But we know that companies do discriminate even when it costs them.
The Court ruled that car-insurance companies were discriminating against men.
The lawyers say the company discriminates against women in promotions and pay.
Last year the Justice Department began investigating whether the companies discriminated against minority groups.
Wal-Mart executives say their company does not discriminate against women.
It contends that the company discriminated against black employees in pay, promotions and performance evaluations.
The Canadians say the tax credits that many states offer companies, based on annual production of beer in the state, discriminate against them.
The company is discriminating about which clients and applications it takes on, often turning down Fortune 500 companies with large budgets.
And the insurance industry now acknowledges that poverty rather than race led to shorter lives for many of those against whom the companies discriminated.
Former employees claim that his company discriminates in hiring.