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NAICS 541330 · Engineering Services

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Engineering firm in Portsmouth, NH

9 engineering firm in Portsmouth, NH; 29 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Appledore Marine Engineering, LLC

    ActiveCorporation registered in SAM.gov

    Portsmouth, NH

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    Proof for Appledore Marine Engineering, LLC
    SAM.gov registration
    SAM.gov QGMDLA2YJ9C4
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 9, 2027
    Checked
    Oct 23, 2026
    Where
    Portsmouth, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  2. Cma Engineers Inc

    ActiveCorporation registered in SAM.gov

    Portsmouth, NH

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    Proof for Cma Engineers Inc
    SAM.gov registration
    SAM.gov FCEFV7ARBA36
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 31, 2027
    Checked
    Oct 23, 2026
    Where
    Portsmouth, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  3. Collins Engineers Inc

    ActiveCorporation registered in SAM.gov

    Portsmouth, NH

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    Proof for Collins Engineers Inc
    SAM.gov registration
    SAM.gov F4KVJEAB4J68
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 23, 2027
    Checked
    Oct 23, 2026
    Where
    Portsmouth, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  4. Csi Engineering LLC

    ActiveOther organization registered in SAM.gov

    Portsmouth, NH

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    Proof for Csi Engineering LLC
    SAM.gov registration
    SAM.gov HET7ELAMN2C1
    Issuer
    SAM.gov
    Status
    Active
    Class
    Other organization registered in SAM.gov
    Expires
    Jul 30, 2027
    Checked
    Oct 23, 2026
    Where
    Portsmouth, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  5. Kaplan Technologies LLC

    ActiveSole proprietorship registered in SAM.gov

    Portsmouth, NH

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    Proof for Kaplan Technologies LLC
    SAM.gov registration
    SAM.gov EPXFR3899PH7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Jun 3, 2027
    Checked
    Oct 23, 2026
    Where
    Portsmouth, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  6. Nilestone Infrastructure Consulting, LLC

    ActiveOther organization registered in SAM.gov

    Portsmouth, NH

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    Proof for Nilestone Infrastructure Consulting, LLC
    SAM.gov registration
    SAM.gov TCXFUN2KEJ63
    Issuer
    SAM.gov
    Status
    Active
    Class
    Other organization registered in SAM.gov
    Expires
    Apr 8, 2027
    Checked
    Oct 23, 2026
    Where
    Portsmouth, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  7. Underwood Engineers Inc, Underwood Engineers, Inc.

    ActiveCorporation registered in SAM.gov

    Portsmouth, NH

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    Proof for Underwood Engineers Inc, Underwood Engineers, Inc.
    SAM.gov registration
    SAM.gov MKYRKNZRA4P6
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Nov 5, 2026
    Checked
    Oct 23, 2026
    Where
    Portsmouth, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  8. United Automation Inc

    ActiveCorporation registered in SAM.gov

    Portsmouth, NH

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    Proof for United Automation Inc
    SAM.gov registration
    SAM.gov SCQ2T8Y2XFG6
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 6, 2027
    Checked
    Oct 23, 2026
    Where
    Portsmouth, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  9. Vidarr Inc

    ActiveCorporation registered in SAM.gov

    Portsmouth, NH

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    Proof for Vidarr Inc
    SAM.gov registration
    SAM.gov DQJXNW1KWLW1
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 26, 2027
    Checked
    Oct 23, 2026
    Where
    Portsmouth, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  10. Windward Turbine Energy, LLC

    ActiveSole proprietorship registered in SAM.gov

    New Castle, NH · 3 mi away

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    Proof for Windward Turbine Energy, LLC
    SAM.gov registration
    SAM.gov QRN5EBA7MRM7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Nov 12, 2026
    Checked
    Oct 23, 2026
    Where
    New Castle, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  11. Argentech Solutions, Inc.

    ActiveCorporation registered in SAM.gov

    Newmarket, NH · 8 mi away

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    Proof for Argentech Solutions, Inc.
    SAM.gov registration
    SAM.gov XHXYJN3GXAM7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 3, 2027
    Checked
    Oct 23, 2026
    Where
    Newmarket, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  12. Nexus Reviews, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Hampton, NH · 9 mi away

    Ask it
    Proof for Nexus Reviews, LLC
    SAM.gov registration
    SAM.gov JCG3DZV5F286
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jun 22, 2027
    Checked
    Oct 23, 2026
    Where
    Hampton, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  13. Advanced Automation LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Dover, NH · 10 mi away

    Ask it
    Proof for Advanced Automation LLC
    SAM.gov registration
    SAM.gov JFN4LMLWMKS7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Mar 26, 2027
    Checked
    Oct 23, 2026
    Where
    Dover, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  14. Celtrics LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Exeter, NH · 12 mi away

    Ask it
    Proof for Celtrics LLC
    SAM.gov registration
    SAM.gov K3E8MA28MKA3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Oct 1, 2027
    Checked
    Oct 23, 2026
    Where
    Exeter, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  15. Waldron Engineering & Construction, Inc.

    ActiveCorporation registered in SAM.gov

    Exeter, NH · 12 mi away

    Ask it
    Proof for Waldron Engineering & Construction, Inc.
    SAM.gov registration
    SAM.gov RQWLCL79LBM8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 16, 2027
    Checked
    Oct 23, 2026
    Where
    Exeter, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  16. Wangard Engineering PLLC

    ActiveCorporation registered in SAM.gov

    Dover, NH · 10 mi away

    Ask it
    Proof for Wangard Engineering PLLC
    SAM.gov registration
    SAM.gov YUZWQ62C14Y8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 27, 2027
    Checked
    Oct 23, 2026
    Where
    Dover, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  17. Arktiska Materials Solutions LLC

    ExpiredCorporation registered in SAM.gov

    Madbury, NH · 11 mi away

    Ask it
    Proof for Arktiska Materials Solutions LLC
    SAM.gov registration
    SAM.gov MEVMGCSPB735
    Issuer
    SAM.gov
    Status
    Expired
    Class
    Corporation registered in SAM.gov
    Expires
    Oct 31, 2026
    Checked
    Oct 23, 2026
    Where
    Madbury, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  18. Axis Engineering Group LLC

    ActiveSole proprietorship registered in SAM.gov

    Rochester, NH · 20 mi away

    Ask it
    Proof for Axis Engineering Group LLC
    SAM.gov registration
    SAM.gov UZW1FM5Q2B42
    Issuer
    SAM.gov
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Jul 30, 2027
    Checked
    Oct 23, 2026
    Where
    Rochester, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  19. Ultrasea, Inc.

    ActiveCorporation registered in SAM.gov

    East Kingston, NH · 15 mi away

    Ask it
    Proof for Ultrasea, Inc.
    SAM.gov registration
    SAM.gov SLCMBA2HE9W8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 25, 2027
    Checked
    Oct 23, 2026
    Where
    East Kingston, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  20. Bond Bruce

    ActiveSole proprietorship registered in SAM.gov

    Rochester, NH · 20 mi away

    Ask it
    Proof for Bond Bruce
    SAM.gov registration
    SAM.gov V37KFGKMURG5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Nov 4, 2026
    Checked
    Oct 23, 2026
    Where
    Rochester, NH · serves New Hampshire
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

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