Advantech makes portable computers and vehicle mounted computers, including rugged handheld terminals and industrial tablet PCs as well as vehicle computers for trucks, trailers, taxis, cranes, and forklifts.

Amrel makes industrial and military rugged notebooks, tablets, PDAs, and in-vehicle computers featuring protective chambers for the motherboard, I/O ports, harddrives, and swappable modules.

BSi makes rugged portables PC as well as rugged and semi-rugged laptops with various monitor sizes and operate on a variety of processors.

Citadel Computer COrp makes NetFORCE 12.1" flat panel industrial PCs for fixed and mobile applications and can be installed on hostlers, tuggers, forklifts, emergency vehicles, and more.

Eden Rugged Tablet PC makes their name sake in two models, a 10.4" model and an 8.4" model, with sunlight readable displays, 1 GB of RAM, 80GB shock mounted hard disk, and WinXP embedded operating system.

General Dynamics Itronix makes several rugged mobile PCs and notebooks an ultra-mobile PC with wireless capabilities, 40GB or 80GB hard drive, shock mounted or 32/64GB solid state drive, Intel Core Solo ULV 1.2 GHz processor, and 5.6" WSVGA outdoor viewable DynaVue monitor.

Glacier Computer designs, manufactures, and supports rugged tablets and notebooks such as their Ridgeline tablet which can withstand 3-feet drops to concrete, most any temperature, and is water resistant.

noax Technologies makes several mobile PCs including an 8-inch, a 12-inch, and a 15-inch model, which have high-contrast TFT displays and are excellent for use in PDA, MDA, logistics, and personnel attendance acquisition applications.

MaxVision makes rugged portable computers, workstations, and servers, which can be made to fully custom designs if required. Their models include portable handheld computers, luggable computers and workstations, and deployable workstations and servers.

Panasonic makes vehicle mounted and ultra rugged mobile computers. Their in-vehicle computers have a 12.1" 1024x768 XGA screen with touchscreen capabilities as well as dual integrated speakers.

Paragon offers rugged multi-slot portable computers and tablets for harsh environments.

Portable Computer Systems sells Intermec rugged handheld computers which feature Cisco 802.11x wifi and Bluetooth capabilities.

Rave Computer offers rugged laptops, tablets, and handheld PCs. Their tablets run on Intel or VIA Eden processors and have an 8.4" or 10.4" screen, while their laptop screens range from 10.4" to 15" models.

Ruff PC offers rugged lightweight laptop computers, including the RuffBook Commando, a fully rugged notebook that runs on an Intel Core 2 Duo 1.6GHz processor, sealed ports and connectors as well as a shock-mounted hard disk, so it can withstand the extremes you may need to put it through.

Rugged Notebooks offers laptops in varying degrees of ruggedness, including those with spill-resistant keyboards, tested to IP54 environmental protection specifications, drop protection to withstand a three foot drop onto concrete, and more.

Mobile Demand makes rugged tablet PCs that meet military specifications, are vehicle mountable, feature bar-code scanners, and credit card readers as well as sunlight readable displays.

Stealth Computer offers portable computers for field service, network and communications testing, and data acquisition and other in-plant and outdoor industrial applications.

Symbol Technologies makes the VC5090 vehicle mounted mobile computer, with wifi, Intel XScale PXA270 624MHz processor and uses WinCE 5.0.

Xplore Technologies offers vehicle mountable tablet PCs.