Contact Us July 15, 2014April 18, 2017 by Ray Bédard TCS corporate headquarters are located in Prescott, Arizona. Office Hours: Monday – Friday 8:30 am – 5:30 pm Arizona Time (GMT -7) (928) 710-0725 ray@tcsims.com The FAQ page may answer some of your questions You can also use this form: Name Email Address Phone Subject Message