Doors and Windows Specialty DoorsLarco Industrial Safety Mats and Automatic Door Mats Larco is the premier manufacturer of presence-sensing mats for automatic doors and industrial safety. Larco Automatic Door Mats For more than 45 years, Larco has been manufacturing presence-sensing automatic door mats. Over time, mats have evolved to become the safest, most reliable and most cost-effective door activation and safety method available. Larco's mats can be found on automatic doors in airports, retail chains, hotels, and grocery stores. Larco Industrial Safety Mats Designed to meet stringent indu