How many email patterns does Day & Zimmermann use?

Day & Zimmermann uses 20 known email patterns.

What domain does Day & Zimmermann use for work emails?

Day & Zimmermann uses dayzim.com for work email addresses.

Most Common Email Formats at Day & Zimmermann

The most accurate and popular Day & Zimmermann's email format is First.Last@dayzim.com (ex. John.Doe@dayzim.com). Day & Zimmermann also uses Last.First@dayzim.com (ex. Doe.John@dayzim.com) as email structures. Day & Zimmermann uses up to 4 different email patterns.

Day & Zimmermann Email Formats	Example	Percentage
First.Last@dayzim.com	John.Doe@dayzim.com	88%
Last.First@dayzim.com	Doe.John@dayzim.com	6%
Fir.Last@dayzim.com	Joh.Doe@dayzim.com	4%
First.L@dayzim.com	John.D@dayzim.com	2%

Day & Zimmermann Email Formats

Example

Percentage

First.Last@dayzim.com

John.Doe@dayzim.com

88%

Last.First@dayzim.com

Doe.John@dayzim.com

Fir.Last@dayzim.com

Joh.Doe@dayzim.com

First.L@dayzim.com

John.D@dayzim.com

Frequently Asked Questions

What does Day & Zimmermann do?

Day & Zimmermann was founded in 1901. The company's main headquarters is located in 1500 Spring Garden Street Philadelphia, Pennsylvania 19130 United Statesoperates in the Construction industry, along with similar companies like HDRParsons CorporationTetra Tech. You can visit dayzim.comcontact Day & Zimmermann's headquarters by phone at

+1-215-299-****

. Explore Day & Zimmermann's company overview page for more information.

What is Day & Zimmermann's email address format?

Day & Zimmermann's email format typically follows the pattern of First.Last@dayzim.com; this email format is used 88% of the time. Other contacts within LeadIQ's database had email formats such as Last.First@dayzim.comFir.Last@dayzim.com. Looking for more contact data? Unlock accurate emails and phone numbers from millions of profiles verified in real-time.

How many employees does Day & Zimmermann have currently?

Day & Zimmermann has approximately 4.2K employees as of June 2026. Key team members to contact include Ceo: H. Y.Chief Executive Officer: K. B.Chief Marketing Officer: M. R.. For more team information and contact data, explore Day & Zimmermann's employee directory with LeadIQ.

Day & Zimmermann Email Format

ConstructionPennsylvania, United States1001-5000 Employees

Day & Zimmermann is a long-established construction and engineering firm headquartered in Philadelphia, Pennsylvania. It offers a broad range of services, including construction, engineering, operations and maintenance, staffing, and security and defense, serving a global client base of corporations and governments. The company operates across 900+ workplace locations, reflecting its extensive geographic footprint. 

The organization traces its history to more than a century as a family-owned business. In 2026, Day & Zimmermann announced a partnership with Deep Fission to support the construction of a nuclear reactor in Parsons, illustrating engagement in energy and defense initiatives. Day & Zimmermann was recognized in Engineering News-Record's Top 500 Design Firms list for 2026, ranking No. 348.

Most Common Email Formats at Day & Zimmermann

Frequently Asked Questions

What does Day & Zimmermann do?

What is Day & Zimmermann's email address format?

How many employees does Day & Zimmermann have currently?

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Day & Zimmermann Email Format

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Most Common Email Formats at Day & Zimmermann

Frequently Asked Questions

What does Day & Zimmermann do?

What is Day & Zimmermann's email address format?

How many employees does Day & Zimmermann have currently?

Everything for prospecting,in one platform.

What you can expect from LeadIQ:

Day & Zimmermann Email Format

Verify Day & Zimmermann email addresses

Ready to create more pipeline?

Ready to create more pipeline?

Everything for prospecting,
in one platform.