From Planned Parenthood’s website:
Double the size of your gift. Does your employer match charitable contributions? If so, please contact your Human Resources Department for more information about how your gift may be matched.
A partial list of companies with Corporate Matching Gift Programs includes: AT&T, Alcoa, American Express, Avon Products, Black & Decker, Circuit City, Citibank, Clorox, Coca-Cola, Fannie Mae, Freddie Mac, Fidelity Investments, Ford Motor Company, Gannett, James River Corporation, Merck & Company, Microsoft Corporation, Motorola, Phillip Morris, T. Rowe Price, Prudential Insurance, Safeco Corporation, Sun Microsystems, Sunoco, Vanguard Group, Verizon, Washington Post Company, White & Case