Nematron has made available the ePC series of industrial computers with Class 1 Division 2 Hazardous Location Rating.

A thin profile and support for Celeron M and Core Duo processors make the range suitable for demanding HMI/SCADA applications.

There are currently three display sizes in the series 15, 17, and 19in, all are available with 5-wire analogue resistive touch-screens and IP65/NEMA front panel environmental protection.
Panel depth is less than 75mm (3.0in) on the 15in unit.

The US-manufactured ePC-Series computers include 15in (ePC1500) XGA, 17in (ePC1700) SXGA, and a 19in (ePC1900) SXGA LCD version. All versions are standard with 100-240Vac input power supplies, have NEMA 4/4x/12 panel mountable front panels, and are less than 75mm (3.0in) deep when panel mounted.

Along with a Compact Flash socket as standard the ePC has an extensive range of I/O ports which include; two 10/100/1000 Ethernet , one RS-422/485, two RS-232, four USB 2.0, PS/2, and even an external video connection that supports dual display with extended desktop. 

See http://www.nematron.net