Avalon Hill

Avalon Hill Game Company, The, p.n.: venerated game publishing company; publisher of literally hundreds of tabletop games, including classics like Civilization, Starship Troopers, Runequest & Squad Leader. [GJ1]
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Addendum #1: The favorite game company of paleogamers. [GJ1]
Addendum #2: Avalon Hill the company crapped out in '98 due to financial problems. They were snapped up by Hasbro along with rights to the old games (later made a subsidary of also owned-Wizards of the Coast in 2004), though most of them have not been reprinted, save a few such as Acquire, Diplomacy, and Axis & Allies (though originally a Milton Bradley game, it was transferred to AH with a Hasbro reorganizing).