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  • Managed IT Services
    • Fully Managed IT Services
    • Co-Managed IT Support
    • Virtual IT Help Desk Support
  • Industries
    • Healthcare Managed IT Support
    • Construction and Manufacturing Managed IT Services
    • Government Contractor Managed IT Services
    • Non-Profit Managed IT Support
    • Small and Medium Size Business Managed IT Services
    • Financial Services Managed IT Support
    • Transportation and Logistics Managed IT Services, Support & Solutions
  • Services & Consulting
    • Office 365 Support
    • Network Security
    • Risk Assessments
    • Office Moves and Network Configuration
    • Disaster Recovery and Business Continuity Planning
    • Internet and Cloud Phone Services (VoIP)
    • IT Staff Augmentation
    • Cloud Services Evaluation & Integration
    • Website Services
  • Residential Services
  • Blogs
    • Weekly IT Security Tip
    • Tech Tips for Business Owners
    • Cyber Security Reports
      • IT Buyers Guide
      • 21 Critical Questions Your IT Consultant Should Be Able to Say ‘Yes’ To
      • Protecting & Preserving Your IT Network Security
      • Top 10 Ways Hackers Get Around Your Firewall & Anti-Virus
      • The Dangers of Cybercrime to Your Company & You
  • About Us
    • Areas We Serve
      • Delaware
      • Florida
      • Maryland
      • Pennsylvania
      • Virginia
      • Washington DC
    • Business Principles
    • Leadership Team
    • Testimonials
  • Contact
    • Career Opportunities

Managed IT Services Company Servicing the DC Metro area Since 1987

Is your network secure? • Are your backups being monitored? • Are you experiencing delayed response times from your IT Vendor? • Ready for reliable, 24/7, leading-edge Managed IT Services?
Call (410) 280-3000 now!

Managed IT Services Providers

We Manage Your IT…
You Manage Your Business

Our Managed IT Services team is ready to proactively monitor your network, provide onsite & virtual support, and work with your organization to provide an IT roadmap.

Request Your Free IT Assessment

    Managed IT Services

    Outsourced Managed IT Support

    Guaranteed Response Times

    On Demand Virtual Support

    Network Security Services

    Managed Firewall Services

    In-depth Tracking and Reporting of Threats

    Enforce Security Procedures

    Managed Device Warranties

    Cloud Computing

    Virtualization

    Hosted Applications

    Office 365

    Managed Backups

    Technical Expertise

    Remote Assistance

    Help Desk/Phone Support

    Desktop and Software Support

    Troubleshooting

    • I break things, they fix it!

      I use my computer for both work and personal use. When I break things, ICSI responds quickly. They fix me up remotely while I’m off doing other things.

      It is great comfort for me knowing that ICSI is there to help me. Premiere service with competitive pricing and their technicians are the best!

      Customer since 2022

      Bob K., Construction Industry
    • The Greatest

      ICSI has been the greatest.  Prompt service, knowledgeable, very helpful, and there’s not too many problems they can’t solve if anything.

      Customer since 2016

      Ronnie B., Information Technology - Construction Industry
    • Accurate and efficient

      An amazing IT team that works accurately and efficiently! We’ve worked with various staff members for many different issues and ICSI has been able to help solve all of our needs!

      Customer since 2018

      M. F., Founder - Restaurant Services
    • They deliver day in and out all our IT needs

      It took me three IT companies until I finally found a real company to use which was ICSI. They deliver day in and day out with all my IT needs. They handle anything and everything with speed and efficiency. I sleep better at night knowing they have my entire system protected. As a side note, Ben our main point of contact pushes my rating to 6/5 stars!

      Customer since 2021

      Charles M., Chief Executive Officer - Wealth Management
    • They Exceeded Our Expectations!

      I would recommend ICSI to anyone on the fence. Their customer service and response time is quick.

      ICSI is knowledgeable and has completed exceeded our expectations, delivering excellent customer service and responsiveness to problems when they arise. I would recommend them to anyone looking for an IT firm that will deliver top-notch customer service and highly effective solutions.

      We have no regrets, they provide excellent value. Give them a call today. 410-280-3000.

      Customer since 2018

      Paul S., Director of Operations - Non-profit Association
    • Committed, Consistent and Responsive

      The single biggest benefit of ICSI as our IT Service provider is peace of mind.

      They are better than other IT firms we may have worked with in the past, we like their commitment, consistent service, and responsiveness to issues.

      ICSI provides a well-managed network that rarely has issues. They maintain all our updates and troubleshoot issues. Ya’ll have taken such great care of us.

