Over 32 years experience in the design, fabrication and installation of aircraft hangar doors, blast doors, and large specialty door systems worldwide - both Military and Private. D.P. Industries is a Veteran Owned Small Business (VOSB). Types of door systems include: multiple leaf slide sliding, bi-parting, partial canopy, tip-up, side wall stacking, air filter, plenum, corrosion control, free standing, blast resistant, fragmentation, high security locking, tail enclosures, vertically moving, vertical lift, bi-fold, swinging, movable buildings, aperture, t-tail, crane-way, bridge cranes and add-a-motor options. Available in kit form or installed.