- California Office (Main)
- 3529 W Commonwealth Ave #Z Fullerton, CA 92833
- Tel: 510-868-6060
- E-Mail: tnis@tnissystems.com
- Nevada Office
- 4295 W. Post Rd. Las Vegas, NV 89118
- Tel: 702-989-8118
- E-Mail: tnis@tnissystems.com
- Arizona Office
- 2445 W. 12th St. #6 Tempe, AZ 85281
- Tel: 602-606-8866
- E-Mail: tnis@tnissystems.com