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.
- HYDROGEN FUEL CELL BUS COUNCILlobbying_client · head-token 0.85
- Hydrogen Fuel Cell Bus Council Dcnonprofit · head-token 0.85
- California Hydrogen Coalitionnonprofit · trigram 0.53
- CLEAN HYDROGEN FUTURE COALITIONlobbying_client · trigram 0.49
- Clean Hydrogen Future Coalitionnonprofit · trigram 0.49
- Carbon Disulfide Coalitionnonprofit · trigram 0.44
- Aide Coalitionnonprofit · trigram 0.40
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 year | Revenue | Expenses | Officer comp |
|---|---|---|---|
| 2019 | $41,565 | $41,418 | $-0 |
| 2018 | $38,720 | $41,066 | $-0 |
| 2017 | $50,700 | $48,502 | $-0 |
Aliases (2)
| source | id | name at source | jurisdiction | confidence | linked by | linked at |
|---|---|---|---|---|---|---|
| ein | 251908551 | Hydrogen Sulfide Coalition | US | gold | backfill_0029 | |
| nonprofit | 251908551 | Hydrogen Sulfide Coalition | US | gold | sync_canonical_entities |