Welcome to STR

Welcome to STR Holdings, Inc.

Specialized Technology Resources is a worldwide leader in Solar Panel Encapsulation. Our Solar business is committed to providing our customers with environmentally-responsible solutions through continual research & development and innovation.

A Message From the Chairman

Dennis Jilot STR Strives to make the world a better place by advancing solar energy as a key renewable clean electricity source while maintaining the highest ethical standards.

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STR Solar

STR's Solar Encapsulant Manufacturing business is one of the world's leading providers of high quality, superior performance solar encapsulants - marketed under the trade name Photocap® since 1979 - for the photovoltaic module industry. With over 80 customers around the world, including many of the top names in the solar module business, STR has developed many of the major innovations in the industry.