American Express is running a nice offer for SimplyCash Business Credit Card:
http://smb.americanexpress.com/Si…_300k.html

You can earn a $ 300 statement credit after you spend $ 1,000 on eligible purchases with The SimplyCash Card within the first three months of Card Membership.
Your application must be received by July 15, 2015 to be eligible for this offer.

Card Benefits:

• No annual fees
• 5% cash back on your first $ 25,000 purchase of Office supply stores, wireless telephone services
• 3% cash back on a category of your choice (you can change your selection during the annual selection period each year, category includes airfare, hotel, car rental, gas, restaurants, etc.)
• 1% cash back on other purchases

The cashback earned will be automatically credited to your account as statement credit.

Rates and Fees [americanexpress.com]