Breaking News: ILSCO acquires SSI. PRESS RELEASE.
See SSI's First Defense™ RV & Marine line HERE.
Read more about what the Advantage Series can do for you HERE.
Read the latest informative article HERE
View SSI's lease options HERE.
Go to ECS International website HERE.
View the ISO 14001 : 2004 certificate HERE and the ISO 9001 : 2008 HERE.

Welcome to the home of the most complete and best performing line of Surge Protective Devices available!

Surge Suppression Incorporated (SSI) is the leading manufacturer, distributor and service provider of surge protection devices, such as the Advantage® Series, trusted by over 200,000 customers around the globe. Our customers include the U.S. State Department, state and local government operations, and a collection of the world's most recognized brands, like Nike and Mobil Oil.

Quality, Performance, Integrity

By specializing and focusing all of our research and development on surge protection and its effect on the clients' profitability, we deliver only the highest-performing power quality products. These include power, telecom and data protection, all backed by the most admired warranty in the industry.

Our team's depth of expertise and collective years of experience, combined with shared positive ethical values, honesty and integrity, serve as our foundation. We personally commit to providing unsurpassed service and excellence to all of our future and current customers.

We've established the industry standards for quality, performance and customer satisfaction and are devoted to continually raising that bar. Contact us today to discuss how SSI is your surge protection solution.


SSI is proud to offer the industry's most complete and capable line of high quality...

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Assess your power quality risk & learn about how critical surge protection is...

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Engineer Central

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About Us

Founded in 1982, SSI set a course to be in the top tier of manufacturing corporations...

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