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NAICS 541330 · Engineering Services

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Engineering firm in Collinsville, IL

5 engineering firm in Collinsville, IL; 71 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Oates Associates Inc

    ActiveCorporation registered in SAM.gov

    Collinsville, IL

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    Proof for Oates Associates Inc
    SAM.gov registration
    SAM.gov Y64LNMY68NW4
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 4, 2026
    Checked
    Nov 2, 2026
    Where
    Collinsville, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  2. Volkert, Inc., Collinsville

    ActiveCorporation registered in SAM.gov

    Collinsville, IL

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    Proof for Volkert, Inc., Collinsville
    SAM.gov registration
    SAM.gov KSXGKMEYYVR3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 13, 2027
    Checked
    Nov 2, 2026
    Where
    Collinsville, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  3. Huff Machine Tool & Industrial Services LLC

    Engineering firm

    Collinsville, IL

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    Proof for Huff Machine Tool & Industrial Services LLC
    Where
    Collinsville, IL · serves Illinois
    Phone
    (888) 483-3463
    Listing
    Built from public records. Not claimed yet, so call them directly.

  4. Wood

    Engineering firm

    Collinsville, IL

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    Proof for Wood
    Where
    Collinsville, IL · serves Illinois
    Phone
    (618) 346-9120
    Listing
    Built from public records. Not claimed yet, so call them directly.

  5. Ltr Land Surveying Inc

    Engineering firm

    Collinsville, IL

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    Proof for Ltr Land Surveying Inc
    Where
    Collinsville, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  6. Juneau Associates, Inc., P.C.

    ActiveCorporation registered in SAM.gov

    Granite City, IL · 6 mi away

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    Proof for Juneau Associates, Inc., P.C.
    SAM.gov registration
    SAM.gov F75UNA9XFNY5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 16, 2027
    Checked
    Nov 2, 2026
    Where
    Granite City, IL · serves Illinois
    Phone
    (618) 877-1400
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  7. Thouvenot Wade & Moerchen Inc

    ActiveCorporation registered in SAM.gov

    Swansea, IL · 10 mi away

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    Proof for Thouvenot Wade & Moerchen Inc
    SAM.gov registration
    SAM.gov VNMESHRTNLE1
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 15, 2027
    Checked
    Nov 2, 2026
    Where
    Swansea, IL · serves Illinois
    Phone
    (618) 624-4488
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  8. Hurst-Rosche, Inc, Hurst-Rosche, Inc.

    ActiveCorporation registered in SAM.gov

    E Saint Louis, IL · 6 mi away

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    Proof for Hurst-Rosche, Inc, Hurst-Rosche, Inc.
    SAM.gov registration
    SAM.gov QTXAMSF5QLZ3
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 21, 2027
    Checked
    Nov 2, 2026
    Where
    E Saint Louis, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  9. Quality Testing & Engineering Inc, O'falllon

    ActiveCorporation registered in SAM.gov

    O Fallon, IL · 7 mi away

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    Proof for Quality Testing & Engineering Inc, O'falllon
    SAM.gov registration
    SAM.gov M3YVKL2HMLJ5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 6, 2027
    Checked
    Nov 2, 2026
    Where
    O Fallon, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  10. Airpower Consulting, LLC

    ActiveSole proprietorship registered in SAM.gov

    O Fallon, IL · 7 mi away

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    Proof for Airpower Consulting, LLC
    SAM.gov registration
    SAM.gov XCYJJHY9ZEG7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Feb 22, 2027
    Checked
    Nov 2, 2026
    Where
    O Fallon, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  11. General Dynamics Information Technology, Inc.

    ActiveCorporation registered in SAM.gov

    Fairview Heights, IL · 6 mi away

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    Proof for General Dynamics Information Technology, Inc.
    SAM.gov registration
    SAM.gov ZM65JQJZTVS5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 14, 2027
    Checked
    Nov 2, 2026
    Where
    Fairview Heights, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  12. Asdg Llc

    Engineering firm

    Fairview Heights, IL · 6 mi away

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    Proof for Asdg Llc
    Where
    Fairview Heights, IL · serves Illinois
    Phone
    (618) 628-0887
    Listing
    Built from public records. Not claimed yet, so call them directly.

  13. Barnhart Crane & Rigging

    Engineering firm

    Madison, IL · 7 mi away

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    Proof for Barnhart Crane & Rigging
    Where
    Madison, IL · serves Illinois
    Phone
    (618) 451-6171
    Listing
    Built from public records. Not claimed yet, so call them directly.

  14. Burns & McDonnell

    Engineering firm

    O'Fallon, IL · 7 mi away

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    Proof for Burns & McDonnell
    Where
    O'Fallon, IL · serves Illinois
    Phone
    (618) 632-0354
    Listing
    Built from public records. Not claimed yet, so call them directly.

  15. Crawford Bunte Brammeier

    Engineering firm

    Glen Carbon, IL · 6 mi away

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    Proof for Crawford Bunte Brammeier
    Where
    Glen Carbon, IL · serves Illinois
    Phone
    (618) 288-9370
    Listing
    Built from public records. Not claimed yet, so call them directly.

  16. FASTechnology Group LLC

    Engineering firm

    Glen Carbon, IL · 6 mi away

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    Proof for FASTechnology Group LLC
    Where
    Glen Carbon, IL · serves Illinois
    Phone
    (618) 692-9797
    Listing
    Built from public records. Not claimed yet, so call them directly.

  17. Mazzella

    Engineering firm

    Granite City, IL · 6 mi away

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    Proof for Mazzella
    Where
    Granite City, IL · serves Illinois
    Phone
    (618) 451-2907
    Listing
    Built from public records. Not claimed yet, so call them directly.

  18. Quality Testing & Engineering

    Engineering firm

    O Fallon, IL · 7 mi away

    CallAsk it
    Proof for Quality Testing & Engineering
    Where
    O Fallon, IL · serves Illinois
    Phone
    (618) 632-9900
    Listing
    Built from public records. Not claimed yet, so call them directly.

  19. Schweitzer Engineering Laboratories

    Engineering firm

    Fairview Heights, IL · 6 mi away

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    Proof for Schweitzer Engineering Laboratories
    Where
    Fairview Heights, IL · serves Illinois
    Phone
    (509) 332-1890
    Listing
    Built from public records. Not claimed yet, so call them directly.

  20. Sears Heating And Air Conditioning

    Engineering firm

    Fairview Heights, IL · 6 mi away

    CallAsk it
    Proof for Sears Heating And Air Conditioning
    Where
    Fairview Heights, IL · serves Illinois
    Phone
    (708) 649-0954
    Listing
    Built from public records. Not claimed yet, so call them directly.

More cities in Illinois

Chicago 347Naperville 49Schaumburg 34Lisle 31Springfield 29Rockford 26Elk Grove Village 25Aurora 24Downers Grove 24Elgin 24Peoria 23Arlington Heights 16Lombard 16Northbrook 16St. Charles 16Champaign 15

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