Pacific Amusement Manufacturing Company — known throughout the trade as PAMCO — was a Chicago pinball manufacturer active during the industry’s explosive first decade. Despite its West Coast–sounding name, PAMCO operated entirely from Chicago’s amusement manufacturing district, producing sixty-five games between 1932 and 1937 before disappearing from the market.

PAMCO’s significance extends well beyond its own catalog. The company employed Harry Williams, who designed several games for PAMCO — including Contact (Senior) (1933) — before leaving to establish his own firm, Williams, which would become one of the most celebrated names in pinball history. Other designers including Don Hooker and Fred McClellan contributed to a catalog that spanned the rapid evolution from Pure Mechanical countertop games to full-sized Electromechanical machines with electric scoring and solenoid-powered features.

PAMCO’s run was brief — just five years — but it coincided with the most dynamic period of experimentation in pinball’s early history. The company’s machines document the transition from simple bagatelle-derived novelties to the more sophisticated playfield designs that would define the medium for the next half-century. That PAMCO served as a proving ground for Harry Williams alone would secure its place in the industry’s story.