How many email patterns does ESI use?

ESI uses 25 known email patterns.

What domain does ESI use for work emails?

ESI uses esi.com, esiaz.us for work email addresses.

Most Common Email Formats at ESI

ESI's most common email format is LastF@esi.com (ex. DoeJ@esi.com), used for 78% of esi.com addresses. ESI uses 5 email patterns across 2 domains: esi.com and esiaz.us. Percentages are the share of addresses within each domain.

@esi.com

4 patterns

Format	Example	Share of esi.com
LastF@esi.comMost common	DoeJ@esi.com	78%
FLast@esi.com	JDoe@esi.com	11%
FirstLast@esi.com	JohnDoe@esi.com	8%
First.Last@esi.com	John.Doe@esi.com	3%

@esiaz.us

1 pattern

Format	Example	Share of esiaz.us
First@esiaz.usMost common	John@esiaz.us	100%

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Frequently Asked Questions

What does ESI do?

ESI was founded in 1999 and operates in the Education Administration Programs industry, alongside similar companies like The Warren Group, National Forensic Consultants and Envista Forensics. You can visit esiworkforce.com or contact ESI's headquarters by phone at

+1-480-719-****

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

What is ESI's email address format?

ESI's email format typically follows the pattern of LastF@esi.com; this email format is used 78% of the time. Other contacts within LeadIQ's database had email formats such as FLast@esi.com and FirstLast@esi.com. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does ESI have currently?

ESI has approximately 297 employees as of October 2026. Key team members to contact include Director Of Admissions And Students Affairse At Esi International - Futures: E. E., Manager Services: M. L. N. and Deputy Director: C. B. J. For more team information and contact data, explore ESI's employee directory with LeadIQ.

ESI Email Format

Q: What is ESI's email address format?

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

Education Administration ProgramsArizona, United States201-500 Employees

ESI is a Scottsdale, Arizona-based company operating in the education administration programs sector. For more than 25 years, it has focused on addressing staffing needs for public school districts, governments, and colleges in Arizona. The company offers a return-to-work program named RetireRehire and runs SubSource, which is described as the largest substitute staffing program in the state. ESI reports a workforce of about 201 to 500 employees and has worked with more than 13,000 Arizona public retirees while actively employing over 7,000 substitute educators. The business is headquartered at 14614 North Kierland Boulevard, Scottsdale, AZ 85254.

Most common format

LastF@esi.com

Example: DoeJ@esi.com

5 patterns across 2 domains. See all formats

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Most Common Email Formats at ESI

@esi.com

@esiaz.us

Need a specific person's email?

Frequently Asked Questions

What does ESI do?

What is ESI's email address format?

How many employees does ESI have currently?

ESI Email Format

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What you can expect from LeadIQ:

Ready to create more pipeline?

Everything for prospecting,
in one platform.