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NAICS 237990 · Other Heavy and Civil Engineering Construction

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General engineering contractors in O Fallon, MO

General engineering contractors in O Fallon, MO; 52 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Green Communications Contracting LLC, Low Voltage

    ActiveSole proprietorship registered in SAM.gov

    O Fallon, MO

    Ask it
    Proof for Green Communications Contracting LLC, Low Voltage
    SAM.gov registration
    SAM.gov VXRGD2ZCJZ73
    Issuer
    SAM.gov
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Sep 7, 2027
    Checked
    Oct 23, 2026
    Where
    O Fallon, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  2. Sak Construction LLC

    ActiveOther organization registered in SAM.gov

    O Fallon, MO

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    Proof for Sak Construction LLC
    SAM.gov registration
    SAM.gov LR28NMPH3Z37
    Issuer
    SAM.gov
    Status
    Active
    Class
    Other organization registered in SAM.gov
    Expires
    Dec 10, 2026
    Checked
    Oct 23, 2026
    Where
    O Fallon, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  3. Wireless Horizon Inc

    ActiveCorporation registered in SAM.gov

    Dardenne Prairie, MO · 2 mi away

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    Proof for Wireless Horizon Inc
    SAM.gov registration
    SAM.gov N4UKHNZ1JNM4
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Dec 31, 2026
    Checked
    Oct 23, 2026
    Where
    Dardenne Prairie, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  4. Bates Utility CO Inc

    ActiveCorporation registered in SAM.gov

    Weldon Spring, MO · 6 mi away

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    Proof for Bates Utility CO Inc
    SAM.gov registration
    SAM.gov LYUEBFNKZMQ7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 30, 2027
    Checked
    Oct 23, 2026
    Where
    Weldon Spring, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  5. E Meier Contracting CO Inc

    ActiveCorporation registered in SAM.gov

    Weldon Spring, MO · 6 mi away

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    Proof for E Meier Contracting CO Inc
    SAM.gov registration
    SAM.gov DQSQU76GYEA5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 27, 2027
    Checked
    Oct 23, 2026
    Where
    Weldon Spring, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  6. St. Louis Sewer and Drain Cleaning Services LLC

    ActiveSole proprietorship registered in SAM.gov

    Wentzville, MO · 7 mi away

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    Proof for St. Louis Sewer and Drain Cleaning Services LLC
    SAM.gov registration
    SAM.gov HNU8BJ3T9ZS5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Jul 12, 2027
    Checked
    Oct 23, 2026
    Where
    Wentzville, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  7. Brandt Contracting, Inc.

    ActiveCorporation registered in SAM.gov

    Saint Charles, MO · 15 mi away

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    Proof for Brandt Contracting, Inc.
    SAM.gov registration
    SAM.gov NJK6NDQSAL89
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 26, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Charles, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  8. Energy Resources Inc

    ActiveCorporation registered in SAM.gov

    Chesterfield, MO · 10 mi away

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    Proof for Energy Resources Inc
    SAM.gov registration
    SAM.gov JFKTDMFLKP97
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Feb 13, 2027
    Checked
    Oct 23, 2026
    Where
    Chesterfield, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  9. Millstone Weber

    ActiveCorporation registered in SAM.gov

    Saint Charles, MO · 15 mi away

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    Proof for Millstone Weber
    SAM.gov registration
    SAM.gov M5XJDLJKRCK5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 5, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Charles, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  10. Puffs Property Management Inc, Asphalt Paving & Concrete, Inc.

    ActiveCorporation registered in SAM.gov

    Maryland Heights, MO · 15 mi away

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    Proof for Puffs Property Management Inc, Asphalt Paving & Concrete, Inc.
    SAM.gov registration
    SAM.gov L56SGX7DKG95
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 17, 2027
    Checked
    Oct 23, 2026
    Where
    Maryland Heights, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  11. Rosch Earth Technologies

    ActivePartnership or limited liability partnership registered in SAM.gov

    Chesterfield, MO · 10 mi away

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    Proof for Rosch Earth Technologies
    SAM.gov registration
    SAM.gov WGTLH928D853
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jan 24, 2027
    Checked
    Oct 23, 2026
    Where
    Chesterfield, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  12. Sweenco LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Saint Charles, MO · 15 mi away

    Ask it
    Proof for Sweenco LLC
    SAM.gov registration
    SAM.gov YL88WNQEYJE5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jun 8, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Charles, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  13. Tramar Contracting

    ActiveCorporation registered in SAM.gov

    Saint Charles, MO · 15 mi away

    Ask it
    Proof for Tramar Contracting
    SAM.gov registration
    SAM.gov K2AXAMY25K73
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 29, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Charles, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  14. Cap-Au-Gris Levee and Drainage District

    ActiveTax-exempt corporation registered in SAM.gov

    Moscow Mills, MO · 14 mi away

    Ask it
    Proof for Cap-Au-Gris Levee and Drainage District
    SAM.gov registration
    SAM.gov LD8RK3L9U9S5
    Issuer
    SAM.gov
    Status
    Active
    Class
    Tax-exempt corporation registered in SAM.gov
    Expires
    Jul 2, 2027
    Checked
    Oct 23, 2026
    Where
    Moscow Mills, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  15. Eberhardt Wetlands Bank, LLC

    ActiveSole proprietorship registered in SAM.gov

    Saint Louis, MO · 14 mi away

    Ask it
    Proof for Eberhardt Wetlands Bank, LLC
    SAM.gov registration
    SAM.gov KJQQNJU8FBF7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Apr 9, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Louis, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  16. Insituform Technologies, Insituform Technologies, LLC

    ActiveCorporation registered in SAM.gov

    Chesterfield, MO · 10 mi away

    Ask it
    Proof for Insituform Technologies, Insituform Technologies, LLC
    SAM.gov registration
    SAM.gov G33KRM1MBKF4
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 19, 2027
    Checked
    Oct 23, 2026
    Where
    Chesterfield, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  17. Insituform Technologies, Insituform Technologies USA, LLC

    ActiveCorporation registered in SAM.gov

    Chesterfield, MO · 10 mi away

    Ask it
    Proof for Insituform Technologies, Insituform Technologies USA, LLC
    SAM.gov registration
    SAM.gov HNAMR82LYEJ4
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 12, 2027
    Checked
    Oct 23, 2026
    Where
    Chesterfield, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  18. Byrne and Jones Construction

    ActiveCorporation registered in SAM.gov

    Bridgeton, MO · 16 mi away

    Ask it
    Proof for Byrne and Jones Construction
    SAM.gov registration
    SAM.gov GJ3VXYCGJA21
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 13, 2027
    Checked
    Oct 23, 2026
    Where
    Bridgeton, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  19. G-Force Parking Lot Striping of St Louis

    ActiveCorporation registered in SAM.gov

    Wright City, MO · 17 mi away

    Ask it
    Proof for G-Force Parking Lot Striping of St Louis
    SAM.gov registration
    SAM.gov P5MZT55D1WM8
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 27, 2027
    Checked
    Oct 23, 2026
    Where
    Wright City, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

  20. Kci Construction CO

    ActiveCorporation registered in SAM.gov

    Saint Louis, MO · 20 mi away

    Ask it
    Proof for Kci Construction CO
    SAM.gov registration
    SAM.gov CUX9NCVDJWT7
    Issuer
    SAM.gov
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 6, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Louis, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → SAM.gov record

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