Company Profile

Sunpower was incorporated in 1974 and is based in Athens, Ohio. Sunpower operations are housed in a modern 40,000 square foot facility with plenty of growth potential. The space is divided into research and development, engineering, testing facilities, machine shop, cryocooler manufacturing, and administrative functions. Sunpower’s Free-Piston Stirling engines and cryocoolers offer higher performance, higher efficiency, smaller size, and greater flexibility than traditional counterparts. In 2012 Sunpower was purchased by Ametek, Inc.

AMETEK, Inc. ( is a leading global manufacturer of electronic instruments and electromechanical devices with annualized sales of more than $3.0 billion. AMETEK has approximately 12,000 colleagues working at more than 100 manufacturing facilities and more than 100 sales and service centers in the United States and around the world.

Sunpower, Inc. is part of the Advanced Measurement Systems business unit and is the world leader in free-piston Stirling technology. Our reputation for producing reliable and efficient Stirling engines and cryocoolers is known world-wide. Sunpower’s engineering services include prototype design, development and fabrication of free-piston Stirling engines. The CryoTel line of cryocoolers is known for outstanding performance, manufacturing accuracy, and quality. The company was founded in 1974 and is located in Athens, Ohio.

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