1. BetterWorld Telecom

    www.betterworldtelecom.comReston, VA

    "America's telecommunications choice for social responsibility.™ Saving home and business customers 20-40% while donating 3% of revenues to organizations supporting children, education, and the environment."

  2. CREDO Mobile

    www.credomobile.comSan Francisco, CA

    Make a difference just by talking on the phone. Join CREDO Mobile, formerly Working Assets Wireless, and generate automatic donations to progressive nonprofit groups--at no extra cost. You'll also get a free phone and a wide selection of national calling plans. For details and to sign up, call (877)76-CREDO or visit credomobile.com/greenpages.

  3. Earth Tones—the Environmental Telephone & Internet Co.

    www.earthtones.comDenver, CO

    Wireless/cellular service, Internet access, and long-distance telephone service. Gives 100% of profits to environmental groups. Competitive rates and high-quality service.