Where are Keystone Construction Company employees located globally?

Keystone Construction Company has employees across 3 continents and 3 countries including Qatar, United Kingdom Of Great Britain And Northern Ireland, United States Of America.

How has Keystone Construction Company's team size changed over time?

Keystone Construction Company's team has grown from approximately 13 to 16 employees based on available data.

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Keystone Construction Company Employee Directory

ConstructionMissouri, United States11-50 Employees

Keystone Construction Company is a privately owned commercial design/build contractor based in the St. Louis region, with operations in Chesterfield, Missouri. Founded in 1987 by Bill and John Hardie, the firm delivers integrated design and construction services across office, retail, industrial, sports facilities, and medical sectors. It serves as a single-source partner for clients seeking turnkey project delivery. Keystone targets property owners and developers in its core markets, addressing the need for coordinated design and construction from concept through completion. In late 2024, the company expanded its facilities in Chesterfield and, in collaboration with CarShield, broke ground on a new athletic facility intended to transform youth sports in the region.

Keystone Construction Company Global Highlights

North America
18

United States Of America
18

Asia
2

Qatar
2

Europe
2

United Kingdom Of Great Britain And Northern Ireland
2

Keystone Construction Company's Leadership

E. M.
Company Secretary
Mobile Phone
Email
M. H.
Shift Mental Mechanic
Mobile Phone
Email
P. S.
Proprietor
Mobile Phone
Email

Keystone Construction Company Employee Metrics

100%

50%

2026

2025

Accounting
Arts & Design
Business
Civil Engineering & Construction
Community & Social Services
Other
Program & Project Management

Contact profiles from Keystone Construction Company

Name

Title

Contact Info

Location

Last Update

E. M.
Company Secretary
Mobile Phone
Email
UNITED KINGDOMNorth Yorkshire
Oct 31, 2023
M. H.
Shift Mental Mechanic
Mobile Phone
Email
Oct 22, 2024
P. S.
Proprietor
Mobile Phone
Email
UNITED KINGDOMNorth Yorkshire
Oct 31, 2023

Frequently Asked Questions

What is Keystone Construction Company known for?

Keystone Construction Company was founded in 1987 operates in the Construction industry; you can contact the main corporate office by phone at

+1-317-636-****

. Explore Keystone Construction Company's company overview page for more information.

What is Keystone Construction Company's most common email format?

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

How many employees does Keystone Construction Company have currently?

Keystone Construction Company has approximately 49 employees as of August 2026. These team members are located across 3 continents, including North AmericaAsiaEurope.

Who are Keystone Construction Company's key employees and leadership?

As of August 2026, Keystone Construction Company's key employees include:

Company Secretary: E. M.
Shift Mental Mechanic: M. H.
Proprietor: P. S.

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Keystone Construction Company Employee Directory

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