, and health care). 

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We are certified as a minority-owned business with the City of Houston and the Houston Minority Business Council as well as a historically underutilized business with the State of Texas. 

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We value the relationship we have with all our clients and make every effort to meet their needs and exceed their expectations.