Computer Hardware 
Offering rentals of desktop and laptop computers, projectors, AV equipment, display, and printers to businesses in the United States.
http://www.rentacomputer.com/
Offering printed circuit design services for all levels and types of PCB. Also contains links to industry related pages and sources of information.
http://www.actinicpcb.com/
Catalogue of hardware and associated equipment for colocations and data centers. Information on mount racks, power supply, fire detection and suppression, and climate and humidity control.
http://www.coloequipment.com/
Provides network appliance for bandwidth optimization and web filtering.
http://www.cymphonix.com/
New and used systems, upgrades, and replacement parts including: IBM AS/400, IBM RS/6000, S390 equipment. Also IBM printers, wireless Point of Sale and RFID Equipment.
http://www.datasystemsplus.com/
Guide to managing data storage in the enterprise. Home of the Enterprise Storage Management (ESM) FAQ.
http://www.enterprisestoragemanagement.com/
7. HPC Systems
San Jose, California based company sells custom configured servers, blades, clusters, and storage systems using standard AMD and Intel based architecture.
http://www.hpcsystems.com/
Produces load balancing, SSL acceleration and Internet traffic management appliances.
http://www.kemptechnologies.com/
9. Micro-Coax
A unique high-performance product line of microwave cables serving the defense, telecommunications and test/measurement marketplace.
http://www.micro-coax.com/
10. Mistral
Offers board design, from concept to a functional board, catering to the customer's varied requirements.
http://www.mistralsoftware.com/
A midrange hardware reseller and solution provider of FalconStor storage virtualization, document imaging, and management solutions; as well as servers, fibre, ATA and iSCSI disk, routers, hubs, and workstations from IBM, HP, Sun, Dell, SGI, and Cisco.
http://www.nasi.com/
Features products and services related to test and analysis of network performance and security.
http://www.phoenixdatacom.com/
Information, articles, and resources on portable MP3 players and related technologies.
http://www.portable-mp3-players-store.com/
Formerly known as Optical Access International sells DVD and CD ROM servers, towers, jukeboxes, NAS RAID storage solutions.
http://www.primearray.com/
15. SANRAD Ltd.
An IP storage company developing secure and manageable iSCSI SAN to manage IP storage networks easily.
http://www.sanrad.com/
16. Symmetricom
Provides advanced network synchronization systems like time servers using NTP.
http://www.ntp-systems.com/
17. U-Touch Limited
Offers interactive touchscreen overlays which fit over large plasma or LCD displays for fingertip control of presentations and Windows.
http://www.u-touch.co.uk/