A1 Sun, Inc. Employee Directory

Renewable Energy Semiconductor ManufacturingCalifornia, United States11-50 Employees

A1 Sun, Inc. is a Berkeley, California-based company focused on installing photovoltaic and thermal solar energy systems in the renewable energy sector. It aims to provide high-quality, affordable solar installations that benefit local residents and the wider environment. The company serves the Berkeley area and nearby East Bay communities such as Oakland, Emeryville, Albany, El Cerrito, Richmond, and Orinda, extending its reach beyond these towns. The firm was incorporated in 2007 by Larry Giustino and Paul Cooper, both with decades of experience in the solar field. Their prior work in the local solar community includes leadership roles with Solar Station, Inc. and the nonprofit Alternative Energy Collective in the late 1970s and 1980s.

Find A1 Sun, Inc. employees' phone numbers or email addresses

A1 Sun, Inc. Global Highlights

Location
Employees

North America
14

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  • United States Of America
    14

A1 Sun, Inc.'s Leadership

  • Stylized image of a person
    C. S.
    Technical Asset Manager
    Phone icon
  • Stylized image of a person
    L. H.
    Solar Interconnection Specialist / Warehouse Associate
    Phone icon
  • Stylized image of a person
    A. G.
    Installer
    Phone icon

A1 Sun, Inc. Employee Metrics

100%
50%
0%
2026
2025
  • Administrative
  • Business
  • Human Resources
  • Program & Project Management
  • Solutions Engineering
  • Other

Contact profiles from A1 Sun, Inc.

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    C. S.
    Technical Asset Manager
    Phone icon
    UNITED STATES
    Aug 04, 2023
  • Stylized image of a person
    L. H.
    Solar Interconnection Specialist / Warehouse Associate
    Phone icon
    United StatesMississippi
    Nov 04, 2025
  • Stylized image of a person
    A. G.
    Installer
    Phone icon
    Apr 23, 2025

Frequently Asked Questions

What is A1 Sun, Inc. known for?

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A1 Sun, Inc. was founded in 2007 operates in the Renewable Energy Semiconductor Manufacturing industry. The company's main headquarters is located in 1435 4th Street Berkeley, California 94710 United States; you can contact the main corporate office by phone at . Explore A1 Sun, Inc.'s company overview page for more information.

What is A1 Sun, Inc.'s most common email format?

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A1 Sun, Inc. employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more A1 Sun, Inc. email formats with LeadIQ.

How many employees does A1 Sun, Inc. have currently?

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A1 Sun, Inc. has approximately 13 employees as of June 2026. These team members are located across 1 continents, including North America.

Who are A1 Sun, Inc.'s key employees and leadership?

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As of June 2026, A1 Sun, Inc.'s key employees include:

  • Technical Asset Manager: C. S.
  • Solar Interconnection Specialist / Warehouse Associate: L. H.
  • Installer: A. G.

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