MAINSPRING ENERGY INC

Lobbying client · California · filed 2025 to 2026

Energy Technology

$250,000 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 (168195), not by name.

Firms hired 1

CORNERSTONE GOVERNMENT AFFAIRS, INC. $250,000 6 filings

Reported by year 2 years

2026 $60,000 2 filings
2025 $190,000 4 filings

Issues lobbied 3

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 3

HOUSE OF REPRESENTATIVES 6
SENATE 6
Energy, Dept of 1

Recent filings 6 total

Q2

CORNERSTONE GOVERNMENT AFFAIRS, INC.

2nd Quarter (Apr 1 - June 30) 2026 · House · Senate · $30,000 income · posted Jul 13, 2026

View → Q1

CORNERSTONE GOVERNMENT AFFAIRS, INC.

1st Quarter (Jan 1 - Mar 31) 2026 · House · Senate · $30,000 income · posted Apr 15, 2026

View → Q4

CORNERSTONE GOVERNMENT AFFAIRS, INC.

4th Quarter (Oct 1 - Dec 31) 2025 · House · Senate · $40,000 income · posted Jan 15, 2026

View → Q3

CORNERSTONE GOVERNMENT AFFAIRS, INC.

3rd Quarter (July 1 - Sep 30) 2025 · House · Senate · $50,000 income · posted Oct 14, 2025

View → Q2

CORNERSTONE GOVERNMENT AFFAIRS, INC.

2nd Quarter (Apr 1 - June 30) 2025 · House · Senate · $50,000 income · posted Jul 15, 2025

View → Q1

CORNERSTONE GOVERNMENT AFFAIRS, INC.

1st Quarter (Jan 1 - Mar 31) 2025 · House · Senate · $50,000 income · posted Apr 16, 2025

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