DuPont for the most part is Union Doc. This has been going on for years but like I said they pay 100% of the medical as well as back pay to employees injured at least when I worked for them through '79. Now I don't know if this was an agreement with the union or not but either way they are a Union plant at least in the US. Oh and their safety record is their choice of proving they are a great US company. I might add here to satisfy the right wing among us that they really are a pretty good company to work for and are really fair with their employees though others aren't.
At my brothers plant the workers have voted quite a few times and it has remained a non union shop. This was the choice of the workers.
Back to the topic Bob posted though (sorry to derail it Bob) .... Unions do indeed have socialist tendencies in that all that matters is your time in for seniority; the quality of your work is of no consequence.