What arcade manufacturer was behind "Pac-Man," "Galaga," and "Dig Dug"?

Namco engineered the arcade holy trinity of "Pac-Man," "Galaga," and "Dig Dug." The company's knack for simple yet wildly addictive gameplay made them the ones to beat in the early '80s arcade boom, with "Pac-Man" becoming the best-selling game of all time and a pop culture icon that inspired everything from cereal to a top 10 hit song.