Crown Office Supplies is a legitimate business that offers a wide range of office supplies and other products. The company is known for its Net 30 accounts, which can help businesses build credit by reporting to all three major credit bureaus. The application process is quick and easy, and there is a $30 minimum purchase amount. However, there is a $99 annual fee to report payment history on a Net 30 account. The company has a physical address in Sheridan, WY, and operates during standard business hours.