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NAICS 541330 · Engineering Services

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Engineering firm in Freeport, IL

5 engineering firm in Freeport, IL; 848 within 100 miles. Every listing checked against the issuer's record, in the published order.

  1. Fehr Graham Engineering & Environmental

    Engineering firm

    Freeport, IL

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    Proof for Fehr Graham Engineering & Environmental
    Where
    Freeport, IL · serves Illinois
    Phone
    (815) 235-7643
    Listing
    Built from public records. Not claimed yet, so call them directly.

  2. GSC

    Engineering firm

    Freeport, IL

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    Proof for GSC
    Where
    Freeport, IL · serves Illinois
    Phone
    (800) 454-2233
    Listing
    Built from public records. Not claimed yet, so call them directly.

  3. Willett Hofmann and Associates

    Engineering firm

    Freeport, IL

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    Proof for Willett Hofmann and Associates
    Where
    Freeport, IL · serves Illinois
    Phone
    (815) 232-3506
    Listing
    Built from public records. Not claimed yet, so call them directly.

  4. Blackhawk Biofuels Llc

    Engineering firm

    Freeport, IL

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    Proof for Blackhawk Biofuels Llc
    Where
    Freeport, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  5. Fehr-graham & Associates Llc

    Engineering firm

    Freeport, IL

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    Proof for Fehr-graham & Associates Llc
    Where
    Freeport, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  6. Gallagher Engineering

    Engineering firm

    German Valley, IL · 10 mi away

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    Proof for Gallagher Engineering
    Where
    German Valley, IL · serves Illinois
    Phone
    (815) 541-4334
    Listing
    Built from public records. Not claimed yet, so call them directly.

  7. Spectus Systems Midwest

    Engineering firm

    Winnebago, IL · 19 mi away

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    Proof for Spectus Systems Midwest
    Where
    Winnebago, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  8. Dmh Investments

    Engineering firm

    Polo, IL · 21 mi away

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    Proof for Dmh Investments
    Where
    Polo, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  9. Gadsden Engineering

    Engineering firm

    Rockford, IL · 28 mi away

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    Proof for Gadsden Engineering
    Where
    Rockford, IL · serves Illinois
    Phone
    (815) 200-9733
    Listing
    Built from public records. Not claimed yet, so call them directly.

  10. IMEG

    Engineering firm

    Rockford, IL · 28 mi away

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    Proof for IMEG
    Where
    Rockford, IL · serves Illinois
    Phone
    (815) 965-6400
    Listing
    Built from public records. Not claimed yet, so call them directly.

  11. InterTECH Integrated Systems

    Engineering firm

    Rockford, IL · 28 mi away

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    Proof for InterTECH Integrated Systems
    Where
    Rockford, IL · serves Illinois
    Phone
    (815) 977-9805
    Listing
    Built from public records. Not claimed yet, so call them directly.

  12. TAC Rockford / Transatlantic Connection, Inc.

    Engineering firm

    Rockford, IL · 25 mi away

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    Proof for TAC Rockford / Transatlantic Connection, Inc.
    Where
    Rockford, IL · serves Illinois
    Phone
    (815) 962-5600
    Listing
    Built from public records. Not claimed yet, so call them directly.

  13. Testing Service Corporation

    Engineering firm

    Rockford, IL · 28 mi away

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    Proof for Testing Service Corporation
    Where
    Rockford, IL · serves Illinois
    Phone
    (815) 394-2562
    Listing
    Built from public records. Not claimed yet, so call them directly.

  14. Artisan Consulting Engineers, Llc

    Engineering firm

    Rockford, IL · 25 mi away

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    Proof for Artisan Consulting Engineers, Llc
    Where
    Rockford, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  15. Rpm Specialties

    Engineering firm

    Rockford, IL · 28 mi away

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    Proof for Rpm Specialties
    Where
    Rockford, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  16. Ingenium Technologies Corp

    ActiveCorporation registered in SAM.gov

    Rockford, IL · 32 mi away

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    Proof for Ingenium Technologies Corp
    SAM.gov registration
    SAM.gov LES4KWJCDML6
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 15, 2027
    Checked
    Oct 23, 2026
    Where
    Rockford, IL · serves Illinois
    Phone
    (815) 399-8803
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  17. Willett Hofmann & Associates Inc, Willett, Hofmann & Associates, Inc.

    ActiveCorporation registered in SAM.gov

    Dixon, IL · 33 mi away

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    Proof for Willett Hofmann & Associates Inc, Willett, Hofmann & Associates, Inc.
    SAM.gov registration
    SAM.gov MKJCKVMHQNY8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 28, 2027
    Checked
    Oct 23, 2026
    Where
    Dixon, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  18. Michael Rogers Consulting LLC

    ActiveSole proprietorship registered in SAM.gov

    Rockford, IL · 32 mi away

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    Proof for Michael Rogers Consulting LLC
    SAM.gov registration
    SAM.gov Q69WL5R4HKX9
    Issuer
    SAM.gov
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Aug 11, 2027
    Checked
    Oct 23, 2026
    Where
    Rockford, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  19. Accelerated Machine Design And Engineering Llc

    Engineering firm

    Rockford, IL · 30 mi away

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    Proof for Accelerated Machine Design And Engineering Llc
    Where
    Rockford, IL · serves Illinois
    Phone
    (815) 316-6381
    Listing
    Built from public records. Not claimed yet, so call them directly.

  20. Arc Design Resources, Inc.

    Engineering firm

    Loves Park, IL · 32 mi away

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    Proof for Arc Design Resources, Inc.
    Where
    Loves Park, IL · serves Illinois
    Phone
    (815) 484-4300
    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

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