Since 1961, Linear has been a trusted brand in the perimeter access and access control industry for both commercial and residential markets. Based in Carlsbad, Calif., Linear is part of the Nice North America family of brands and manufactures gate and garage door operators, telephone entry systems, accessories and more. Linear products are used throughout the world in multi-family dwelling units (MDUs), commercial applications, single-family homes, educational facilities and beyond. Find the product that works for you.