[gregoryl]

Gosh, there was a website, where you submit a PSD + payment, and they spit out a sliced design. Initially tables, later, CSS. Life saver.

[Brajeshwar]

Y Combinator funded one such company, MarkupWand.[1] A friend is one of the co-founders.

1. https://www.ycombinator.com/companies/markupwand