PCH is a hardware company that does everything from concept, design, manufacture, fulfillment.
They have a very cool hardware lab in San Francisco, where you can see their works and actual equipment for designing hardware. They also have their own factory in Shenzen for mass production.
Few examples on what they have done are
Card reader dongle for Square
UV measurement tab for L'Oreal
If you have any desire to develop any hardware, this is a great company to talk to.
Please let me know if you need any introductions.