# Interface Security Systems, LLC

Interface Security Systems, LLC is a fire alarm company based in Plano, Texas. It holds an active Fire Alarm Certificate of Registration (No. ACR-1854) from the Texas State Fire Marshal's Office, verified against state records on November 2, 2026.

## Texas State Fire Marshal's Office registrations

| Registration | Type | Expires | Status |
|---|---|---|---|
| ACR-1854 | Fire Alarm Certificate of Registration | June 14, 2028 | active |

## Contact and locations

- Phone: 866-701-4451
- Primary location: Plano, TX 75093-8232 (Harrison County)
- Location: Plano, TX 75093 (Collin County)
- Also known as: Hawk Security Services
- Licensed people on the state record: 10, holding 10 individual licenses (5 Fire alarm technician, FAL; 2 Fire alarm planning superintendent, APS; 2 Residential fire alarm superintendent, RAS; 1 Residential fire alarm technician, RAL)

## Verify

Search ACR-1854 at https://appscenter.tdi.texas.gov/reports/p/sfmo to confirm current status.

More companies in Plano: https://plumbregistry.com/fire-protection/texas/plano/

_Source: Texas Department of Insurance, State Fire Marshal's Office licensee records (https://appscenter.tdi.texas.gov/reports/p/sfmo), retrieved November 2, 2026. Published by Plumb Registry._