All lobbying filings

Black Diamond Strategies LLC

Black Diamond Strategies LLC filed a Q4 report for Mammoth Energy Services Inc. on January 15, 2026, reporting $120,000 in lobbying income.

Lobbying for Mammoth Energy Services Inc. · Energy and Infrastructure Management

As filed: BLACK DIAMOND STRATEGIES LLC for MAMMOTH ENERGY SERVICES INC.

All filings by Black Diamond Strategies LLC · Everything Mammoth Energy Services Inc. has reported

Filing · LD-2 quarterly report Q4 report

Reporting period

4th Quarter 2025

Oct 1 - Dec 31 · Posted Jan 15, 2026

Income

$120,000

What the client paid this registrant for the period.

Client based in

Oklahoma

Official filing document

Government bodies contacted 2

The chambers, agencies and offices the filer named. It does not say who inside them was contacted, or when. Each name opens every filing that named the same body.

Lobbying activity 1

Energy/Nuclear

Educate Congress on municipal taxation issue

Source: federal Lobbying Disclosure Act filing, reproduced as filed. Bills are parsed from the activity descriptions.