The majority of compressors manufactured are custom made to a client's specific requirements for use in complex applications where the failure of the compressor could be disastrous.
USA
The two most common types of compressors are the positive-displacement and the velocity or dynamic.
The first compressors were actually not made on purpose, but were a result of the limitations of magnetic tape recording. Recording at a high level results in tape 'saturation', which limits the dynamic range of the recording. The first commercial studio compressors (not custom-built) were the Teletronix LA-2A (1965) and the Universal Audio 1176 (1968).
USA
yes most of the people wants the custom made outdooe sign
A jeweler? Most local Jewelers should be able to do custom work.
One can purchase custom made glasses at Kaiser hospitals that have a glasses store. Most Kaiser hospitals have such stores. Custom made glasses are very expensive and take a long time to make.
Custom Shop made.
Because the custom game your playing is badly made? Most logical answer. Shouldnt do that if it was made normally
Most Nike custom running shoes are not made in the USA. They are manufactured outside of the country and then brought in, but then customized to fit your foot.
Most are cycling clutch piston compressors, with the wobble plate method of cycling the pistons probably being the most common. Rotary and vane compressors can also be found, the latter being almost predominant in hybrid vehicles.
Most custom crafted items are expensive because they are custom made. You can expect to pay in the thousands for custom made office furniture because everything is customized to your specific needs.