      They truly take care of everything. You don’t have to worry. Call them today!

      Customer since 2018

      Sara L., Chief of Staff - Non-profit
    • You Won’t Find Anyone Better In The Industry!

      As a long time client of ICSI, we can attest to the fact that they actually care. ICSI’s customer service and subject matter expertise far exceed industry standards. The courtesy and promptness of the customer service experience, from acquiring new services, or troubleshooting existing, have positioned our team for success. ICSI personnel analyze and advise as to best practices at every level, helping our Association drive performance, efficiency, and cost savings. Their team genuinely values and appreciates their clients, something not often found in the industry today, going above and beyond to ensure customer satisfaction at every level.

      Thank you to the ICSI team. Please give them a call today, you won’t regret it.

      Customer since 2021

      Don O., Executive Director - Non-profit Association
    • I’d highly recommend them.
      My company was apprehensive about switching IT companies, but we are so glad we switched to ICSI. They are responsive, don’t have hidden costs and were knowledgeable enough to take over without missing a beat.

      Customer since 2016

      April A., Office Manager - Alarm Company
    • Everything you want your IT team to be and much more!
      We have been putting our trust in ICSI for over 10 years! They are knowledgeable, efficient, proactive and courteous.

      Customer since 2008

      Janet D., Information Technology - Manufacturing Equipment
    • The biggest benefit of working with ICSI is knowing I can completely trust them to advise on all things IT.
      Their technical expertise, combined with their exceptional customer service, make them my ideal IT partner. ICSI’s pricing, knowledge, and availability are second to none in the field. I recommend ICSI as your IT support provider, they will consistently exceed your expectations!

      Customer since 2013

      Jeanne S., VP of Operations - Vascular Medical Practice
    • ICSI is the hands down the best IT firm.
      They take a vested interest in your organization to provide the best resources available to contribute to your overall success. Their employees are outstanding and the service is fabulous.

      Customer since 2015

      Jazmin G., Practice Admin - Ophthalmology
    • Deciding to partner with ICSI is the best decision I’ve made in years.
      ICSI has been incredibly reliable. This cannot be emphasized enough.

      See Letter of Recommendation

      Customer since 2014

      Robert B., Vice President - Construction Industry
    • Always very thorough, timely, strong on follow-up and that allows our organization to focus on what we do best.
      I would surmise one of the benefits to our partnership with ICSI, if not the most important, is that we can trust that they always handle items and situations for us as if they were handling them for themselves.

      Customer since 2016

      Mike L., Chief Technology Officer - Outsourced HR Industry
    • The ICSI Team is amazing!
      The entire staff is extremely helpful and quick to respond to your needs.

      Customer since 2018

      Khaleed R., Marketing Manager - Restaurant Services
    See what other clients are saying

    Healthcare Managed IT Services

    Medical Practices and healthcare providers need to stay ahead of not only their day-to-day IT challenges but also keep up to date with the latest HIPAA requirements and EMR/EHR support needs. ICSI Managed IT Support address these issues.

    Construction and Engineering Managed IT Support

    Our engineering and construction partners cannot afford downtime. It is not acceptable for project plans or blueprints to be delayed, in order to prevent this these organizations rely upon ICSI Managed IT Services to build a reliable IT infrastructure.

    Non-Profit Managed IT Services

    ICSI understands that today more than ever non-profits rely on technology to achieve their goals, whether it is to reach new donors, volunteers, or servicing their constituents better. They need a budget friendly and dependable Managed IT Support Team to succeed!

    Small and Medium Size Business Managed IT Services

    When your company expands so do your technical needs. Organizations rely on ICSI to architect and maintain their IT foundation. Business owners see the value in allowing ICSI Managed IT Support to handle their day to day IT needs instead of forming their own IT department.

    Financial Services Managed IT Support

    Downtime means revenue out the door. ICSI Managed IT Services provide our Financial clients with an infrastructure that is secure, reliable, and redundant. All while keeping their IT budget at a fixed monthly cost.

    Transportation and Logistics Managed IT Services

    The transportation and logistics industry has seen a drastic disruption in the past few years. Transportation companies need to meet the demands of the changing market and ICSI Managed IT Support assists these organizations with staying competitive in their industry by keeping them ahead of government regulations and consumer demands.

    Schedule your FREE IT Assessment!

    We Manage your IT.
    You manage your business.

    Contact Us

    • ICSI
      1612 McGuckian St
      Suite 200
      Annapolis, MD 21401
    • 410-280-3000
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