The Zero International group of Companies are leaders in their respective areas of manufacturing, which are as follows: Zero ... - an innovative manufacturer of quality sealing systems for door and window openings. Zero offers systems that are designed specifically for sound applications, as well as those designed for security, safety and quality of life. We also manufacture photoluminescent and flood barrier products through Zero. Intumet - A manufacturer of fire rated intumescent materials used in products where life safety is of concern. Advantage Lites and Louvers - a manufacturer of lites and louvers for doors, walls, and some residential louver applications. Ind-Ex - A manufacturer of custom rubber and plastic extrusions With manufacturing and warehouse facilities throughout the world, Zero International Companies shoud be your choice when it comes to these product lines read more