nostr:npub16m853lf74f746xj4s47ndrtmaftxydqwm32afuzhdgwcufazk6yql5kc8n nostr:npub1uxz060za0sz7uzncy45jcksak2lr9wks0hrgug54cvpm9ma8agkqs35ma4 
Coal mining companies and pension and health plans are known for this, in the US.