Yup. Take any pw or Collins product and basically every single sub component is manufactured by a mom and pop operation. From washers, to bolts, screws, printed wiring boards, connectors, harnesses, fan blades you name it. It's all made out of house. The only thing the big corps do (Lockheed raytheon, pw, EB) is design work, set requirements, and final assembly. Parts are all procured from all over the country and for commercial products, all over the world.