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Hydrogen Sulfide Coalition

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nonprofit · 501c6 · EIN 251908551 · US · canonical: hydrogen sulfide coalition · 2 aliases · 0 outbound · 0 inbound

Related entities (7)

Same brand-name cluster — possible parent, subsidiary, PAC, or lobbying registration. Surfaced via head-token match (e.g. every "AMAZON …" org) and pg_trgm similarity for variant spellings. Not yet asserted as parent/child edges; treat as a navigation aid.

Timeline
IRS Form 990 — EIN 251908551

IRS Form 990

Hydrogen Sulfide Coalition EIN 25-1908551 · other · IRS-recognized since 2009

Source: IRS Form 990 via ProPublica Nonprofit Explorer. Numbers in USD; 0 = not reported that year.

Tax yearRevenueExpensesOfficer comp
2019$41,565$41,418$-0
2018$38,720$41,066$-0
2017$50,700$48,502$-0
Aliases (2)
sourceidname at sourcejurisdictionconfidencelinked bylinked at
ein251908551Hydrogen Sulfide CoalitionUSgoldbackfill_0029
nonprofit251908551Hydrogen Sulfide CoalitionUSgoldsync_canonical_entities

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