All lobbying clients

Microporous LLC

Microporous LLC has been represented by 1 lobbying firm in 3 filings in 2026, with $50,000 in reported spending; the newest was posted October 20, 2026.

As filed: MICROPOROUS LLC. Client based in Tennessee.

Engineered materials company manufacturing high-performance separators for batteries.

$50,000 Reported spend

3 Filings counted

1 Outside firm hired

0 Bills named

Spend is reported income plus in-house expenses across 3 filings. Everything on this page comes from one LDA client record (73868), filed by the registrant listed below.

Who filed for this client 1

Boundary Stone Partners $50,000 Outside firm · 3 filings

Spend per registrant: fees an outside firm reported, or the costs the client reported for lobbying in-house. The rows add up to the total above.

Reported by year 1 year

2026 $50,000 3 filings

Issues lobbied 1

Taxation/Internal Revenue Code 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 4

Energy, Dept of 1
HOUSE OF REPRESENTATIVES 1
SENATE 1
Treasury, Dept of 1

Recent filings 3 total

Q3 report

Boundary Stone Partners

3rd Quarter 2026 (July 1 - Sep 30) · House · Senate · $50,000 income · posted Oct 20, 2026

View → Q2 reportNo activity

Boundary Stone Partners

2nd Quarter 2026 (Apr 1 - June 30) · posted Jul 21, 2026

View → Registration

Boundary Stone Partners

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

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Filings through October 20, 2026, the newest posted date on this record. Source: federal Lobbying Disclosure Act filings, synced daily. Money is self-reported by the filer and often rounded. Lobbying is legal, disclosed activity.