Insights

Strategic Growth HEI operates as Hawaii-based energy infrastructure holding company with substantial revenue and funding, indicating a need for long-term infrastructure services, procurement optimization, and software that supports large-scale project management and compliance.

Energy Sector Exposure HEI’s focus on energy infrastructure and related subsdiaries suggests opportunities for reliability engineering, grid modernization technologies, regulatory compliance solutions, after-market services, and risk management for energy portfolios.

Tech Stack Fit Current technologies include Snowplow, Adobe Experience Cloud, Smartsheet, DocuSign and Cisco, signaling openness to analytics, digital experiences, contract management, collaboration, and secure networking; target offerings could augment data analytics, digital operations, and enterprise collaboration.

Financial Momentum Revenue scale in the hundreds of millions with sizable funding indicates capacity for large project contracts, financing support, vendor financing, and scalable IT and project controls solutions that align with capital expenditure cycles.

Strategic Partnerships Recent activity monetizing bank stake and high-profile industry focus across aerospace-adjacent sectors implies potential for advisory services, paired procurement programs, and technology collaborations that span energy, infrastructure and defense-adjacent markets.

Similar companies to HEI

HEI Tech Stack

HEI uses 8 technology products and services including Snowplow, Adobe Experience Cloud, Webpack, and more. Explore HEI's tech stack below.

Media & News

HEI's Email Address Formats

HEI uses at least 7 email formats:
HEI Email FormatsExamplePercentage
First.Last@heco.comJohn.Doe@heco.com
98%
Fir.Last@heco.comJoh.Doe@heco.com
1%
Last.First@heco.comDoe.John@heco.com
1%
FLast@hei.comJDoe@hei.com
95%
Last.F@hei.comDoe.J@hei.com
2%
FirstLast@hei.comJohnDoe@hei.com
1%
FMLast@hei.comJMDoe@hei.com
2%

Frequently Asked Questions

What is HEI's phone number?

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You can contact HEI'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 HEI's stock symbol?

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HEI is a publicly traded company; the company's stock symbol is HEI.

What is HEI's official website and social media links?

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HEI's official website is hei.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does HEI generate?

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As of September 2026, HEI's annual revenue is estimated to be $500M - $1B.

What is HEI's NAICS code?

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HEI's NAICS code is 55 - Management of Companies and Enterprises.

How many employees does HEI have currently?

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As of September 2026, HEI has approximately 159 employees across 3 continents, including North America, Asia and Europe. Key team members include Chief Financial Officer: E. B., President: D. R. and Owner: D. M. M. Explore HEI's employee directory with LeadIQ.

What industry does HEI belong to?

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HEI operates in the Holding Companies industry.

What technology does HEI use?

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HEI's tech stack includes Snowplow, Adobe Experience Cloud, Webpack, jQuery, Slick, DocuSign, Cisco and Smartsheet.

What is HEI's email format?

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HEI's email format typically follows the pattern of First.Last@heco.com. Find more HEI email formats with LeadIQ.

How much funding has HEI raised to date?

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As of September 2026, HEI has raised $1.3B in funding. The last funding round occurred on Oct 11, 2025 for $500M.
HEI logo

HEI

Holding CompaniesHawaii, United States51-200 Employees

HEI is a holding company comprised of a family of Hawaii-based entities that deliver the energy infrastructure supporting the state's economic and community activity. Based in Honolulu, Hawaii, the group operates in the energy sector to maintain and develop infrastructure essential to daily life.

The organization is mid-sized and focused on serving the Hawaiian market through its regional portfolio of assets. In June 2026, HEI Civil announced dual CSP certifications for Joosten and Hemric, illustrating an emphasis on safety leadership within the company.

Section iconCompany Overview

Phone number
Website
hei.com
Stock Symbol
HEI
NAICS Code
55 - Management of Companies and Enterprises
Employees
51-200

Section iconFunding & Financials

  • $1.3B

    HEI has raised a total of $1.3B of funding over 3 rounds. Their latest funding round was raised on Oct 11, 2025 in the amount of $500M as a Post IPO Debt.

  • $500M - $1B

    HEI's revenue is estimated to be in the range of $500M - $1B

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