Many car and body shops might be able to do chrome plating. There are also specialize shops that specialize in chrome plating.

No. Chrome plating has a different reflection profile, meaning that sunlight will look different when it hits chrome plating.

V&M Plating out of Las Angeles does hard chrome plating for more industrial applications. Pauls chrome plating inc. does chrome for motorcycle and auto parts they are in Evans City PA

Gatero's plating offers a nice chrome plating kit for an affordable price, and you can buy them online at http://www.gaterosplating.co.uk/Replica-Chrome-Plating-Kit.php. They also have other plating kits.

Plastic chrome plating is used a lot of time for car parts, like grills and the nameplates on the side.

Basically, plastic chrome plating is used for taking plastic things and chrome plating them, like a trophy or the front of a car.