DouxProcess Directory
Add to your AI

Ask for any business in the US.

NAICS 541330 · Engineering Services

you asked:

Engineering firm in Willowbrook, IL

6 engineering firm in Willowbrook, IL; 1,056 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Raths Raths & Johnson Engineering Architecture

    ActiveCorporation registered in SAM.gov

    Willowbrook, IL

    Ask it
    Proof for Raths Raths & Johnson Engineering Architecture
    SAM.gov registration
    SAM.gov KKCLGUGRKWN6
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 16, 2027
    Checked
    Oct 23, 2026
    Where
    Willowbrook, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  2. Hcm Systems Inc

    Engineering firm

    Willowbrook, IL

    CallAsk it
    Proof for Hcm Systems Inc
    Where
    Willowbrook, IL · serves Illinois
    Phone
    (630) 734-1093
    Listing
    Built from public records. Not claimed yet, so call them directly.

  3. Raths, Raths & Johnson, Inc.

    Engineering firm

    Willowbrook, IL

    CallAsk it
    Proof for Raths, Raths & Johnson, Inc.
    Where
    Willowbrook, IL · serves Illinois
    Phone
    (630) 325-6160
    Listing
    Built from public records. Not claimed yet, so call them directly.

  4. Rimkus

    Engineering firm

    Willowbrook, IL

    CallAsk it
    Proof for Rimkus
    Where
    Willowbrook, IL · serves Illinois
    Phone
    (630) 321-1846
    Listing
    Built from public records. Not claimed yet, so call them directly.

  5. He Systems Technologies

    Engineering firm

    Willowbrook, IL

    Ask it
    Proof for He Systems Technologies
    Where
    Willowbrook, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  6. Pac Seal

    Engineering firm

    Willowbrook, IL

    Ask it
    Proof for Pac Seal
    Where
    Willowbrook, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  7. Comm-Ence Engineering, LLC

    ActiveSole proprietorship registered in SAM.gov

    Darien, IL · 3 mi away

    Ask it
    Proof for Comm-Ence Engineering, LLC
    SAM.gov registration
    SAM.gov LQVGQKLNPQU5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Sep 1, 2027
    Checked
    Oct 23, 2026
    Where
    Darien, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  8. Cotter Consulting LLC

    ActiveCorporation registered in SAM.gov

    Burr Ridge, IL · 2 mi away

    Ask it
    Proof for Cotter Consulting LLC
    SAM.gov registration
    SAM.gov D4QKJWLP7JX7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 30, 2027
    Checked
    Oct 23, 2026
    Where
    Burr Ridge, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  9. Program Management & Control Services LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    La Grange, IL · 4 mi away

    Ask it
    Proof for Program Management & Control Services LLC
    SAM.gov registration
    SAM.gov FXS4JDCW5J96
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jan 7, 2027
    Checked
    Oct 23, 2026
    Where
    La Grange, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  10. Smith Lasalle Inc

    ActiveCorporation registered in SAM.gov

    Western Springs, IL · 3 mi away

    Ask it
    Proof for Smith Lasalle Inc
    SAM.gov registration
    SAM.gov N2FJJ76CJZL4
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 31, 2027
    Checked
    Oct 23, 2026
    Where
    Western Springs, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  11. Stone & Webster, LLC, Fauske & Associates, a Division of Stone & Webster, LLC

    ActiveCorporation registered in SAM.gov

    Burr Ridge, IL · 2 mi away

    Ask it
    Proof for Stone & Webster, LLC, Fauske & Associates, a Division of Stone & Webster, LLC
    SAM.gov registration
    SAM.gov GK49P5VLP779
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 19, 2027
    Checked
    Oct 23, 2026
    Where
    Burr Ridge, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  12. Strategy Logix LLC

    ActiveCorporation registered in SAM.gov

    Burr Ridge, IL · 2 mi away

    Ask it
    Proof for Strategy Logix LLC
    SAM.gov registration
    SAM.gov WZN9EHNXLLF4
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 31, 2027
    Checked
    Oct 23, 2026
    Where
    Burr Ridge, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  13. Talman Consultants, LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Westmont, IL · 2 mi away

    Ask it
    Proof for Talman Consultants, LLC
    SAM.gov registration
    SAM.gov XR35VHCADRJ3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Sep 1, 2027
    Checked
    Oct 23, 2026
    Where
    Westmont, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  14. Virtual Energy Solutions Inc

    ActiveCorporation registered in SAM.gov

    Western Springs, IL · 3 mi away

    Ask it
    Proof for Virtual Energy Solutions Inc
    SAM.gov registration
    SAM.gov KK6DDUVB2LL2
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 14, 2027
    Checked
    Oct 23, 2026
    Where
    Western Springs, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  15. Cotter-Moca Joint Venture

    ActivePartnership or limited liability partnership registered in SAM.gov

    Burr Ridge, IL · 2 mi away

    Ask it
    Proof for Cotter-Moca Joint Venture
    SAM.gov registration
    SAM.gov YC72XR3CC4J4
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jan 18, 2027
    Checked
    Oct 23, 2026
    Where
    Burr Ridge, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  16. Kch Group LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Oak Brook, IL · 5 mi away

    Ask it
    Proof for Kch Group LLC
    SAM.gov registration
    SAM.gov SXM3GPRQEXE6
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jul 3, 2027
    Checked
    Oct 23, 2026
    Where
    Oak Brook, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  17. Ames Engineering Inc

    Engineering firm

    Downers Grove, IL · 4 mi away

    CallAsk it
    Proof for Ames Engineering Inc
    Where
    Downers Grove, IL · serves Illinois
    Phone
    (630) 737-1987
    Listing
    Built from public records. Not claimed yet, so call them directly.

  18. ASC Engineered Solutions

    Engineering firm

    Oak Brook, IL · 5 mi away

    CallAsk it
    Proof for ASC Engineered Solutions
    Where
    Oak Brook, IL · serves Illinois
    Phone
    (800) 301-2701
    Listing
    Built from public records. Not claimed yet, so call them directly.

  19. Black & Veatch

    Engineering firm

    Burr Ridge, IL · 2 mi away

    CallAsk it
    Proof for Black & Veatch
    Where
    Burr Ridge, IL · serves Illinois
    Phone
    (630) 590-0935
    Listing
    Built from public records. Not claimed yet, so call them directly.

  20. Citadel Automation

    Engineering firm

    La Grange, IL · 4 mi away

    CallAsk it
    Proof for Citadel Automation
    Where
    La Grange, IL · serves Illinois
    Phone
    (708) 232-8844
    Listing
    Built from public records. Not claimed yet, so call them directly.

More cities in Illinois

Chicago 343Naperville 49Schaumburg 34Lisle 31Springfield 29Rockford 26Elk Grove Village 25Aurora 24Downers Grove 24Elgin 24Peoria 23Arlington Heights 16Northbrook 16St. Charles 16Champaign 15Lombard 15

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

Checked facts from public license files · How ranking works