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Chicagoland · Homer Glen, IL

IT support for Chicagoland businesses.

Managed IT, cybersecurity and on-site support from our Homer Glen headquarters, serving businesses across Chicago and the suburbs since 2010.

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AJTC leadership team outside the Homer Glen headquarters
Since 2010Serving businesses
24/7Client support
4.9 111 Google reviews
On-siteAcross Chicagoland

Chicago IT services

A local team that shows up.

AJTC started in Homer Glen in 2010 and has grown into a full managed IT provider for businesses across Chicagoland, from medical practices and manufacturers to professional services firms and nonprofits.

Our helpdesk answers 24/7, and when something needs hands on site, our engineers are nearby. Every client gets a dedicated team that knows their environment, their people and their goals.

AJTC Chicago team in a weekly client review

Services in Chicago

Everything your Chicago business runs on.

Managed IT & HelpdeskA dedicated team that answers fast, fixes it right and keeps everything patched and monitored.CybersecurityLayered protection for your people, devices and data — without slowing anyone down.Backup & Disaster RecoveryEncrypted, multi-location backups you can actually restore from when it matters.Cloud & Microsoft 365Migrate, secure and get more out of Microsoft 365, Azure and the cloud tools you already pay for.Infrastructure & NetworkingNetworks, hardware and cabling planned and installed to last — from one office to many.VoIP & Security SystemsBusiness phone systems, cameras and access control, managed by the same team as your IT.

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AJTC Chicago

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Areas we serve

  • Chicago
  • Homer Glen
  • Orland Park
  • Tinley Park
  • Lockport
  • Mokena
  • Frankfort
  • New Lenox
  • Palos Heights
  • Joliet
  • Bolingbrook
  • Naperville
  • Aurora
  • Wheaton
  • Oak Brook
  • Cicero
  • Schaumburg
  • Arlington Heights
  • Palatine
  • Skokie
  • Evanston
  • Elgin
  • Cary
  • Hampshire
  • Waukegan
  • Wilmington
  • Northwest Indiana
  • Kenosha, WI

“It’s great working with a technology company like AJTC. They have the knowledge, experience, and resources to keep our network and people running smoothly.”

Mike Carney · Flow-Technics

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FAQ

IT support in Chicago: common questions.

Something else on your mind? Ask us directly.

Do you provide on-site IT support in Chicago?

Yes. Our engineers provide on-site support throughout Chicago and the suburbs from our Homer Glen headquarters, in addition to 24/7 remote support.

Which Chicago suburbs do you serve?

We support businesses across Chicagoland, including the southwest, west and northwest suburbs, the North Shore, and nearby Northwest Indiana and southeast Wisconsin.

How quickly can you get someone on site?

Most issues are resolved remotely within minutes. When on-site work is needed, we schedule it based on urgency, and outages that stop work are prioritized.

Can we visit your office?

Of course. Our headquarters is at 13231 W 143rd St, Suite 105 in Homer Glen. Schedule a visit and meet the team.

Also serving Greater Phoenix from our Phoenix office.

IT support in Phoenix

Let's talk about your Chicago office.

A free, no-pressure assessment of your network, security and costs, with clear recommendations whether you work with us or not.

Schedule a free assessment 708.942.8200