Were GridIron Master and Careers first manufactured/published by different companies?
GridIron Master GridIron Master is a wooden board game invented by Brett Proud, Craig Proud, Paul Morin and Jordan Sampson. It was first published by Canadian company "PHI Sports Games" in 2007. It combines the strategic elements of American and Canadian Football with chess. The Canadian Edition of "GridIron Master" is licensed by the Canadian Football League Players Association (CFLPA).
CSE Games Card Sports & Entertainment Inc. (CSE Games) is a games publisher and licensed-products manufacturing company incorporated in 2004. Its first products are the award-winning boardgames Card Football and NHL Ice Breaker. Card Football and Ice Breaker use the D54 Game System which is based on a standard 54-card deck.