If you’re open to doing a bit more work, https://www.opensecrets.org/ might be a good resource to look up political affiliations of corporate PACs and lobbyists.
Edit: must have messed something up, meant to reply to unsettlinglymoist’s https://lemmy.world/comment/15849319 comment not the OP.
Neat to see more tools like this out there.
Great for any retromachines that can’t / won’t run the modern web (and things like Lynx and EWW) and accessibility purposes.
I’ll have to take a look at how it’s parsing the pages. Brow.sh is usually my goto for these use cases, but that’s using a whole Firefox to do the rendering.