Sole Source is an award-winning greeting card company. We specialize in printed materials for the veterinary, medical, construction, trucking and automotive industries. Our business has been in operation since 1989 and is located in Caldwell, Idaho. Our mission is to provide our clients with the most creative designs and highest quality of service and product available. We take great pride in knowing that from all of the cards sold we experience a merchandise return rate of less than 1%. Our promise is satisfaction guaranteed on all orders.