Insights

Diverse Service Portfolio Day & Zimmermann offers a broad range of construction, engineering, staffing, operations, maintenance, and security solutions, indicating strong potential for clients seeking integrated project management and comprehensive service providers.

Industry Recognition The company's recent awards and recognitions, including top honors in trade construction and solar contractor listings, showcase its market leadership and reputation, making it an attractive partner for large-scale infrastructure and renewable energy projects.

Leadership Stability Recent executive promotions, including the appointment of new division presidents, highlight a strategic focus on leadership stability and growth, which can facilitate long-term serviced partnerships and business development opportunities.

Global Presence With over 150 worldwide locations and a significant revenue footprint, Day & Zimmermann presents opportunities for multinational clients seeking consistent quality service and support across different regions.

Sustainability & Innovation Recognition on prestigious lists like the Top Solar Contractors and International Design Firms indicates a commitment to sustainable and innovative solutions, appealing to clients prioritizing green and forward-looking project collaborations.

Day & Zimmermann Tech Stack

Day & Zimmermann uses 8 technology products and services including HubSpot Content Hub, HubSpot, LinkedIn, and more. Explore Day & Zimmermann's tech stack below.

  • HubSpot Content Hub
    Content Management System
  • HubSpot
    Marketing Automation
  • LinkedIn
    Online Community Software
  • HSTS
    Security
  • Google Tag Manager
    Tag Management
  • YouTube
    Video Players
  • X-Content-Type-Options
    Web & Portal Technology
  • HTTP/3
    Web & Portal Technology

Media & News

Day & Zimmermann's Email Address Formats

Day & Zimmermann uses at least 1 format(s):
Day & Zimmermann Email FormatsExamplePercentage
First.Last@dayzim.comJohn.Doe@dayzim.com
88%
Last.First@dayzim.comDoe.John@dayzim.com
6%
Fir.Last@dayzim.comJoh.Doe@dayzim.com
4%
First.L@dayzim.comJohn.D@dayzim.com
2%

Frequently Asked Questions

Where is Day & Zimmermann's headquarters located?

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Day & Zimmermann's main headquarters is located at 1500 Spring Garden Street Philadelphia, Pennsylvania 19130 United States. The company has employees across 6 continents, including North AmericaEuropeAsia.

What is Day & Zimmermann's phone number?

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You can contact Day & Zimmermann'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 Day & Zimmermann's official website and social media links?

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Day & Zimmermann's official website is dayzim.com and has social profiles on LinkedIn.

How much revenue does Day & Zimmermann generate?

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As of February 2026, Day & Zimmermann's annual revenue is estimated to be $5B.

What is Day & Zimmermann's NAICS code?

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Day & Zimmermann's NAICS code is 23 - Construction.

How many employees does Day & Zimmermann have currently?

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As of February 2026, Day & Zimmermann has approximately 4.1K employees across 6 continents, including North AmericaEuropeAsia. Key team members include Ceo: H. Y.Chief Executive Officer: K. B.Chief Marketing Officer: M. R.. Explore Day & Zimmermann's employee directory with LeadIQ.

What industry does Day & Zimmermann belong to?

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Day & Zimmermann operates in the Construction industry.

What technology does Day & Zimmermann use?

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Day & Zimmermann's tech stack includes HubSpot Content HubHubSpotLinkedInHSTSGoogle Tag ManagerYouTubeX-Content-Type-OptionsHTTP/3.

What is Day & Zimmermann's email format?

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Day & Zimmermann's email format typically follows the pattern of First.Last@dayzim.com. Find more Day & Zimmermann email formats with LeadIQ.

When was Day & Zimmermann founded?

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Day & Zimmermann was founded in 1901.

Day & Zimmermann

ConstructionPennsylvania, United States1001-5000 Employees

When you’ve been around for more than a century, you know a thing or two!  At Day & Zimmermann®, we take our lifetime of experience and make things better!  Our 43,000+ employees help bring big ideas to life every day.  We’re pushing the boundaries of innovation in construction & engineering, operations & maintenance, staffing, and security & defense.  And that’s not all.  Did we mention that we have 150+ worldwide locations with $2.6 billion USD in annual revenue?  Come join our on purpose – We put people to work, we protect American freedoms, and we help our customers power and improve the world.  We do what we say.® http://www.dayzim.com

Section iconCompany Overview

Headquarters
1500 Spring Garden Street Philadelphia, Pennsylvania 19130 United States
Phone number
Website
dayzim.com
NAICS Code
23 - Construction
Founded
1901
Employees
1001-5000

Section iconFunding & Financials

  • $1B$10B

    Day & Zimmermann's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    Day & Zimmermann's revenue is estimated to be in the range of $1B$10B

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