Profile: Peninsular Cylinder Co., Inc specializes in providing hydraulic and pneumatic cylinders that serve a wide array of industries. We are an ISO 9001: 2000 certified company. We manufacture aluminum pneumatic cylinder to metric standards. Our all pneumatic cylinders are pre-lubed. Special cylinders can be required in certain rugged applications, such as those that require a unique mounting configuration. This is just one component of the cylinder that can be customized to the applications demands. Special seals can be used to withstand even the harshest of environments and allow fluid to be contained in the cylinder.