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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
    • Testimonials
  • Contact
    • Career Opportunities

About Us – Areas We Serve

Home » About Us – Areas We Serve

Managed IT Services in Maryland, Virginia, Washington DC, Delaware, Pennsylvania, and Florida since 1987

Established in 1987 and headquartered in Annapolis, Maryland, ICSI is a Managed IT Services and Consulting firm. Cities in Maryland, Virginia, Washington DC, Delaware, Pennsylvania and Florida that we serve include: Annapolis, Arlington, Alexandria, Baltimore, Beltsville, Bethesda, Bowie, Catonsville, Clinton, College Park, Columbia, Falls Church, Fairfax, Frederick, Greenbelt, Harrisburg, Hyattsville, Johnstown, McLean, Reston, Rockville, Scranton, Silver Spring, Tampa, Vienna, Washington, DC, and York

We provide Managed IT Services to various industries in Maryland, Virginia, Washington DC, Delaware, Pennsylvania and Florida, including Medical Practices, Non-Profit Organizations, Real Estate Offices, Construction Firms, Consulting Agencies, and Engineering Groups.

ICSI Business Principles

At ICSI, we are committed to bringing excellence to the Managed IT Services industry via our IT staffing and software partnerships. We employ the highest levels of quality in our solutions.

One of our strategic solutions is to address the client’s requirements and maximize the productivity of their assets. We provide talented, service-oriented consulting professionals who will assist in implementing our commercial and residential client’s goals.

During the careful consultant screening process, we adhere to the tenet of equal opportunity for all regardless of race, religion, color, sex, creed, age, marital status, sexual orientation, or national origin.

Be assured, ICSI Managed IT Services consultants preserve all proprietary information relating to the business of their clients; comply with the clients’ established business practices, and play an important role throughout the clients’ projects.

Managed IT Services in Maryland, Virginia, Washington DC, Delaware, Pennsylvania and Florida since 1987

  • 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

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