Business Services

Business technology and security services under one roof.

CSI TECHS provides a full business technology stack, from surveillance and access control to networking, phones, office installs, and ongoing support. Each service is separated clearly so you can get to the right solution faster.

Security Systems

Physical visibility and controlled access

  • Access control
  • Security cameras
  • Wireless access points for secure coverage
Network Infrastructure

Core business connectivity

  • Network installation
  • Wireless networking
  • Structured cabling
  • Firewall installation
Business Operations

Workstations, offices, and support

  • New office installs
  • PC repair
  • POS systems
  • VoIP and phone systems
  • Managed IT support
AC

Access Control

Secure entry systems, credentials, controllers, maglocks, keypad entry, and facility workflows.

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SC

Security Cameras

Surveillance architecture, NVRs, remote access, retention planning, and multi-site monitoring.

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NI

Network Installation

Structured network builds, switching, routing, VLANs, rack work, and clean deployment paths.

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WN

Wireless Networking

Coverage planning, capacity tuning, access point design, and stable business Wi-Fi.

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OI

New Office Installs

Full office bring-up for phones, workstations, cabling, cameras, and connectivity.

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PC

PC Repair

Workstation troubleshooting, cleanup, replacement, malware removal, and recovery.

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POS

POS Systems

Retail and hospitality station support, printer issues, back-office connectivity, and stability.

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VO

VoIP & Phone Systems

Extensions, voice quality, call routing, office telephony installs, and cutover support.

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FW

Firewall Installation

Secure edge design, remote access, policy hardening, segmentation, and branch connectivity.

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AP

Wireless Access Points

High-quality AP placement, guest SSIDs, roaming, controller setup, and wireless upgrades.

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IT

Managed IT Support

Remote helpdesk, ongoing maintenance, endpoint protection, backups, and business continuity.

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DV

Structured Cabling

Cat5e, Cat6, fiber, patching, terminations, cleanup, and infrastructure for growth.

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Why Businesses Choose CSI

Clearer communication

Businesses that need cameras, access control, networking, or office systems can get to the right conversation without wasting time.

Project Advantage

More precise scoping

It is easier to explain the problem, set expectations, and start the right kind of work quickly when the service path is clear.

Service Area

Local base, broader reach

CSI TECHS is based in San Antonio, TX and serves both local businesses and clients in other markets when the scope is a good fit.