# Sphinx Mining Systems, LLC

Canonical: https://abierto.us/vendors/sphinx-mining-systems-llc-we5qk5tcjnx9

- UEI: WE5QK5TCJNX9
- CAGE: 9C1Z6
- Location: Rolla, MO
- Awards in window: 4 (9 transactions), -$20,034 obligated, April 25, 2025 to August 18, 2026

## Awarding agencies

- Internal Revenue Service: 4 awards, -$20,034

## Industries

- 541690 Other Scientific and Technical Consulting Services: $9,745
- 213115 Support Activities for Nonmetallic Minerals (except Fuels) Mining: -$29,779

## Competition

- Not Competed Under SAP: 4 awards

## Largest awards

- 2023H226P00239 (purchase order): $116,498, Special Operations. Expert Witness Services Required for the Litigation of a Case by the Internal Revenue Service, Chief Counsel.. https://www.usaspending.gov/award/CONT_AWD_2023H226P00239_2050_-NONE-_-NONE-/
- 2023H223P00040 (purchase order): -$28,800, Special Operations. Expert Witness Services- Professional Evaluation, Expert Witness, Consultation and Other Related Expert Services for Internal Revenue Service Chief Counsel. This Modification Is to Update the Description of the Requirement. https://www.usaspending.gov/award/CONT_AWD_2023H223P00040_2050_-NONE-_-NONE-/
- 2023H223P00042 (purchase order): -$29,779, Special Operations. Expert Witness Services - the Internal Revenue Service Chief Counsel Requires the Services of an Expert Witness in Connection with Litigation. This Modification Is to Update the Description of the Requirement.. https://www.usaspending.gov/award/CONT_AWD_2023H223P00042_2050_-NONE-_-NONE-/
- 2023H224P00137 (purchase order): -$77,953, Special Operations. Expert Witness - the IRS Requires the Services of an Expert Witness in Connection with Litigation. This Modification Is to Update the Description of the Requirement.. https://www.usaspending.gov/award/CONT_AWD_2023H224P00137_2050_-NONE-_-NONE-/

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Source: USAspending.gov award data, keyed by UEI. Obligations in the window only. Cite https://abierto.us/vendors/sphinx-mining-systems-llc-we5qk5tcjnx9.