Insights

Strong Local Presence A1 Sun, Inc. has established a solid regional footprint within Berkeley and surrounding cities, indicating a deep understanding of local market needs and excellent community ties, which can facilitate targeted expansion and customer acquisition efforts.

Experienced Leadership Founded by industry veterans with over 30 years of solar installation experience, A1 Sun brings credible expertise and a strong reputation that can be leveraged to attract commercial and residential clients seeking trusted renewable energy solutions.

Growth Potential With a revenue range of 1 million to 10 million and a dedicated focus on photovoltaic and thermal solar systems, there is significant room for scale, especially by targeting clients transitioning to sustainable energy sources in the local market.

Tech Stack Adoption Utilizing contemporary technology such as Vue.js and Ubuntu indicates operational efficiency and flexibility, providing an opportunity to enhance online customer engagement, streamline project management, and improve digital marketing strategies.

Competitive Positioning While operating in a competitive landscape with larger firms, A1 Sun’s focus on affordability and community-centered projects offers a unique value proposition that can differentiate it in local markets and attract environmentally conscious customers.

A1 Sun, Inc. Tech Stack

A1 Sun, Inc. uses 8 technology products and services including Concrete CMS, Microsoft 365, Vue.js, and more. Explore A1 Sun, Inc.'s tech stack below.

  • Concrete CMS
    Content Management System
  • Microsoft 365
    Email
  • Vue.js
    Javascript Frameworks
  • Moment.js
    Javascript Libraries
  • Ubuntu
    Operating Systems
  • PHP
    Programming Languages
  • Bluehost
    Web Hosting
  • Apache
    Web Servers

Media & News

A1 Sun, Inc.'s Email Address Formats

A1 Sun, Inc. uses at least 1 format(s):
A1 Sun, Inc. Email FormatsExamplePercentage
FirstL@a1suninc.comJohnD@a1suninc.com
50%
FirstL@a1suninc.comJohnD@a1suninc.com
50%

Frequently Asked Questions

Where is A1 Sun, Inc.'s headquarters located?

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A1 Sun, Inc.'s main headquarters is located at 1435 4th Street Berkeley, California 94710 United States. The company has employees across 1 continents, including North America.

What is A1 Sun, Inc.'s phone number?

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You can contact A1 Sun, Inc.'s main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is A1 Sun, Inc.'s official website and social media links?

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A1 Sun, Inc.'s official website is a1suninc.com and has social profiles on LinkedIn.

How much revenue does A1 Sun, Inc. generate?

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As of February 2026, A1 Sun, Inc.'s annual revenue is estimated to be $1M.

What is A1 Sun, Inc.'s SIC code NAICS code?

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A1 Sun, Inc.'s SIC code is 1711 - Plumbing, Heating and Air-Conditioning NAICS code is 33441 - Semiconductor and Other Electronic Component Manufacturing.

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

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As of February 2026, A1 Sun, Inc. has approximately 12 employees across 1 continents, including North America. Key team members include Technical Asset Manager: C. S.Solar Interconnection Specialist / Warehouse Associate: L. H.Installer: A. G.. Explore A1 Sun, Inc.'s employee directory with LeadIQ.

What industry does A1 Sun, Inc. belong to?

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A1 Sun, Inc. operates in the Renewable Energy Semiconductor Manufacturing industry.

What technology does A1 Sun, Inc. use?

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A1 Sun, Inc.'s tech stack includes Concrete CMSMicrosoft 365Vue.jsMoment.jsUbuntuPHPBluehostApache.

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

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A1 Sun, Inc.'s email format typically follows the pattern of FirstL@a1suninc.com. Find more A1 Sun, Inc. email formats with LeadIQ.

When was A1 Sun, Inc. founded?

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A1 Sun, Inc. was founded in 2007.

A1 Sun, Inc.

Renewable Energy Semiconductor ManufacturingCalifornia, United States11-50 Employees

We incorporated A1 Sun, Inc. in 2007 with the goal of installing superb, affordable photovoltaic and thermal solar energy systems to benefit our neighbors, our community, and the larger global environment. 

We are located in Berkeley and work locally in our home town and the surrounding cities of Oakland, Emeryville, Albany, El Cerrito, Richmond and Orinda and beyond.  Founding members Larry Giustino and Paul Cooper both have 30+ years of experience in the solar field. 

Alameda County folks may remember Paul and Larry from the solar installation company Solar Station, Inc. and the nonprofit sister organization AEC - Alternative Energy Collective in the late 70’s and 80’s.

Section iconCompany Overview

Headquarters
1435 4th Street Berkeley, California 94710 United States
Phone number
SIC Code
1711 - Plumbing, Heating and Air-Conditioning
NAICS Code
33441 - Semiconductor and Other Electronic Component Manufacturing
Founded
2007
Employees
11-50

Section iconMedia & News

Section iconFunding & Financials

  • $10M$25M

    A1 Sun, Inc.'s revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    A1 Sun, Inc.'s revenue is estimated to be in the range of $10M$25M

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