American Number Plates is run by Craigsplates and is a site that specialises in American style plates.
Also sell plate accessories such as frames.
They say:
We are one of the top number plate manufacturers of American aluminium embossed number plates in the United Kingdom.
CraigsPlates
Suite 1
Norfolk House
Williamsport Way
New Lion Barn
Needham Market
Suffolk
IP6 8RW
Phone: 0871 288 4 288