When Josh Campbell bought the Mail Station at 9300 N May, the self-described “eco-friendly freak” converted all the packaging and mailing products to green materials. Three months later, he opened a second location, the Mail Station Green, inside 50 Penn Place.
•Address: 50 Penn Place, third floor
•Owner: Josh Campbell
•Hours: 10 a.m. to 6 p.m. Monday through Friday, 10 a.m. 2 p.m. Saturday
•Main product: Packing and shipping