Keystone Construction Company Employee Directory

Q: What is Keystone Construction Company known for?

Keystone Construction Company was founded in 1987. Keystone Construction Company operates in the Construction industry.

ConstructionMissouri, United States11-50 Employees

Keystone Construction Company is a St. Louis based Commercial Design/Build Contractor founded in 1987 by Bill and John Hardie. Our company's areas of expertise are in the Office, Retail, Industrial, Sports Facilities and Medical design/build sectors. A privately owned company located in Chesterfield, Missouri. View our website at www.keystone-stl.com

Find Keystone Construction Company employees' phone numbers or email addresses

Keystone Construction Company Global Highlights

North America
19

United States Of America
19

Asia
3

Qatar
3

Europe
2

United Kingdom Of Great Britain And Northern Ireland
2

Keystone Construction Company's Leadership

M. K.
Vice President Of Construction
Mobile Phone
Email
B. H.
President And Founder
Mobile Phone
Email
S. E.
Vice President, Field Operations And Estimating
Mobile Phone
Email
C. M.
Director Of Finance & Management
Mobile Phone
Email
L. R.
Assistant Project Manager / Superintendent
Mobile Phone
Email
T. S.
Project Manager
Mobile Phone
Email
D. M.
Senior Project Manager
Mobile Phone
Email
K. S.
Cheif Operating Officer
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
D. G.
Laborer
Mobile Phone
Email
United StatesKentucky
Oct 23, 2025

Frequently Asked Questions

What is Keystone Construction Company known for?

Keystone Construction Company was founded in 1987 operates in the Construction industry. The company's main headquarters is located in 673 Spirit Valley West Drive Chesterfield, Missouri 63005 United States; 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 43 employees as of February 2026. These team members are located across 3 continents, including North AmericaAsiaEurope.

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

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

Vice President Of Construction: M. K.
President And Founder: B. H.
Vice President, Field Operations And Estimating: S. E.
Director Of Finance & Management: C. M.
Assistant Project Manager / Superintendent: L. R.

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