Tidewater Promotions developed the Quadrangle company store program. Tidewater Promotions is a Maryland based promotional products, screen printing and embroidery company. We have been serving our area with promotional items for over 30 years. We produce all apparel on-site in our Churchville Maryland location. We have been producing Quadrangle garments and promotions for years. We feel we are a perfect fit to manage the Quadrangle brand and fulfill your company store needs.