Veteran-owned. Virginia-based. Built from the ground up.

We started in 2004 as a small consulting company, putting subject matter experts alongside companies that needed to win and run large federal programs. Today we design, install, and maintain the security, life safety, telecom, and infrastructure systems those programs depend on, from New England to Southern California.

Security camera mounted on a brick building corner

Exterior camera installation · VA hospital

SBA-Certified Service-Disabled Veteran-Owned Small Business | UEI FS6TFK4951W9 | CAGE 94V56 | Active in SAM

samj@callcus.com

WHERE WE CAME FROM

We learned the federal world from the inside.

Before we were pulling cable and commissioning panels, we were helping primes manage big, complex programs: compliance, governance, subcontractor integration, start-up and close-out. That background is why we run every job like a program, not just an install.

Over two decades, the work grew into what it is today: access control, video surveillance, intrusion detection, fire alarm, mass notification, structured cabling, servers, electrical, and now heavy equipment setting. Federal agencies, local governments, commercial clients, and hyperscale computing facilities. One team, one point of contact, start to finish.

Technician on a ladder repairing a ceiling in a hallway

Indoor cabling installation · VA hospital

LEADERSHIP

The people behind the work.

SAC

Samuel A. Cahoon

President / CEO

35+ years in program management, working for the largest defense contractors in the world. He leads Cahoon & Associates and sets the standard for every job we take on.

samuela@callcus.com

SJC

Sam J. Cahoon

VP Business Operations

20+ years in security and infrastructure. Your main point of contact for projects, proposals, and quotes.

samj@callcus.com

OUR COMMITMENT

What you can count on from us.

Value

We price jobs competitively by leaning on our own design work and the vendor relationships we've built. And we design systems that can grow and change with your staff and technology.

Experience

Our leadership brings 35+ years of program management at the largest defense contractors in the world and 20+ years in security and infrastructure. There isn't much in the systems world we haven't run into, and figured out.

Communication

You'll hear from us early and often. We stay in regular contact, and we're timely and responsive. Always.

Attitude

We show up ready to work and we treat your site, your staff, and your schedule with respect. Professionalism, excellence, and ethics, every day.

Safety

We follow OSHA job-site safety standards on every job, and every facility's own rules, down to the PPE. Everyone goes home safe.

Relationships

Honest, one-on-one communication. We value the relationships we've built with our customers and work hard to keep them.

Wall-mounted server cabinets in a utility room

Access control (PACS) installation: enclosure · VA hospital

WHERE WE WORK

Headquartered in Virginia. Working coast to coast.

Mid-Atlantic

Virginia (HQ) · Washington, DC · Maryland

Southeast

North Carolina · South Carolina · Florida

Northeast

New York · New England

Midwest

Illinois · Missouri · Kansas

West Coast

Southern California · Arizona · Nevada · Oregon

Want to see how we work?

Email us or send over your drawings. We'll take it from there.

Email Sam