Over 40 Years in BusinessISO 27001 compliantPublic sector: GSA contract holder
LA 562-298-5000 · Chicagoland 312-432-5300 · Phoenix 602-733-6807 · Client Support
Card, mobile and cloud access control systems for offices, aerospace and manufacturing plants, labs, warehouses, clinics, multi-tenant buildings and public buildings in Torrance, El Segundo, Hawthorne, Gardena, Redondo Beach, San Pedro and Inglewood. One nearby team designs the system, installs the door and gate hardware and supports it after go live.

BTI Communications Group, LTD. designs, installs and supports commercial access control systems in the South Bay from its Santa Fe Springs office, and has been in business for over 40 years. We install and take over Brivo, Avigilon Alta (formerly Openpath), Avigilon Unity, Kantech, RS2 and Axis systems for buildings in Torrance, Gardena, Hawthorne, Inglewood, El Segundo, Manhattan Beach, Redondo Beach, San Pedro, Wilmington and the Palos Verdes Peninsula. Call 562-298-5070 or book a free site survey.
Every building asks something different of its doors and gates. These are the building types we are asked about most in the South Bay, each linked to how we secure it.
El Segundo, Hawthorne and Torrance companies and their suppliers need controlled rooms, visitor logs, escort rules and badge reports that hold up to customer reviews. We zone labs, engineering areas and server rooms separately from lobbies, and tie each door event to video.
Plants in Gardena and Harbor Gateway and yards near the Port of Los Angeles need doors and gates that match the work: production areas, tool cribs, shipping docks and driver entrances. Badges follow shifts, and credentials for drivers and contractors start and end on their own.

Torrance office towers, El Segundo campuses and Manhattan Beach and Redondo Beach office buildings mix glass storefront entries, shared lobbies, elevators, parking structures and suites that turn over every few years. We set up entry, elevator and garage readers so the property manager controls common areas while each tenant adds and removes its own staff.
Clinics need open patient entries during the day and locked records rooms and medication storage at all times. Districts, colleges and cities need lockdown from one button, visitor screening at the front office and contracts their purchasing team can use: BTI holds GSA contract 47QTCA21D00BA and is a CMAS and TESMA contract awardee (California).

We are not tied to one brand. We recommend the platform that fits your building, your IT team and the hardware already on your doors, and we can run more than one where a portfolio already has a mix.
| Platform | Where it fits in the South Bay | Learn more |
|---|---|---|
| Brivo | Cloud access for multi-site companies and property managers. BTI designs, sells, installs, supports and takes over existing Brivo accounts. Eagle Eye cloud video is part of Brivo. | Brivo · Brivo and Eagle Eye video |
| Avigilon Alta (formerly Openpath) | Cloud and mobile first access with touchless entry, a good fit for offices and clinics. | Avigilon Alta access control |
| Avigilon Unity | On premises access and video from one platform for larger campuses and plants. | Avigilon Unity access control |
| Kantech | EntraPass for sites that want on premises control with optional web and mobile access. BTI is a Kantech Global Edition Certified Partner. | Kantech EntraPass |
| RS2 (Acre) | Enterprise access control for organizations with many doors and complex schedules. | RS2 access control |
| Axis | Network door controllers and intercoms from an Authorized and Certified Axis Gold Partner. | Axis access control |
| Software House C-CURE 9000 | Enterprise access control with deep video integration for large and regulated sites. | Software House C-CURE 9000 |
| Alarm.com for Business | Access control, video and intrusion in one app for smaller offices and retail. | Alarm.com access control |
Not sure which way to go? Compare cloud and on premises options in our cloud access control overview, or download the 2026 Commercial Access Control Systems Guide (PDF).
Both are good choices. The right one depends on how many sites you run, who manages users and what your IT team wants to host.
| Question | Cloud (Brivo, Avigilon Alta) | On premises (Kantech, Avigilon Unity, C-CURE, RS2) |
|---|---|---|
| Who manages users? | Any admin from a browser or phone, from anywhere | Usually a workstation on your network, with optional web clients |
| Several South Bay sites? | One account for every site, no servers | A central server with each site linked over your network |
| Internet outage at a site? | Panels keep making decisions locally and sync later | Not affected, the system runs on your network |
| Updates | Delivered by the platform | Planned with your IT team |
| Good fit | Offices, clinics, property portfolios | Plants, campuses, sites that require local hosting |
Many takeover calls start the same way: the installer closed, sold the business or stopped answering, and no one has the admin login. We take over existing systems, and Brivo accounts in particular, without replacing hardware that still works.

Every project is quoted in writing after the survey, with each door and license itemized. Financing at 3.99% is available for qualified buyers, subject to credit approval.
Locked doors must still let people out with one motion. Electrified locks, maglocks and delayed egress devices are designed to the California Building Code, and we work with your contractor and the local building department when a permit is required.
California requires an Alarm Company Operator license for alarm system work. BTI is a Licensed Alarm Company Operator, ACO #7670, and holds C-7 License 807767 for low voltage systems. Our team passes LiveScan background checks before working in client buildings.
Readers, intercoms and door operators are mounted at accessible heights, and automatic openers are coordinated with access control so a badge or button opens the door.
Access logs contain employee data. We set retention and admin roles so only the right people can see or export them, which supports the privacy policies California employers already keep.
A badge event means more with video beside it. We connect doors to security cameras in the South Bay so a denied badge or a forced door opens the matching clip, and we link access control with intrusion alarms so the building arms itself when the last person badges out.
Access control lives on your network, so it should be secured like the rest of your IT. Our IT team segments door controllers, keeps firmware current and watches for problems through the 24/7 NOC/SOC. If you also want IT support, see managed IT in the South Bay and cybersecurity in Los Angeles.

