- City of Chicago, Department of Revenue
- State of Michigan, Department of Natural Resources, Real Estate Division
- State of New Mexico, State Land Office
- State of New Mexico, Taxation and Revenue Department
- State of Wyoming, Department of Revenue
- U.S. Department of Energy
- U.S. Department of Interior, Minerals Management Service
- U.S. Department of Justice, Civil Fraud Division
- Village of Corrales, New Mexico
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