You can probably find all the manufacturers that produced cards on this site . Attached is the Hostess 76 checklist from the site. Look under baseball sets and then under brands at the bottom of the page.

https://www.tcdb.com/Checklist.cfm/s...9/1976-Hostess

Generally the cards are worth more uncut on the full back of the box. If not having borders around the cut lines is preferred. Clean cuts are also important if cut on the lines.