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Day & Zimmermann Employee Directory

ConstructionPennsylvania, United States1001-5000 Employees

Day & Zimmermann has about 4.3K employees, nearly all of them in North America. Program & Project Management and Civil Engineering & Construction make up 38% of the profiles with a known department. Day & Zimmermann's workforce spans 32 departments. Day & Zimmermann's workforce fell 13% between July 2025 and July 2026.

Find Day & Zimmermann employees' phone numbers or email addresses

Day & Zimmermann Global Highlights

Location
Employees

North America
2.9K

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  • United States Of America
    2.9K
  • Canada
    18
  • Mexico
    1

Europe
20

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  • United Kingdom Of Great Britain And Northern Ireland
    12
  • Germany
    4
  • Austria
    2
  • Ireland
    1
  • Poland
    1

Asia
7

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  • Indonesia
    2
  • Japan
    1
  • Kuwait
    1
  • Bangladesh
    1
  • Philippines
    1
  • India
    1

Africa
4

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  • Nigeria
    2
  • Kenya
    1
  • Libya
    1

Oceania
3

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  • Australia
    3

South America
3

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  • Argentina
    2
  • Peru
    1

Day & Zimmermann's Leadership

  • Chief Executive Officer at Day & Zimmermann
    K. B.
    Chief Executive Officer
    Mobile Phone
  • Vice President Staffing & Recruiting at Day & Zimmermann
    S. H.
    Vice President Staffing & Recruiting
    Mobile Phone
  • Vice President Human Resources at Day & Zimmermann
    L. M.
    Vice President Human Resources
    Mobile Phone
  • Vice President Project Controls Ecm at Day & Zimmermann
    A. P.
    Vice President Project Controls Ecm
    Mobile Phone
  • Vice President Information Technology at Day & Zimmermann
    E. T.
    Vice President Information Technology
    Mobile Phone
  • Vice President For Government Relations at Day & Zimmermann
    H. L.
    Vice President For Government Relations
    Mobile Phone
  • Vice President - Staffing And Recruiting at Day & Zimmermann
    J. H.
    Vice President - Staffing And Recruiting
    Mobile Phone
  • Vice President Fossil Projects And Construction at Day & Zimmermann
    J. D.
    Vice President Fossil Projects And Construction
    Mobile Phone

Day & Zimmermann Employee Metrics

100%
50%
0%
2026
2025
  • Program & Project Management
  • Engineering
  • Operations
  • Human Resources
  • Arts & Design
  • Other
  • Analytics
  • Civil Engineering & Construction
  • Administrative
  • Manufacturing
  • Recruiting
  • Healthcare Services

Program & Project Management is the largest department at 21% of profiles with a known department, up from 20% in July 2025, followed by Civil Engineering & Construction (17%, up from 4%) and Administrative (14%, up from 3%).

Contact profiles from Day & Zimmermann

Name
Title
Contact
Location
Last Update
  • President, Government Services at Day & Zimmermann
    D. M.
    President, Government Services
    Mobile Phone
    Sep 24, 2026
  • President Munitons And Government at Day & Zimmermann
    A. Y.
    President Munitons And Government
    Mobile Phone
    Oct 23, 2024
  • Founder And Owner at Day & Zimmermann
    A. S.
    Founder And Owner
    Mobile Phone
    Oct 23, 2024
  • President at Day & Zimmermann
    D. R.
    President
    Mobile Phone
    Oct 22, 2024
  • President at Day & Zimmermann
    D. M.
    President
    Mobile Phone
    Oct 22, 2024
  • Owner at Day & Zimmermann
    D. V.
    Owner
    Mobile Phone
    Oct 22, 2024
  • President Government Services at Day & Zimmermann
    D. M.
    President Government Services
    Mobile Phone
    Oct 23, 2024
  • Owner at Day & Zimmermann
    H. P.
    Owner
    Mobile Phone
    Oct 23, 2024
  • Chairman Chief Executive Officer at Day & Zimmermann
    H. Y.
    Chairman Chief Executive Officer
    Mobile Phone
    Jul 25, 2026
  • Business Owner at Day & Zimmermann
    J. G.
    Business Owner
    Mobile Phone
    Oct 22, 2024

Frequently Asked Questions

What are the largest departments at Day & Zimmermann?

Minus sign iconPlus sign iconProgram & Project Management is the largest department at 21% of profiles with a known department, up from 20% in July 2025, followed by Civil Engineering & Construction (17%, up from 4%) and Administrative (14%, up from 3%). Day & Zimmermann's workforce spans 32 departments.

How has Day & Zimmermann's workforce changed over the past year?

Minus sign iconPlus sign iconDay & Zimmermann's workforce fell 13% between July 2025 and July 2026. Program & Project Management's share of profiles with a known department rose from 20% to 21%.

How many employees does Day & Zimmermann have currently?

Minus sign iconPlus sign iconDay & Zimmermann has approximately 4.3K employees as of October 2026. These team members are located across 6 continents, including North America, Europe and Asia.

Who are Day & Zimmermann's key employees and leadership?

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As of October 2026, Day & Zimmermann's key employees include:

  • Chief Executive Officer: K. B.
  • Vice President Staffing & Recruiting: S. H.
  • Vice President Human Resources: L. M.
  • Vice President Project Controls Ecm: A. P.
  • Vice President Information Technology: E. T.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

What is Day & Zimmermann's most common email format?

Minus sign iconPlus sign iconDay & Zimmermann employees' email format typically follows the pattern of First.Last@dayzim.com. Trying to find reliable and up-to-date employee contact data? Find more Day & Zimmermann email formats with LeadIQ.

What is Day & Zimmermann known for?

Minus sign iconPlus sign iconDay & Zimmermann was founded in 1901 and operates in the Construction industry. You can contact Day & Zimmermann's main corporate office by phone at
+1-215-299-****
. Explore Day & Zimmermann's company overview page for more information.

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