U.S. TV show "The Name of the Game" had 3 rotating stars in episodes that were tied together by which company?

U.S. TV show "The Name of the Game" (1968) had three stars tied together by a publishing company. The stars were Tony Franciosa as Jeff Dillon, Gene Barry as Glenn Howard, and Robert Stack as Dan Farrell. They were rotating stars, who were featured in independent episodes tied together by a loose common theme, Howard Publications. The publishing empire belonged to Howard (Barry). Howard focused on his big business, political confrontations, and a flamboyant lifestyle.

The groundbreaking TV series had the three rotating stars work with others, who featured Jeff Dillon, a crusading investigative reporter and Dan Farrell, a retired FBI agent who used his position as the editor of Crime Magazine to wage a literary war against organized crime. The series also had several semi-regulars, including editorial assistant Peggy Maxwell (Susan Saint James), and junior reporters Joe Sample (Ben Murphy), Andy Hill (Cliff Potts), and Ross Craig (Mark Miller). The series aired from 1968 to 1971 on the NBC network, totaling 76 episodes of 90 minutes each.