DouxProcess Directory

Ask for any business in the US.

NAICS 541330 · Engineering Services

you asked:

Engineering firm in Massapequa Park, NY

Engineering firm in Massapequa Park, NY; 1,293 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Reilly Tarantino Engineering

    Engineering firm

    Massapequa Park, NY

    Proof for Reilly Tarantino Engineering
    Where
    Massapequa Park, NY · serves New York
    Phone
    (631) 724-7888
    Listing
    Built from public records. Not claimed yet, so call them directly.
  2. Campbell Engineering Support Services, Inc.

    ActiveContractor Registry certificate (public works)

    Bethpage, NY · 5 mi away

    Proof for Campbell Engineering Support Services, Inc.
    New York contractor registration
    DOL 26-69A4U-CR
    Issuer
    New York Department of Labor
    Status
    Active
    Class
    Contractor Registry certificate (public works)
    Expires
    Aug 18, 2028
    Checked
    Nov 11, 2026
    Where
    Bethpage, NY · serves New York
    Phone
    (516) 597-5021
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 26-69A4U-CR → New York Department of Labor search
  3. Haider Engineering, P.C

    ActiveCorporation registered in SAM.gov

    Farmingdale, NY · 4 mi away

    Proof for Haider Engineering, P.C
    SAM.gov registration
    SAM.gov RJ2PJF2D6XZ2
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 2, 2026
    Checked
    Nov 2, 2026
    Where
    Farmingdale, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  4. Lkb Engineering PLLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Bethpage, NY · 5 mi away

    Proof for Lkb Engineering PLLC
    SAM.gov registration
    SAM.gov FYA8DKQXG4H3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Feb 17, 2027
    Checked
    Nov 2, 2026
    Where
    Bethpage, NY · serves New York
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  5. M & J Engineering, D.P.C

    ActiveContractor Registry certificate (public works)

    Farmingdale, NY · 4 mi away

    Proof for M & J Engineering, D.P.C
    New York contractor registration
    DOL 24-64RFF-CR
    Issuer
    New York Department of Labor
    Status
    Active
    Class
    Contractor Registry certificate (public works)
    Expires
    Dec 29, 2026
    Checked
    Nov 11, 2026
    Where
    Farmingdale, NY · serves New York
    Phone
    (516) 821-7309
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 24-64RFF-CR → New York Department of Labor search
  6. Soil Mechanics Drilling

    ActiveContractor Registry certificate (public works)

    Seaford, NY · 2 mi away

    Proof for Soil Mechanics Drilling
    New York contractor registration
    DOL 26-69DHN-CR
    Issuer
    New York Department of Labor
    Status
    Active
    Class
    Contractor Registry certificate (public works)
    Expires
    Jun 5, 2028
    Checked
    Nov 11, 2026
    Where
    Seaford, NY · serves New York
    Phone
    (516) 221-2333
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 26-69DHN-CR → New York Department of Labor search
  7. Tower Consulting Engineers

    ActiveContractor Registry certificate (public works)

    North Bellmore, NY · 5 mi away

    Proof for Tower Consulting Engineers
    New York contractor registration
    DOL 25-65DIX-CR
    Issuer
    New York Department of Labor
    Status
    Active
    Class
    Contractor Registry certificate (public works)
    Expires
    Mar 19, 2027
    Checked
    Nov 11, 2026
    Where
    North Bellmore, NY · serves New York
    Phone
    (516) 514-6235
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Look up 25-65DIX-CR → New York Department of Labor search
  8. City Plans & Permits, Inc.

    Engineering firm

    Bellmore, NY · 5 mi away

    Proof for City Plans & Permits, Inc.
    Where
    Bellmore, NY · serves New York
    Phone
    (516) 430-7093
    Listing
    Built from public records. Not claimed yet, so call them directly.
  9. Ducon Environmental Systems

    Engineering firm

    Farmingdale, NY · 4 mi away

    Proof for Ducon Environmental Systems
    Where
    Farmingdale, NY · serves New York
    Phone
    (631) 420-4900
    Listing
    Built from public records. Not claimed yet, so call them directly.
  10. Go Advance

    Engineering firm

    Wantagh, NY · 4 mi away

    Proof for Go Advance
    Where
    Wantagh, NY · serves New York
    Phone
    (516) 467-7046
    Listing
    Built from public records. Not claimed yet, so call them directly.
  11. IUOE Local 138

    Engineering firm

    Farmingdale, NY · 4 mi away

    Proof for IUOE Local 138
    Where
    Farmingdale, NY · serves New York
    Phone
    (631) 694-2480
    Listing
    Built from public records. Not claimed yet, so call them directly.
  12. Jl Drafting

    Engineering firm

    Farmingdale, NY · 4 mi away

    Proof for Jl Drafting
    Where
    Farmingdale, NY · serves New York
    Phone
    (631) 843-1949
    Listing
    Built from public records. Not claimed yet, so call them directly.
  13. Kagaoan Engineering

    Engineering firm

    Bellmore, NY · 5 mi away

    Proof for Kagaoan Engineering
    Where
    Bellmore, NY · serves New York
    Phone
    (516) 208-1533
    Listing
    Built from public records. Not claimed yet, so call them directly.
  14. Parker Electrical Group

    Engineering firm

    Seaford, NY · 2 mi away

    Proof for Parker Electrical Group
    Where
    Seaford, NY · serves New York
    Phone
    (917) 771-0937
    Listing
    Built from public records. Not claimed yet, so call them directly.
  15. Precision Networking Inc.

    Engineering firm

    Babylon, NY · 5 mi away

    Proof for Precision Networking Inc.
    Where
    Babylon, NY · serves New York
    Phone
    (917) 709-8007
    Listing
    Built from public records. Not claimed yet, so call them directly.
  16. Ramboll

    Engineering firm

    Lindenhurst, NY · 4 mi away

    Proof for Ramboll
    Where
    Lindenhurst, NY · serves New York
    Phone
    (631) 956-3096
    Listing
    Built from public records. Not claimed yet, so call them directly.
  17. Sears Heating And Air Conditioning

    Engineering firm

    Massapequa, NY · 2 mi away

    Proof for Sears Heating And Air Conditioning
    Where
    Massapequa, NY · serves New York
    Phone
    (934) 201-6004
    Listing
    Built from public records. Not claimed yet, so call them directly.
  18. Soundview Engineering,

    Engineering firm

    Amityville, NY · 2 mi away

    Proof for Soundview Engineering,
    Where
    Amityville, NY · serves New York
    Phone
    (516) 633-6489
    Listing
    Built from public records. Not claimed yet, so call them directly.
  19. Special Testing and Consulting

    Engineering firm

    Babylon, NY · 4 mi away

    Proof for Special Testing and Consulting
    Where
    Babylon, NY · serves New York
    Phone
    (631) 755-1112
    Listing
    Built from public records. Not claimed yet, so call them directly.
  20. Tetra Tech

    Engineering firm

    Farmingdale, NY · 4 mi away

    Proof for Tetra Tech
    Where
    Farmingdale, NY · serves New York
    Phone
    (631) 847-7762
    Listing
    Built from public records. Not claimed yet, so call them directly.

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 · Answers may be worded by Claude, an AI model from Anthropic; it never decides facts or order · How ranking works