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NAICS 541330 · Engineering Services

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Engineering firm in Plainfield, IL

8 engineering firm in Plainfield, IL; 496 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Prodesign Engineering Consultancy PLLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Plainfield, IL

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    Proof for Prodesign Engineering Consultancy PLLC
    SAM.gov registration
    SAM.gov SJEWFCPMMUE6
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jan 22, 2027
    Checked
    Oct 23, 2026
    Where
    Plainfield, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  2. Quasar Design Inc.

    ActiveCorporation registered in SAM.gov

    Plainfield, IL

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    Proof for Quasar Design Inc.
    SAM.gov registration
    SAM.gov E2M6L59Y6SL8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 20, 2027
    Checked
    Oct 23, 2026
    Where
    Plainfield, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  3. Helix Engineering Llc

    Engineering firm

    Plainfield, IL

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    Proof for Helix Engineering Llc
    Where
    Plainfield, IL · serves Illinois
    Phone
    (815) 714-9776
    Listing
    Built from public records. Not claimed yet, so call them directly.

  4. Mastercore Technologies

    Engineering firm

    Plainfield, IL

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    Proof for Mastercore Technologies
    Where
    Plainfield, IL · serves Illinois
    Phone
    (630) 470-2397
    Listing
    Built from public records. Not claimed yet, so call them directly.

  5. Neville Engineering Service

    Engineering firm

    Plainfield, IL

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    Proof for Neville Engineering Service
    Where
    Plainfield, IL · serves Illinois
    Phone
    (815) 200-3844
    Listing
    Built from public records. Not claimed yet, so call them directly.

  6. Progressive Innovation & Automation

    Engineering firm

    Plainfield, IL

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    Proof for Progressive Innovation & Automation
    Where
    Plainfield, IL · serves Illinois
    Phone
    (630) 860-1017
    Listing
    Built from public records. Not claimed yet, so call them directly.

  7. Restore-tek

    Engineering firm

    Plainfield, IL

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    Proof for Restore-tek
    Where
    Plainfield, IL · serves Illinois
    Phone
    (815) 609-0111
    Listing
    Built from public records. Not claimed yet, so call them directly.

  8. Mec Energy Services, Llc

    Engineering firm

    Plainfield, IL

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    Proof for Mec Energy Services, Llc
    Where
    Plainfield, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  9. Mab Equipment Company, Inc.

    Engineering firm

    Oswego, IL · 5 mi away

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    Proof for Mab Equipment Company, Inc.
    Where
    Oswego, IL · serves Illinois
    Phone
    (630) 551-4017
    Listing
    Built from public records. Not claimed yet, so call them directly.

  10. Prism Mechanical

    Engineering firm

    Oswego, IL · 5 mi away

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    Proof for Prism Mechanical
    Where
    Oswego, IL · serves Illinois
    Phone
    (630) 554-6073
    Listing
    Built from public records. Not claimed yet, so call them directly.

  11. Midamerican Technology Inc

    Engineering firm

    Oswego, IL · 5 mi away

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    Proof for Midamerican Technology Inc
    Where
    Oswego, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  12. Egyptian Concrete Co

    Engineering firm

    Oswego, IL · 5 mi away

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    Proof for Egyptian Concrete Co
    Where
    Oswego, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.

  13. Meritcorp Group LLC

    ActiveCorporation registered in SAM.gov

    Aurora, IL · 8 mi away

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    Proof for Meritcorp Group LLC
    SAM.gov registration
    SAM.gov WVJ1K4VW4YW8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 7, 2027
    Checked
    Oct 23, 2026
    Where
    Aurora, IL · serves Illinois
    Phone
    (630) 554-6655
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  14. Nashnal Soil Testing, LLC

    ActiveCorporation registered in SAM.gov

    Naperville, IL · 6 mi away

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    Proof for Nashnal Soil Testing, LLC
    SAM.gov registration
    SAM.gov K7J2B2UNDWW2
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 5, 2026
    Checked
    Oct 23, 2026
    Where
    Naperville, IL · serves Illinois
    Phone
    (630) 780-5201
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  15. United Engineering, Inc.

    ActiveCorporation registered in SAM.gov

    Shorewood, IL · 8 mi away

    CallAsk it
    Proof for United Engineering, Inc.
    SAM.gov registration
    SAM.gov E2BPPMGK8S73
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 8, 2027
    Checked
    Oct 23, 2026
    Where
    Shorewood, IL · serves Illinois
    Phone
    (815) 744-1010
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  16. Cleanera Technologies Inc

    ActiveCorporation registered in SAM.gov

    Naperville, IL · 6 mi away

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    Proof for Cleanera Technologies Inc
    SAM.gov registration
    SAM.gov KY18BM48QZD5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 7, 2027
    Checked
    Oct 23, 2026
    Where
    Naperville, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  17. Delascasas Cp LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Romeoville, IL · 8 mi away

    Ask it
    Proof for Delascasas Cp LLC
    SAM.gov registration
    SAM.gov F3FWUS6CJEQ5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Mar 23, 2027
    Checked
    Oct 23, 2026
    Where
    Romeoville, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  18. Engineering Systems Inc, Engineering Systems Inc.

    ActiveCorporation registered in SAM.gov

    Aurora, IL · 8 mi away

    Ask it
    Proof for Engineering Systems Inc, Engineering Systems Inc.
    SAM.gov registration
    SAM.gov MLNER9D9MFL8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 22, 2027
    Checked
    Oct 23, 2026
    Where
    Aurora, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  19. Logic Gate Engineering LLC

    ActiveCorporation registered in SAM.gov

    Romeoville, IL · 8 mi away

    Ask it
    Proof for Logic Gate Engineering LLC
    SAM.gov registration
    SAM.gov YJNJEF4WH875
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 20, 2027
    Checked
    Oct 23, 2026
    Where
    Romeoville, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  20. Product Development & Analysis

    ActivePartnership or limited liability partnership registered in SAM.gov

    Aurora, IL · 8 mi away

    Ask it
    Proof for Product Development & Analysis
    SAM.gov registration
    SAM.gov PEMBFESETR36
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Feb 11, 2027
    Checked
    Oct 23, 2026
    Where
    Aurora, IL · serves Illinois
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

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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