What departments does Simpson Unlimited have?

Simpson Unlimited has employees across 3 departments including Human Resources, Accounting, Education.

What is the largest department at Simpson Unlimited?

The largest department at Simpson Unlimited is Accounting with 2 employees.

Where are Simpson Unlimited employees located globally?

Simpson Unlimited has employees across 1 continents and 1 countries including United States Of America.

How has Simpson Unlimited's team size changed over time?

Simpson Unlimited's team has grown from approximately 16 to 18 employees based on available data.

Simpson Unlimited Employee Directory

Q: Who are Simpson Unlimited's key employees and leadership?

Simpson Unlimited's key employees include: President: D. O..

ConstructionVirginia, United States11-50 Employees

Simpson Unlimited is a mid-sized construction contractor that specializes in the building envelope and operates from Manassas, Virginia. Founded in 1992, the company has completed more than 16 million square feet of commercial roofing and has served over two thousand customers across Virginia, the District of Columbia, and Maryland. The firm's project scope includes data centers, warehouses, retail centers, and high-rise offices, reflecting its breadth of exterior envelope capabilities.

As a full building-envelope specialist, Simpson Unlimited performs tear-offs, overlays and new roofs, in addition to masonry restoration, caulking and sealant replacement, concrete repair, and waterproofing. The company holds manufacturer certifications that support long-term warranties and provides around-the-clock emergency response with on-site investigation, mitigation and repair, accompanied by a detailed report and a one-year workmanship warranty.

Simpson Unlimited Global Highlights

North America
32

United States Of America
32

Simpson Unlimited's Leadership

D. O.
President
Mobile Phone
Email
R. B.
Director-Human Resources
Mobile Phone
Email
T. S.
Controller
Mobile Phone
Email
M. B.
Division Manager
Mobile Phone
Email
J. M.
Accountant
Mobile Phone
Email
S. W.
Estimator
Mobile Phone
Email
S. M.
Superintendent
Mobile Phone
Email
J. R.
Labor To Mecanic
Mobile Phone
Email

Simpson Unlimited Employee Metrics

100%

50%

0%

2026

2025

Accounting
Program & Project Management
Administrative
Business
Human Resources
Other

Contact profiles from Simpson Unlimited

Name

Title

Contact

Location

Last Update

D. O.
President
Mobile Phone
Email
Oct 18, 2024
R. B.
Director-Human Resources
Mobile Phone
Email
Oct 23, 2024
T. S.
Controller
Mobile Phone
Email
Feb 24, 2025
M. B.
Division Manager
Mobile Phone
Email
May 31, 2026
J. M.
Accountant
Mobile Phone
Email
Oct 17, 2024
S. W.
Estimator
Mobile Phone
Email
Oct 18, 2024
S. M.
Superintendent
Mobile Phone
Email
Oct 21, 2024
J. R.
Labor To Mecanic
Mobile Phone
Email
Dec 23, 2025

Frequently Asked Questions

What is Simpson Unlimited known for?

Simpson Unlimited was founded in 1992 operates in the Construction industry; you can contact the main corporate office by phone at

+1-571-223-****

. Explore Simpson Unlimited's company overview page for more information.

What is Simpson Unlimited's most common email format?

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

How many employees does Simpson Unlimited have currently?

Simpson Unlimited has approximately 27 employees as of July 2026. These team members are located across 1 continents, including North America.

Who are Simpson Unlimited's key employees and leadership?

As of July 2026, Simpson Unlimited's key employees include:

President: D. O.
Director-Human Resources: R. B.
Controller: T. S.
Division Manager: M. B.
Accountant: J. M.

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Simpson Unlimited Employee Directory

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