DouxProcess Directory

Ask for any business in the US.

NAICS 541330 · Engineering Services

you asked:

Engineering firm in Clayton, CA

Engineering firm in Clayton, CA; 962 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Siver Engineering, Inc

    ActiveCorporation registered in SAM.gov

    Clayton, CA

    Proof for Siver Engineering, Inc
    SAM.gov registration
    SAM.gov E4D1C99QZSK9
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 6, 2026
    Checked
    Nov 2, 2026
    Where
    Clayton, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  2. Carollo Engineers

    ActiveCorporation registered in SAM.gov

    Walnut Creek, CA · 5 mi away

    Proof for Carollo Engineers
    SAM.gov registration
    SAM.gov C7HVTLQZSWN4
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 24, 2027
    Checked
    Nov 2, 2026
    Where
    Walnut Creek, CA · serves California
    Phone
    (925) 932-1710
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  3. Kleinfelder

    ActiveCorporation registered in SAM.gov

    Pittsburg, CA · 5 mi away

    Proof for Kleinfelder
    SAM.gov registration
    SAM.gov VCN8QJ1MRVL5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 2, 2027
    Checked
    Nov 2, 2026
    Where
    Pittsburg, CA · serves California
    Phone
    (925) 427-6477
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record
  4. A & S Engineers, Inc.

    Engineering firm

    Walnut Creek, CA · 5 mi away

    Proof for A & S Engineers, Inc.
    Where
    Walnut Creek, CA · serves California
    Phone
    (925) 937-6700
    Listing
    Built from public records. Not claimed yet, so call them directly.
  5. GEA Energy Consulting & Engineering Services

    Engineering firm

    Pittsburg, CA · 5 mi away

    Proof for GEA Energy Consulting & Engineering Services
    Where
    Pittsburg, CA · serves California
    Phone
    (510) 289-1228
    Listing
    Built from public records. Not claimed yet, so call them directly.
  6. Golder / Wsp

    Engineering firm

    Walnut Creek, CA · 5 mi away

    Proof for Golder / Wsp
    Where
    Walnut Creek, CA · serves California
    Phone
    (925) 956-4800
    Listing
    Built from public records. Not claimed yet, so call them directly.
  7. Gts

    Engineering firm

    Walnut Creek, CA · 5 mi away

    Proof for Gts
    Where
    Walnut Creek, CA · serves California
    Phone
    (925) 478-8530
    Listing
    Built from public records. Not claimed yet, so call them directly.
  8. Isakson & Associates Inc.

    Engineering firm

    Walnut Creek, CA · 5 mi away

    Proof for Isakson & Associates Inc.
    Where
    Walnut Creek, CA · serves California
    Phone
    (925) 937-9333
    Listing
    Built from public records. Not claimed yet, so call them directly.
  9. Meridian Associates

    Engineering firm

    Walnut Creek, CA · 5 mi away

    Proof for Meridian Associates
    Where
    Walnut Creek, CA · serves California
    Phone
    (925) 932-4906
    Listing
    Built from public records. Not claimed yet, so call them directly.
  10. Res

    Engineering firm

    Pittsburg, CA · 5 mi away

    Proof for Res
    Where
    Pittsburg, CA · serves California
    Phone
    (925) 432-1755
    Listing
    Built from public records. Not claimed yet, so call them directly.
  11. Sequoia Engineering & Design

    Engineering firm

    Walnut Creek, CA · 5 mi away

    Proof for Sequoia Engineering & Design
    Where
    Walnut Creek, CA · serves California
    Phone
    (925) 891-4183
    Listing
    Built from public records. Not claimed yet, so call them directly.
  12. Azari Engineering Inc

    Engineering firm

    Concord, CA · 2 mi away

    Proof for Azari Engineering Inc
    Where
    Concord, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
  13. Dodson Engineers

    Engineering firm

    Walnut Creek, CA · 5 mi away

    Proof for Dodson Engineers
    Where
    Walnut Creek, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
  14. Proof for Eli Yagor, Sole Proprietor Dba Sequoia Engineering & Design Associates
    Where
    Walnut Creek, CA · serves California
    Phone
    (925) 891-4183
    Listing
    Built from public records. Not claimed yet, so call them directly.
  15. Fard Engineers, Inc

    Engineering firm

    Walnut Creek, CA · 5 mi away

    Proof for Fard Engineers, Inc
    Where
    Walnut Creek, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
  16. P A Design Resources Inc

    Engineering firm

    Walnut Creek, CA · 5 mi away

    Proof for P A Design Resources Inc
    Where
    Walnut Creek, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
  17. Pa Design Resources Inc

    Engineering firm

    Walnut Creek, CA · 5 mi away

    Proof for Pa Design Resources Inc
    Where
    Walnut Creek, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
  18. Pittsburg Power Company

    Engineering firm

    Pittsburg, CA · 5 mi away

    Proof for Pittsburg Power Company
    Where
    Pittsburg, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
  19. Raymundo Engineering

    Engineering firm

    Walnut Creek, CA · 5 mi away

    Proof for Raymundo Engineering
    Where
    Walnut Creek, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.
  20. Mia Cafe

    Engineering firm

    Walnut Creek, CA · 5 mi away

    Proof for Mia Cafe
    Where
    Walnut Creek, CA · serves California
    Listing
    Built from public records. Not claimed yet, so call them directly.

More cities in California

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