How many email patterns does HEI use?

HEI uses 15 known email patterns.

What domain does HEI use for work emails?

HEI uses hei.com, heco.com for work email addresses.

Most Common Email Formats at HEI

HEI's most common email format is FLast@hei.com (ex. JDoe@hei.com), used for 95% of hei.com addresses. HEI uses 7 email patterns across 2 domains: hei.com and heco.com. Percentages are the share of addresses within each domain.

@hei.com

4 patterns

Format	Example	Share of hei.com
FLast@hei.comMost common	JDoe@hei.com	95%
Last.F@hei.com	Doe.J@hei.com	2%
FirstLast@hei.com	JohnDoe@hei.com	1%
FMLast@hei.com	JMDoe@hei.com	2%

@heco.com

3 patterns

Format	Example	Share of heco.com
First.Last@heco.comMost common	John.Doe@heco.com	98%
Fir.Last@heco.com	Joh.Doe@heco.com	1%
Last.First@heco.com	Doe.John@heco.com	1%

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Browse HEI's employee directory (about 165 employees) and reveal verified emails free.

Frequently Asked Questions

What does HEI do?

HEI operates in the Holding Companies industry, alongside similar companies like AECOM, Arcadis and Burns & McDonnell. You can visit hei.com or contact HEI's headquarters by phone at

+1-808-543-****

. Explore HEI's company overview page for more information.

What is HEI's email address format?

HEI's email format typically follows the pattern of FLast@hei.com; this email format is used 95% of the time. Other contacts within LeadIQ's database had email formats such as Last.F@hei.com and FirstLast@hei.com. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does HEI have currently?

HEI has approximately 165 employees as of November 2026. Key team members to contact include Chief Financial Officer: E. B., President: D. R. and Owner: D. M. M. For more team information and contact data, explore HEI's employee directory with LeadIQ.

HEI Email Format

Q: What is HEI's email address format?

HEI's email format typically follows the pattern of ${fi}${ln}. Other email formats include ${ln}.${fi} and ${fn}${ln}.

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.

Most common format

FLast@hei.com

Example: JDoe@hei.com

7 patterns across 2 domains. See all formats

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Most Common Email Formats at HEI

@hei.com

@heco.com

Need a specific person's email?

Frequently Asked Questions

What does HEI do?

What is HEI's email address format?

How many employees does HEI have currently?

HEI Email Format

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What you can expect from LeadIQ:

Ready to create more pipeline?

Everything for prospecting,
in one platform.