Texas Private Security Act (Title 10, Chapter 1702) states:
'Sec. 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.
Link to Texas Dept. of Public Safety
Texas Private Security Act
Virginia defines 'electronic security business' to mean any person who engages in the business of or undertakes to (i) install, service, maintain, design or consult in the design of any electronic security equipment to an end user; (ii) respond to or cause a response to electronic security equipment for an end user; or (iii) have access to confidential information concerning the design, extent, status, password, contact list, or location of an end user's electronic security equipment.
Licensing requirement: 'No person shall engage in the private security services business or solicit private security business in the Commonwealth without having obtained a license from the Department. No person shall be issued a private security services business license until a compliance agent is designated in writing on forms provided by the Department. The compliance agent shall ensure the compliance of the private security services business with this article and shall meet the qualifications and perform the duties required by the regulations adopted by the Board. A compliance agent shall have either a minimum of (i) three years of managerial or supervisory experience in a private security services business; with a federal, state or local law-enforcement agency; or in a related field or (ii) five years of experience in a private security services business; with a federal, state or local law-enforcement agency; or in a related field.'
Link to Virginia Code Title 9.1