Custom fabrication and production of advanced filtration and flow control systems; Prototype fabrication of new products for others; Technical support services, namely, providing technical advice related to the manufacture of advanced filtration and flow control systems; Custom manufacturing of high-performance metal filters and flow control devices for others; Custom manufacture of high-performance metal filters and flow control devices; Technical support services, namely, providing technical advice related to the manufacture of filters and flow control devices for use in advanced filtration and flow control systems; Manufacturing services for others in the field of filters and flow control devices for use in advanced filtration and flow control systems; Custom building of filters and flow control devices for use in advanced filtration and flow control systems; Manufacture of general product lines in the field of filters and flow control devices for use in advanced filtration and flow control systems to the order and specification of others; Manufacture of filters and flow control devices for use in advanced filtration and flow control systems to order and/or specification of others