YOU CAN COUNT ON CORRELL: Correll was established in 1969 and has been in business for over 50 years. HPL Collaborative Desk - Trap Fusion Maple 23"x33" Trapezoid shaped top. Correll helps you create a modern creative transformable workspace. With our out Standing Customer Service, innovative new product lines, and the largest selection of Folding Tables available from any manufacturer, now, more than ever, you can count on Correll.