Our Santa Fe Springs office and warehouse are about 14 miles from Gardena and 17 miles from Torrance in a straight line. Door hardware, readers and spare controllers are stocked there.
About 14 to 17 miles from our office. Corporate and regional offices, aerospace and automotive suppliers, manufacturers, medical groups and distribution sites around Torrance, the Del Amo area and the 405 and 110 freeways.
About 14 to 16 miles away. Machine shops, aerospace suppliers and distribution sites in Gardena and Hawthorne, plus offices, clinics, schools and event venues near the 105 and the 405.
About 19 to 20 miles away. Aerospace, defense and technology offices in El Segundo, plus professional firms, medical offices, hotels and retail along Sepulveda Boulevard and Pacific Coast Highway.
About 15 to 19 miles away. Terminals at the Port of Los Angeles and the logistics, truck yard and marine businesses around them, plus offices and clinics in San Pedro and Harbor City.
About 19 to 22 miles away. Professional offices, private schools, clubs and managed communities in Palos Verdes Estates, Rancho Palos Verdes and Rolling Hills Estates.
The 105 and the 91 run west from the 605 near our office into the South Bay, so site surveys, installs and service calls do not have to wait for a scheduled travel day.
Long Beach, Compton and the rest of the Gateway Cities are covered on our Long Beach and Gateway Cities hub, and Culver City, Santa Monica and the Westside stay on our Los Angeles hub.
See everything BTI does in the region on the BTI South Bay hub, or the Los Angeles access control page for other LA County sites.
12155 Mora Dr, Units 1 & 2
Santa Fe Springs, CA 90670
Security line: 562-298-5070
Main office: 562-298-5000
24/7 support: 800-HELP-BTI (800-435-7284)
Monday to Friday, 7:30 AM to 4:30 PM PT
Licensed Alarm Company Operator, ACO #7670
C-7 License 807767
Corporate offices, medical groups and plants need lobby and suite readers, garage access and production zones that one admin can run from a browser.
Aerospace and technology offices need controlled rooms, visitor logs and badge reports, while beach city offices need after hours schedules and elevator control.
Shops, warehouses and port businesses need driver gates, dock doors and contractor badges that expire on their own, with every gate event tied to video.
BTI Communications Group, LTD. serves Southern California from our Santa Fe Springs office. Pick your region for local services.
Los Angeles County businesses.
Orange County businesses, served from Santa Fe Springs.
Riverside and San Bernardino County businesses, served from Santa Fe Springs.
Burbank, Glendale, the Valley, Santa Clarita and Antelope Valley businesses, served from Santa Fe Springs.
Thousand Oaks, Simi Valley, Camarillo, Oxnard and Ventura businesses, served from Santa Fe Springs.
Long Beach, Carson, Compton, Downey, Norwalk and Cerritos businesses, served from Santa Fe Springs.
Pasadena, Alhambra, El Monte, West Covina, City of Industry and Pomona businesses, served from Santa Fe Springs.
Torrance, El Segundo, Gardena, Hawthorne, Redondo Beach and San Pedro businesses, served from Santa Fe Springs.
Over 40 years of IT, security and communications work. Call 562-298-5070 for security or 323-510-8003 for IT, or book a free consultation.
Get a free consultationOur office, crews and parts warehouse are in Santa Fe Springs, about 17 miles from Torrance.
We install eight access control platforms, so the recommendation follows your building, not a quota.
Access control, video, alarms, networks and cybersecurity come from one accountable partner.
We step in when another installer is gone and keep the hardware that still works.
GSA contract holder (47QTCA21D00BA) and CMAS and TESMA contract awardee (California).
400+ engineers, a mobile fleet and ISO 27001 compliant governance.
Access control is one part of a security plan built around your industry. Local examples from across the South Bay:
BTI Communications Group, LTD. designs, installs and supports commercial access control for Torrance and South Bay businesses from its Santa Fe Springs office, about 17 miles away. We install Brivo, Avigilon Alta (formerly Openpath), Avigilon Unity, Kantech, RS2 (Acre) and Axis, and we hold California ACO #7670 and C-7 License 807767.
Yes. Those cities are about 14 to 20 miles from our office, and we install and service access control for offices, aerospace and technology sites, plants and public buildings there.
Yes. We zone labs, engineering areas and server rooms separately, set escort and visitor rules and produce badge reports for customer reviews. CMMC and other compliance work is completed and contracted by BTI and its partners, including top industry professionals in each category.
Door controllers and locks run on battery backup sized during design, and every locked door still lets people out with one motion under the California Building Code.
You disable it in the software in seconds and issue a new credential. With mobile credentials there is no card to lose.
Yes. Many clients start with a main entry, a gate or a server room, then add doors on the same system later.
Yes. We take over Brivo accounts and other existing systems when the original installer is gone. After you confirm ownership, we arrange the change, review users and schedules and fix doors that show offline or forced.
Yes. We connect gate operators, driver entrances and dock office doors to the access system, issue temporary credentials for drivers and contractors and link each gate event to the matching camera.
After a free site survey we send a written, itemized proposal that lists every door, gate, device and license.
Often. Many strikes, maglocks, exit devices and door contacts can stay. The survey shows which openings can reuse hardware and which need new readers or locks.
Yes. Brivo, Avigilon Alta and Kantech all support mobile credentials, and cards and phones can work side by side during a phased switch.
Yes. We design lockdown and visitor screening for districts, colleges and public buildings, and agencies can buy through our GSA, CMAS and TESMA contracts.
A free consultation covers a site survey, a door and gate schedule and a written scope you can share with your leadership.