DouxProcess Directory

Ask for any business in the US.

NAICS 541330 · Engineering Services

you asked:

Engineering firm in Smithtown, NY

7 engineering firm in Smithtown, NY; 361 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Energia Engineering PC

    ActiveCorporation registered in SAM.gov

    Smithtown, NY

    Proof for Energia Engineering PC
    SAM.gov registration
    SAM.gov D1NJE4A9D965
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Nov 21, 2026
    Checked
    Oct 23, 2026
    Where
    Smithtown, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  2. Midi

    Engineering firm

    Smithtown, NY

    Proof for Midi
    Where
    Smithtown, NY · serves New York
    Phone
    (866) 467-8686
    Listing
    Built from public records. Not claimed yet, so call them directly.
  3. Petracca Design & Engineering

    Engineering firm

    Smithtown, NY

    Proof for Petracca Design & Engineering
    Where
    Smithtown, NY · serves New York
    Phone
    (631) 361-9825
    Listing
    Built from public records. Not claimed yet, so call them directly.
  4. Tangel Engineering

    Engineering firm

    Smithtown, NY

    Proof for Tangel Engineering
    Where
    Smithtown, NY · serves New York
    Phone
    (631) 750-2800
    Listing
    Built from public records. Not claimed yet, so call them directly.
  5. Ecg Engineering, P.c

    Engineering firm

    Smithtown, NY

    Proof for Ecg Engineering, P.c
    Where
    Smithtown, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
  6. Jana Construction

    Engineering firm

    Smithtown, NY

    Proof for Jana Construction
    Where
    Smithtown, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
  7. Unique Technical Services Llc

    Engineering firm

    Smithtown, NY

    Proof for Unique Technical Services Llc
    Where
    Smithtown, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
  8. Intelligent Product Solutions

    ActiveCorporation registered in SAM.gov

    Hauppauge, NY · 3 mi away

    Proof for Intelligent Product Solutions
    SAM.gov registration
    SAM.gov L5HYEF5P4HL5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 1, 2027
    Checked
    Oct 23, 2026
    Where
    Hauppauge, NY · serves New York
    Phone
    (631) 676-7744
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  9. Advanced Testing Technologies Inc

    ActiveCorporation registered in SAM.gov

    Hauppauge, NY · 3 mi away

    Proof for Advanced Testing Technologies Inc
    SAM.gov registration
    SAM.gov SP9SDCSMMX78
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 22, 2027
    Checked
    Oct 23, 2026
    Where
    Hauppauge, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  10. Airpath Engineering, DPC

    ActiveContractor Registry certificate (public works)

    Hauppauge, NY · 3 mi away

    Proof for Airpath Engineering, DPC
    New York contractor registration
    DOL 24-64D6B-CR
    Issuer
    New York Department of Labor
    Status
    Active
    Class
    Contractor Registry certificate (public works)
    Expires
    Dec 29, 2026
    Checked
    Oct 30, 2026
    Where
    Hauppauge, NY · serves New York
    Phone
    (631) 357-3340
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 24-64D6B-CR → New York Department of Labor search
  11. Asr Managemnt & Technical Services

    ActiveCorporation registered in SAM.gov

    Hauppauge, NY · 3 mi away

    Proof for Asr Managemnt & Technical Services
    SAM.gov registration
    SAM.gov E5MFMJ9U75Y1
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 8, 2027
    Checked
    Oct 23, 2026
    Where
    Hauppauge, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  12. Cashin Associates PC, Cashin Associates, P.C.

    ActiveCorporation registered in SAM.gov

    Hauppauge, NY · 3 mi away

    Proof for Cashin Associates PC, Cashin Associates, P.C.
    SAM.gov registration
    SAM.gov NJY9G7BSZP54
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 10, 2027
    Checked
    Oct 23, 2026
    Where
    Hauppauge, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  13. Contractor Support Services Inc

    ActiveCorporation registered in SAM.gov

    Hauppauge, NY · 3 mi away

    Proof for Contractor Support Services Inc
    SAM.gov registration
    SAM.gov M4P2KZZL8FU9
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 24, 2026
    Checked
    Oct 23, 2026
    Where
    Hauppauge, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  14. Electronic Machiner Parts

    ActivePartnership or limited liability partnership registered in SAM.gov

    Hauppauge, NY · 3 mi away

    Proof for Electronic Machiner Parts
    SAM.gov registration
    SAM.gov TDFQNKNLJ1K3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Feb 9, 2027
    Checked
    Oct 23, 2026
    Where
    Hauppauge, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  15. L Stuart, Inc.

    ActiveCorporation registered in SAM.gov

    Commack, NY · 4 mi away

    Proof for L Stuart, Inc.
    SAM.gov registration
    SAM.gov GX8MFX7GQVB7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jun 16, 2027
    Checked
    Oct 23, 2026
    Where
    Commack, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  16. Roux Environmental Engineering & Geology, D.P.C.

    ActiveContractor Registry certificate (public works)

    Islandia, NY · 4 mi away

    Proof for Roux Environmental Engineering & Geology, D.P.C.
    New York contractor registration
    DOL 25-6HPYA-CR
    Issuer
    New York Department of Labor
    Status
    Active
    Class
    Contractor Registry certificate (public works)
    Expires
    Aug 12, 2027
    Checked
    Oct 30, 2026
    Where
    Islandia, NY · serves New York
    Phone
    (631) 232-2600
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 25-6HPYA-CR → New York Department of Labor search
  17. Stantec Consulting Services Inc.

    ActiveCorporation registered in SAM.gov

    Hauppauge, NY · 3 mi away

    Proof for Stantec Consulting Services Inc.
    SAM.gov registration
    SAM.gov QLVQWAEAWQ51
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 4, 2027
    Checked
    Oct 23, 2026
    Where
    Hauppauge, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  18. Supply Chain Management Inc 1 Com

    ActiveCorporation registered in SAM.gov

    Hauppauge, NY · 3 mi away

    Proof for Supply Chain Management Inc 1 Com
    SAM.gov registration
    SAM.gov FFRCH64LLR45
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Nov 2, 2026
    Checked
    Oct 23, 2026
    Where
    Hauppauge, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  19. TriState Planning Engineering & Land Surveying, P.C.

    ActiveContractor Registry certificate (public works)

    Hauppauge, NY · 3 mi away

    Proof for TriState Planning Engineering & Land Surveying, P.C.
    New York contractor registration
    DOL 25-64CD9-CR
    Issuer
    New York Department of Labor
    Status
    Active
    Class
    Contractor Registry certificate (public works)
    Expires
    Jan 8, 2027
    Checked
    Oct 30, 2026
    Where
    Hauppauge, NY · serves New York
    Phone
    (516) 496-7700
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 25-64CD9-CR → New York Department of Labor search
  20. Ttsi

    ActiveCorporation registered in SAM.gov

    Hauppauge, NY · 3 mi away

    Proof for Ttsi
    SAM.gov registration
    SAM.gov DQ67EKVYNWN5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 1, 2026
    Checked
    Oct 23, 2026
    Where
    Hauppauge, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

More cities in New York

Free for people · nobody pays to rank. Run one of these businesses? Claim it free.

Checked facts from public license files · How ranking works