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Is A1 Sun Inc. your business?

A1 Sun Inc. is listed as a solar installation in Berkeley, California. Claiming is free and takes a minute: verify your email and we'll confirm you represent the business before anything on this page changes.

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Your solar or electrical contractor license, if your state issues one. Shown on your page as “License on file” so customers can check it.

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Claiming is free. We verify your email, then a person confirms you represent the business before anything on this page changes.