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NAICS 541990 · All Other Professional, Scientific, and Technical Services

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Professional services in Saint Charles, MO

Professional services in Saint Charles, MO; 78 within 30 miles. Every listing checked against the issuer's record, in the published order.

  1. Altea LLC

    ActiveSole proprietorship registered in SAM.gov

    Saint Charles, MO

    Ask it
    Proof for Altea LLC
    SAM.gov registration
    US-GSA-SAM CJFTADJBFEL7
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Dec 12, 2026
    Checked
    Oct 23, 2026
    Where
    Saint Charles, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  2. John Ward Economics LLC, John Ward Economics, LLC

    ActiveSole proprietorship registered in SAM.gov

    Saint Charles, MO

    Ask it
    Proof for John Ward Economics LLC, John Ward Economics, LLC
    SAM.gov registration
    US-GSA-SAM L2GMUH48ULP6
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Jan 15, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Charles, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  3. Tqs Inspections, Inc

    ActiveCorporation registered in SAM.gov

    Saint Charles, MO

    Ask it
    Proof for Tqs Inspections, Inc
    SAM.gov registration
    US-GSA-SAM W8DKLKJAZG51
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 25, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Charles, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  4. Antibody Stl LLC

    ActivePartnership or limited liability partnership registered in SAM.gov

    Saint Charles, MO

    Ask it
    Proof for Antibody Stl LLC
    SAM.gov registration
    US-GSA-SAM GR4CK86HUSV5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Partnership or limited liability partnership registered in SAM.gov
    Expires
    Jan 31, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Charles, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  5. Garrett John Pfeifer

    ActiveSole proprietorship registered in SAM.gov

    Saint Charles, MO

    Ask it
    Proof for Garrett John Pfeifer
    SAM.gov registration
    US-GSA-SAM EZ5HVLUYC1V1
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Mar 19, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Charles, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  6. Testamerica Laboratories, Inc, Eurofins St Louis

    ActiveCorporation registered in SAM.gov

    Earth City, MO · 3 mi away

    Ask it
    Proof for Testamerica Laboratories, Inc, Eurofins St Louis
    SAM.gov registration
    US-GSA-SAM FKN6CUU1EKW3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 21, 2027
    Checked
    Oct 23, 2026
    Where
    Earth City, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  7. Business Training

    ActiveCorporation registered in SAM.gov

    Chesterfield, MO · 10 mi away

    Ask it
    Proof for Business Training
    SAM.gov registration
    US-GSA-SAM EFA5ZHJMK6V1
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Apr 22, 2027
    Checked
    Oct 23, 2026
    Where
    Chesterfield, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  8. Hudson Management Services LLC

    ActiveSole proprietorship registered in SAM.gov

    Chesterfield, MO · 10 mi away

    Ask it
    Proof for Hudson Management Services LLC
    SAM.gov registration
    US-GSA-SAM NUJ9H7V2FT84
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Apr 28, 2027
    Checked
    Oct 23, 2026
    Where
    Chesterfield, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  9. Midland Language Center

    ActiveSole proprietorship registered in SAM.gov

    Saint Louis, MO · 7 mi away

    Ask it
    Proof for Midland Language Center
    SAM.gov registration
    US-GSA-SAM J13YGS6H5CW1
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    May 13, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Louis, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  10. A2Z Hauling Moving and Delivery LLC

    ActiveCorporation registered in SAM.gov

    Florissant, MO · 9 mi away

    Ask it
    Proof for A2Z Hauling Moving and Delivery LLC
    SAM.gov registration
    US-GSA-SAM CJ2XULKF1AA3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Nov 24, 2026
    Checked
    Oct 23, 2026
    Where
    Florissant, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  11. Healthcare Fraud Shield

    ActiveCorporation registered in SAM.gov

    Chesterfield, MO · 10 mi away

    Ask it
    Proof for Healthcare Fraud Shield
    SAM.gov registration
    US-GSA-SAM U5DKP4XFCLJ3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Aug 3, 2027
    Checked
    Oct 23, 2026
    Where
    Chesterfield, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  12. 3D Scan Stl, LLC

    ActiveCorporation registered in SAM.gov

    Saint Louis, MO · 11 mi away

    Ask it
    Proof for 3D Scan Stl, LLC
    SAM.gov registration
    US-GSA-SAM D5UQRSF55PH5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Mar 10, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Louis, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  13. 5 by Five Creative

    ActiveCorporation registered in SAM.gov

    Saint Louis, MO · 11 mi away

    Ask it
    Proof for 5 by Five Creative
    SAM.gov registration
    US-GSA-SAM GJLCXL6U96C5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 13, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Louis, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  14. Aim Biomedical LLC

    ActiveSole proprietorship registered in SAM.gov

    Clayton, MO · 15 mi away

    Ask it
    Proof for Aim Biomedical LLC
    SAM.gov registration
    US-GSA-SAM YKZNJB867424
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Mar 10, 2027
    Checked
    Oct 23, 2026
    Where
    Clayton, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  15. Bradly Robert Creative LLC

    ActiveCorporation registered in SAM.gov

    Saint Louis, MO · 14 mi away

    Ask it
    Proof for Bradly Robert Creative LLC
    SAM.gov registration
    US-GSA-SAM HEFTEUSFH913
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    May 11, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Louis, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  16. Changeover Coaching LLC

    ActiveCorporation registered in SAM.gov

    Saint Louis, MO · 15 mi away

    Ask it
    Proof for Changeover Coaching LLC
    SAM.gov registration
    US-GSA-SAM DLQYRB2CH3N8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jul 24, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Louis, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  17. Dawn's Designs & Invitations Etc LLC

    ActiveSole proprietorship registered in SAM.gov

    Saint Louis, MO · 14 mi away

    Ask it
    Proof for Dawn's Designs & Invitations Etc LLC
    SAM.gov registration
    US-GSA-SAM VD57QDK2VET8
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Sep 25, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Louis, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  18. Gateway Verification & Compliance

    ActiveSole proprietorship registered in SAM.gov

    Saint Louis, MO · 14 mi away

    Ask it
    Proof for Gateway Verification & Compliance
    SAM.gov registration
    US-GSA-SAM JYNWQFSJ6PQ3
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Sole proprietorship registered in SAM.gov
    Expires
    Aug 19, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Louis, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  19. H2Ltg, LLC

    ActiveCorporation registered in SAM.gov

    Saint Louis, MO · 13 mi away

    Ask it
    Proof for H2Ltg, LLC
    SAM.gov registration
    US-GSA-SAM F81JBTZTNE28
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Jan 15, 2027
    Checked
    Oct 23, 2026
    Where
    Saint Louis, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

  20. Icon Technology Consulting Inc

    ActiveCorporation registered in SAM.gov

    Chesterfield, MO · 13 mi away

    Ask it
    Proof for Icon Technology Consulting Inc
    SAM.gov registration
    US-GSA-SAM DREKE5DNLMJ5
    Issuer
    US-GSA-SAM
    Status
    Active
    Class
    Corporation registered in SAM.gov
    Expires
    Sep 29, 2027
    Checked
    Oct 23, 2026
    Where
    Chesterfield, MO · serves Missouri
    Listing
    Built from public records. Not claimed yet, so call them directly.
    Proof → US-GSA-SAM record

More cities in Missouri

St. Louis 41Kansas City 23Columbia 13Chesterfield 5St. Charles 5Springfield 5Wentzville 5Wildwood 5

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