Comtrol
Comtrol, the leader in serial device connectivity, access, and control, offers a wide range of hardware and software solutions and supporting services - from in-server multiport cards to wireless and network-attached programmable device and application servers. When you select Comtrol technology for serial device connectivity, you get the best quality and support in the industry.

Digi
Digi International makes device networking easy by developing products and technologies that are cost-effective and easy to use. With over 20 million ports shipped worldwide, Digi has been offering the highest levels of performance, flexibility and quality since 1985.

Esprit
Esprit Systems, Inc., is a leading deveoper and worldwide marketer of advanced technology computer terminals that meet a wide range of host computer needs. The company specializes in the design and manufacture of computer terminals, and computer peripherals that are designed to meet exacting corporate standards of ergonomics, reliability and software compatibility.

Moxa
Moxa Technologies was founded in 1987 by five high school classmates who started a consulting business to set up serial communications applications. The expertise they acquired led to the design and manufacture of MOXA multiport serial boards, which are now world renowned for providing high quality data transmission at one of the best cost/performance ratios in the industry.

Perle
Perle Systems offers the most secure and reliable serial connectivity products for a wide range of applications and businesses. With 28 years of experience, you can trust Perle's Terminal, Serial, Device and Console Servers and Multiport Serial cards to deliver the quality and support you depend on.

Quatech
Quatech is the data connectivity company you can rely on. Dedicated to leveraging their robust heritage along with today's emerging technologies to develop innovative product lines. You can count on Quatech to deliver exceptional product quality and impeccable service and support. Rooted in a strong customer orientation, they are available to assist you with all aspects of your project planning and implementation, including your needs for customized solutions.