Texas licence requirments

Could anyone fill me in on the license requirements for Texas to open a business for CCTV sales/install/service only. I do not intend on doing alarm systems or Access control anytime in the near future.

Here ya go http://www.tbfaa.org/html/licensing_info.asp

Here's another http://www.txdps.state.tx.us/psb/forms/index.htm#compappl

Short answer: Yes, you need some form of "low-voltage" license in TX.

Long answer: http://www.txdps.state.tx.us/search/searchresults.asp?type=cache&q=cache:http://www.txdps.state.tx.us/psb/docs/Chap1702OccCodeClean.pdf+1702.002(1)©&site=ER&client=DPSInternet&proxystylesheet=DPSInternet&output=xml_no_dtd&ie=UTF-8&oe=UTF-8

Good luck figuring it out after reading 1702.002(1)©!