Engineering & Surveying in Nassau County, NY
155 engineering firms listed · Updated Oct 27, 2026
Compare engineering and land surveying firms in Nassau County and request free quotes.
Avahere lists 155 engineering firms across 46 Nassau County towns. Of these, 20 show a public phone number, 101 link to a website and 20 list a street address. The most listings are in Valley Stream (13), Hicksville (10), Syosset (10). None of these businesses has claimed its page yet, so the details come from public business records.
Get free quotesResults
22. Advanced Energy Systems Inc
UnclaimedNo reviews yetEngineerHicksville
Serves Hicksville and nearby
24. Amay Associates Corp
UnclaimedNo reviews yetEngineerFranklin Square
Serves Franklin Square and nearby
27. Artec Systems Group Inc
UnclaimedNo reviews yetEngineerPort Washington
Serves Port Washington and nearby
29. Bihrle Applied Research Inc
UnclaimedNo reviews yetEngineerOyster Bay
Serves Oyster Bay and nearby
Get free quotes from engineering & surveying in Nassau County
Describe your job once. Local businesses reply, and you choose who to hire. Free for you, and no lead fees for them.
What do you need?
Get free quotesTowns with engineering & surveying
46 Nassau County towns, A–Z. Pick yours to see local listings.
- Albertson1
- Baldwin2
- Bellmore1
- Bethpage4
- Cedarhurst1
- East Meadow2
- Floral Park2
- Franklin Square3
- Freeport6
- Garden City6
- Glen Cove4
- Glen Head1
- Great Neck9
- Hempstead1
- Hicksville10
- Inwood1
- Jericho3
- Lawrence1
- Locust Valley1
- Long Beach2
- Lynbrook4
- Malverne1
- Manhasset1
- Massapequa2
- Massapequa Park2
- Merrick6
- Mineola4
- New Hyde Park5
- Oceanside2
- Old Bethpage1
- Oyster Bay4
- Plainview7
- Point Lookout1
- Port Washington3
- Rockville Centre3
- Roosevelt1
- Roslyn1
- Roslyn Heights2
- Seaford3
- Syosset10
- Uniondale3
- Valley Stream13
- West Hempstead1
- Westbury4
- Woodbury6
- Woodmere4
Engineering & Surveying in Nassau County: common questions
How many engineering firms are in Nassau County, NY?
Avahere lists 155 engineering firms across 46 towns in Nassau County.
How do I get quotes from engineering firms on Avahere?
Describe your job once and local engineering firms 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 engineering firm 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.