System Engineering International
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5716 Industry Ln, Frederick, MD 21704
5716 Industry Ln, Frederick, MD 21704
WebsiteSystem Engineering International (SEI) engineers, manufactures and markets a complete line of uninterruptible DC UPS's and battery systems. It offers its products for use in communications, industrial and military applications, as well as Digital Centrex (ISDN), Voice over Internet Protocol (VoIP) midspan power injectors for power over Ethernet. The company also manufactures integrated services digital network (ISDN) network termination units (NT1's) and ISDN terminals. System Engineering Internationals (SEI) Power Services Division installs, maintains and services a full range of critical (uninterruptible) power systems.
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Fax: 301-694-9608
TollFree: 800-765-4734
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System Eng International
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- General Contractor Engineers, Civil Engineers, Professional Engineers
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