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NAICS 541990 · All Other Professional, Scientific, and Technical Services

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Professional services in Port Washington, NY

24 professional services in Port Washington, NY. Every listing checked against the issuer's record, in the published order.

  1. Hashcore Dlt Inc

    ActiveCorporation registered in SAM.gov

    Port Washington, NY

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    Proof for Hashcore Dlt Inc
    SAM.gov registration
    SAM.gov MKSHR81WTHC9
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 1, 2027
    Checked
    Nov 2, 2026
    Where
    Port Washington, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  2. Kathleen A. Donovan

    ActiveSole proprietorship registered in SAM.gov

    Port Washington, NY

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    Proof for Kathleen A. Donovan
    SAM.gov registration
    SAM.gov JPNDQLAGDJS3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Apr 1, 2027
    Checked
    Nov 2, 2026
    Where
    Port Washington, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  3. Amicus Creative Media LLC

    Professional services

    Port Washington, NY

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    Proof for Amicus Creative Media LLC
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 858-3771
    Listing
    Built from public records. Not claimed yet, so call them directly.

  4. Baltimore Design Group

    Professional services

    Port Washington, NY

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    Proof for Baltimore Design Group
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 944-2400
    Listing
    Built from public records. Not claimed yet, so call them directly.

  5. BigTinyDesigns

    Professional services

    Port Washington, NY

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    Proof for BigTinyDesigns
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 500-7130
    Listing
    Built from public records. Not claimed yet, so call them directly.

  6. Charlotte's Closet Headquarters

    Professional services

    Port Washington, NY

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    Proof for Charlotte's Closet Headquarters
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 570-0200
    Listing
    Built from public records. Not claimed yet, so call them directly.

  7. Client Solution

    Professional services

    Port Washington, NY

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    Proof for Client Solution
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 944-3200
    Listing
    Built from public records. Not claimed yet, so call them directly.

  8. David Jonathan Massa Architect

    Professional services

    Port Washington, NY

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    Proof for David Jonathan Massa Architect
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 883-4493
    Listing
    Built from public records. Not claimed yet, so call them directly.

  9. Franchetti Communications, Inc.

    Professional services

    Port Washington, NY

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    Proof for Franchetti Communications, Inc.
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 365-6026
    Listing
    Built from public records. Not claimed yet, so call them directly.

  10. Hummingbird Web Design

    Professional services

    Port Washington, NY

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    Proof for Hummingbird Web Design
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 883-3851
    Listing
    Built from public records. Not claimed yet, so call them directly.

  11. Larick Associates

    Professional services

    Port Washington, NY

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    Proof for Larick Associates
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 883-1489
    Listing
    Built from public records. Not claimed yet, so call them directly.

  12. Liv Yachts

    Professional services

    Port Washington, NY

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    Proof for Liv Yachts
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 405-6070
    Listing
    Built from public records. Not claimed yet, so call them directly.

  13. Minuteman in Port Washington

    Professional services

    Port Washington, NY

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    Proof for Minuteman in Port Washington
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 944-4449
    Listing
    Built from public records. Not claimed yet, so call them directly.

  14. N2 Design+architecture Pc

    Professional services

    Port Washington, NY

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    Proof for N2 Design+architecture Pc
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 883-4907
    Listing
    Built from public records. Not claimed yet, so call them directly.

  15. New York Fire Detection Inc

    Professional services

    Port Washington, NY

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    Proof for New York Fire Detection Inc
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 883-3900
    Listing
    Built from public records. Not claimed yet, so call them directly.

  16. Nimo Design Studio

    Professional services

    Port Washington, NY

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    Proof for Nimo Design Studio
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 455-8533
    Listing
    Built from public records. Not claimed yet, so call them directly.

  17. Omnizant, Llc

    Professional services

    Port Washington, NY

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    Proof for Omnizant, Llc
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 830-4411
    Listing
    Built from public records. Not claimed yet, so call them directly.

  18. Pig Pen Studios, Inc.

    Professional services

    Port Washington, NY

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    Proof for Pig Pen Studios, Inc.
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 883-2500
    Listing
    Built from public records. Not claimed yet, so call them directly.

  19. RMF Crisis Management Consultants LLC

    Professional services

    Port Washington, NY

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    Proof for RMF Crisis Management Consultants LLC
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 667-6005
    Listing
    Built from public records. Not claimed yet, so call them directly.

  20. Shred Nations

    Professional services

    Port Washington, NY

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    Proof for Shred Nations
    Where
    Port Washington, NY · serves New York
    Phone
    (516) 252-3737
    Listing
    Built from public records. Not claimed yet, so call them directly.

More cities in New York

New York 6,534Brooklyn 1,241Rochester 274Buffalo 248Syracuse 135Albany 121Bronx 118Long Island City 106Staten Island 82Huntington 73White Plains 71Flushing 69Hempstead 62Saratoga Springs 62Astoria 49Oyster Bay 49

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