STANDING ROCK SIOUX TRIBE

Lobbying client · North Dakota · filed 2025 to 2026

$20,000 Reported spend

6 Filings counted

1 Firms hired

0 Bills named

Spend is reported income plus in-house expenses across 6 filings. Everything on this page is grouped by the client's LDA id (145090), not by name.

Firms hired 1

SONOSKY, CHAMBERS, SACHSE, ENDRESON & PERRY, LLP $20,000 6 filings

Reported by year 2 years

2026 $0 2 filings
2025 $20,000 4 filings

Issues lobbied 1

Indian/Native American Affairs 2

The count is how many filings named that issue area. A filing reports one lump figure covering every issue on it, so the money above cannot be split between them.

Agencies and chambers lobbied 6

HOUSE OF REPRESENTATIVES 2
SENATE 2
Transportation, Dept of (DOT) 2
Army, Dept of (Corps of Engineers) 1
Indian Health Service 1
Justice, Dept of (DOJ) 1

Recent filings 6 total

Q2Y

SONOSKY, CHAMBERS, SACHSE, ENDRESON & PERRY, LLP

2nd Quarter (Apr 1 - June 30) 2026 · posted Jul 7, 2026

View → Q1Y

SONOSKY, CHAMBERS, SACHSE, ENDRESON & PERRY, LLP

1st Quarter (Jan 1 - Mar 31) 2026 · posted Apr 15, 2026

View → Q4Y

SONOSKY, CHAMBERS, SACHSE, ENDRESON & PERRY, LLP

4th Quarter (Oct 1 - Dec 31) 2025 · posted Jan 13, 2026

View → Q3Y

SONOSKY, CHAMBERS, SACHSE, ENDRESON & PERRY, LLP

3rd Quarter (July 1 - Sep 30) 2025 · posted Oct 3, 2025

View → Q2

SONOSKY, CHAMBERS, SACHSE, ENDRESON & PERRY, LLP

2nd Quarter (Apr 1 - June 30) 2025 · House · Senate · posted Jul 14, 2025

View → Q1

SONOSKY, CHAMBERS, SACHSE, ENDRESON & PERRY, LLP

1st Quarter (Jan 1 - Mar 31) 2025 · House · Senate · $20,000 income · posted Apr 14, 2025

View →

Source: federal Lobbying Disclosure Act filings, synced daily. Money is self-reported by the filer and often rounded. Lobbying is legal, disclosed activity.