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SPHINX MINING SYSTEMS, LLC

ROLLA, Missouri

Total Received

$73K

Total Awards

3

State

Missouri

Last Updated

Mar 5, 2026

Yearly Funding Trend

Top 3 Awards to SPHINX MINING SYSTEMS, LLC

Largest individual federal awards on record for this recipient, ranked by obligated amount. Data through March 5, 2026.

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Top 3 Awards to SPHINX MINING SYSTEMS, LLC
AwardAwarding AgencyProgramPlaceFYObligation
CONT_AWD_2023H223P00040_2050_-NONE-_-NONE-
EXPERT WITNESS SERVICES- PROFESSIONAL EVALUATION, EXPERT WITNESS, CONSULTATION AND OTHER RELATED EXPERT SERVICES FOR INTERNAL REVENUE SERVICE CHIEF COUNSEL. THIS MODIFICATION IS…
Department of the Treasury
Internal Revenue Service
ROLLA, MO-082024$42,000
CONT_AWD_2023H223P00042_2050_-NONE-_-NONE-
EXPERT WITNESS SERVICES REQUIRED FOR THE LITIGATION OF A CASE BY INTERNAL REVENUE SERVICE, CHIEF COUNSEL. THIS MODIFICATION IS TO CLOSE OUT THE ORDER.
Department of the Treasury
Internal Revenue Service
ROLLA, MO-082025$26,470
CONT_AWD_2023H224P00137_2050_-NONE-_-NONE-
EXPERT WITNESS - THE IRS REQUIRES THE SERVICES OF AN EXPERT WITNESS IN CONNECTION WITH LITIGATION. THIS MODIFICATION IS TO DEOBLIGATE EXCESSIVE FUNDING AND CLOSE OUT THE CONTRACT.
Department of the Treasury
Internal Revenue Service
ATLANTA, GA-052024$4,800

Top 3 awards shown, ranked by obligated amount. Dates reflect performance period; last-modified dates match USAspending.gov. Complete listings include all transaction history going back to FY2024.