OCC §1702.102. SECURITY SERVICES CONTRACTOR LICENSE REQUIRED; SCOPE OF LICENSE. (a) Unless the person holds a license as a security services contractor, a person may not: (1) act as an alarm systems company, armored car company, courier company, guard company, guard dog company, locksmith company, or private security consultant company; (2) offer to perform the services of a company in Subdivision (1); or (3) engage in business activity for which a license is required under this chapter. (b) A person licensed only as a security services contractor may not conduct an investigation other than an investigation incidental to the loss, misappropriation, or concealment of property that the person has been engaged to protect.