As far as John Deere goes I think it has to do with the presumed equipment that they could design and send to mars for colonization. There was a conference Spa

As far as John Deere goes I think it has to do with the presumed equipment that they could design and send to mars for colonization. There was a conference SpaceX put on a year or two ago with a bunch of companies traditionally un-releated to space but would be in a good positions to start producing needed goods that SpaceX would want to send on the first 100s of Starships. Perhaps other companies here fit that list