cSyS- Critical Systems

Manufacturers Representatives

cSyS a unique set of skills

cSyS combines electrical design, computer science and facilities energy management and has extensive knowledge of critical facility systems and how to combine those systems to best fit your application. Building our portfolio from large data centers, EV fleet operators and public charging over the last 40 years our company has always been in the for front of design and service. Researching technologies that are cutting edge with high performance capabilities and design these systems with new ideas to make some of the most reliable and energy efficient systems on the market. Understanding the process from concept to customer turnover, helps cSyS provide a superior customer experience.

Over the past 40 years we started supporting manufacturers that we felt best fit our customer's needs.  Today we are a full-service manufacturer's representative firm which support New England to DC Metro.


Benefit from our knowledge.


Star Charge

OnLine Power

ABB Critical Power Systems- ATS

Applied Energy

ABB Critical Power Systems- PDUs

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