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IT Services & Telecom in Nassau County, NY

815 IT services companies listed · Updated Oct 27, 2026

Compare IT, software and telecom companies in Nassau County for support, networks, security, phones and internet, and request quotes.

Avahere lists 815 IT services companies across 60 Nassau County towns. Of these, 57 show a public phone number, 471 link to a website and 52 list a street address. The most listings are in Mineola (44), Great Neck (43), Hicksville (39). None of these businesses has claimed its page yet, so the details come from public business records.

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815 results

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  20. 120. Cheap Geeks

    Unclaimed
    No reviews yet

    IT Services CompanyFranklin Square

    Serves Franklin Square and nearby

    Website

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Towns with IT services & telecom

60 Nassau County towns, A–Z. Pick yours to see local listings.

IT Services & Telecom in Nassau County: common questions

How many IT services companies are in Nassau County, NY?
Avahere lists 815 IT services companies across 60 towns in Nassau County.
How do I get quotes from IT services companies on Avahere?
Describe your job once and local IT services companies that fit can reply with questions and quotes. It is free for you and for the businesses, and you decide who to hire, if anyone.
I run a IT services company business. How do I update my listing?
Find your business and choose "Claim it free". After a quick check you can edit your details, add services and photos, and answer customers at no cost.
Is Avahere free?
Yes. Avahere is free for customers and for businesses. There are no lead fees, and businesses cannot pay to rank higher.

Listings come from public business records and from business owners. Avahere does not show owner names or private contact details. Spot a mistake or want a listing removed? Remove a listing or contact us.