Coffee is the world’s second-most traded commodity, second only to oil. In honor of our favorite wake up call, here’s a look at some of the places you can celebrate National Coffee Day:

Dunkin’ Donuts: Dunkin’ Donuts is celebrating National Coffee Day with a BOGO deal – buy any medium or larger coffee and get a medium drip coffee for free to share with a friend.

Krispy Kreme: The donut chain is turning National Coffee Day into Coffee Weekend, offering one free coffee per person from Sept. 29 to Oct. 1.

McDonald’s is celebrating National Coffee Day by offering small McCafé beverages for $2.

Pilot and Flying J: Get a free small cup of Pilot coffee, tea or a cappuccino using this online coupon.

Participation may vary and promotional offers may not be available in all areas. Check local stores for complete details.