I understand the sentiment here, but the greater OKC CoC has thousands of member businesses (including 290 banks, which means your bank is probably on the list lol)...add Tulsa to that mix and a boycott is just downright impractical/impossible to keep up with.
https://www.okcchamber.com/index.php?src=sba&srctype=businesssearch_lister
https://www.okcchamber.com/index.php?src=sba&srctype=businesssearch_lister