Below is a list of Gaskets manufacturers from Upland, California. Gaskets are mechanical components used to create seals at the point of connection between two pieces of equipment. In applications in which liquids or gasses are transmitted through pipes, hoses or tubing, gaskets prevent leaking and loss of pressure at connection points. Because so many industries make such wide use of so many chemicals under so many circumstances, an entire industry of connection management solutions designers has emerged to accommodate them.