The phrase "corporate tyranny" might seem to be nothing more than empty rhetoric, a muscular slogan with a plausible ring, but one lacking principled roots in the great tradition of political language which it echoes. In this Article, I aim to show that, on the contrary, it is indeed meaningful to apply the term tyranny in connection with contemporary corporate power-meaningful, that is, according to the criteria governing the use of that term within the limited government tradition's Rule of Law discourse. I also aim to demonstrate that, according to traditional criteria, certain terms used to lament the harms occasioned by manipulative state power-namely, arbitrariness, slavishness and corruption-might plausibly be employed against the large business corporation. The implications are significant. If the present constitution of corporate power were shown to be hospitable to those ills, then the legitimacy of corporate power would have been called into question on distinctive Rule of Law grounds. The notion that economic power is a limited government problem was a central and recurrent theme in public debates in the United States from the American Revolution until the middle of the twentieth century. Since then, however, the notion of "limited government" has become synonymous with the limitation of state, rather than "private", power; indeed, "limited government" has become a byword for the social philosophy that professes a belief in "small government"-a philosophy which, in effect, supports