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The Worldwide Choice For Wastewater Treatment

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SSI Aeration’s products & services combine engineering excellence, superior component quality, and technically advanced product design.

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About SSI

In the past two decades, some brilliant ideas about wastewater treatment have been bubbling up at an ISO 9001:2015 Certified company. Founded in 1995 as Stamford Scientific International, the company is known worldwide as SSI Aeration, Inc.

SSI Aeration systems and products are installed on five continents at thousands of job sites. Millions of our diffusers are hard at work in wastewater treatments worldwide. SSI has received multiple US and International patents for inventions and industry improvements including:


Our expert staff dedicates themselves to providing superior systems and practical improvements in every aspect of wastewater treatment, whether it is a new build, retrofit, or somewhere in between. SSI Aeration has a worldwide reputation for smart ideas and excellent customer service. Here’s what some of our clients have to say: