IWR Employee Directory

Q: What is IWR known for?

IWR was founded in 1895. IWR operates in the Construction industry.

Q: How many employees does IWR have currently?

IWR has approximately 501 employees.

Q: Who are IWR's key employees and leadership?

IWR's key employees include: President: T. S..

ConstructionUnited States501-1000 Employees

At IWR, we believe that building enclosures should be a source of pride -- engineered to ensure they are timeless, long-lasting and protected from the elements. Delivering on these promises is the cornerstone of our uncompromising commitment to craftsmanship. We demand perfection and make certain that nothing is left to chance because in our world, "good enough" never is. This philosophy is anchored in our 130-year legacy of deep construction expertise.

Find IWR employees' phone numbers or email addresses

IWR Global Highlights

North America
43

United States Of America
43

Europe
2

Netherlands
2

IWR's Leadership

T. S.
President
Mobile Phone
Email
E. Y.
Vice President
Mobile Phone
Email
J. M.
Director
Mobile Phone
Email
M. S.
Director Of Preconstruction
Mobile Phone
Email
R. H.
Director Of Preconstruction
Mobile Phone
Email
S. H.
Director Of Estimating
Mobile Phone
Email
J. S.
Director Of Project Management
Mobile Phone
Email
B. M.
Preconstruction Manager
Mobile Phone
Email

IWR Employee Metrics

100%

50%

2025

2024

Program & Project Management
Accounting
Administrative
Business Development
Civil Engineering & Construction
Other
Engineering
Sales

Contact profiles from IWR

Name

Title

Contact Info

Location

Last Update

G. A.
Journeyman Glazier
Mobile Phone
Email
Jul 15, 2025
J. M.
Civil Engineer
Mobile Phone
Email
United StatesVirginia
Oct 17, 2025
M. T.
Metal Fabrication
Mobile Phone
Email
United StatesMissouri
Aug 03, 2025
J. D.
Financieel-Administratief Assistent
Mobile Phone
Email
NetherlandsOverijssel
Oct 24, 2025
L. H.
Truck Driver
Mobile Phone
Email
Oct 22, 2024
N. W.
Project Engineer
Mobile Phone
Email
United StatesMissouri
Oct 17, 2024
D. S.
Mobile Phone
Email
UNITED STATES
Jan 17, 2024

Frequently Asked Questions

What is IWR known for?

IWR was founded in 1895 operates in the Construction industry. The company's main headquarters is located in 1054 Central Industrial Drive, Saint Louis, Missouri 63110, US. Explore IWR's company overview page for more information.

What is IWR's most common email format?

IWR employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more IWR email formats with LeadIQ.

How many employees does IWR have currently?

IWR has approximately 501 employees as of October 2025. These team members are located across 2 continents, including North AmericaEurope.

Who are IWR's key employees and leadership?

As of October 2025, IWR's key employees include:

President: T. S.
Vice President: E. Y.
Director: J. M.
Director Of Preconstruction: M. S.
Director Of Preconstruction: R. H.

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