Insights

Expansion Opportunity Keystone Construction is expanding facilities in Chesterfield, suggesting a potential need for as-built design, retrofit, and modernized construction services for athletic facilities and related sports infrastructure.

Sports Facility Focus Recent ground breaking on a new athletic facility indicates ongoing demand in sports venues; target partnerships for design/build, turf, seating, and facility optimization services.

Mid-market Scale With 11-50 employees and revenue in the 10M-25M range, Keystone may seek scalable subcontracting or preferred vendor relationships to augment project capacity and win larger, multi-site bids.

Tech & Modernization Current tech stack includes Cloudflare, Microsoft 365, and web presence; opportunities exist to offer BIM, project management software integration, and digital collaboration enhancements to improve project delivery.

Regional Growth Located in Chesterfield, Missouri, Keystone serves office, retail, industrial, sports facilities, and medical sectors; opportunities may arise from local market expansion and public/private sector construction programs in the St. Louis area.

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Keystone Construction Company Tech Stack

Keystone Construction Company uses 8 technology products and services including html5media, Cloudflare, Cloudflare DNS, and more. Explore Keystone Construction Company's tech stack below.

html5media
Audio, Video, Graphics
Cloudflare
Content Management System
Cloudflare DNS
Domain Name Services
Microsoft 365
Email
Lightbox
Javascript Libraries
Apache HTTP Server
Web Servers
X-UA-Compatible
Web Tools And Plugins
Facebook
Widgets

Media & News

Keystone Stl expands facilities to Chesterfield, Missouri, United States, Northern America, Americas.
In late 2024, CarShield and Keystone Construction Company broke ground on a new athletic facility in Chesterfield with a goal to transform youth sports in the region.
Dec 10, 2024 | www.stlmag.com

Keystone Construction Company's Email Address Formats

Keystone Construction Company uses at least 1 format(s):

Keystone Construction Company Email Formats	Example	Percentage
F.Last@keystone-stl.com	J.Doe@keystone-stl.com	54%
First.Last@keystone-stl.com	John.Doe@keystone-stl.com	21%
Last@keystone-stl.com	Doe@keystone-stl.com	17%
First@keystone-stl.com	John@keystone-stl.com	8%

Frequently Asked Questions

What is Keystone Construction Company's phone number?

You can contact Keystone Construction Company's main corporate office by phone at

+1-317-636-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Keystone Construction Company's official website and social media links?

Keystone Construction Company's official website is keystone-stl.com and has social profiles on LinkedIn.

How much revenue does Keystone Construction Company generate?

As of August 2026, Keystone Construction Company's annual revenue is estimated to be $10M - $25M.

What is Keystone Construction Company's NAICS code?

Keystone Construction Company's NAICS code is 23 - Construction.

How many employees does Keystone Construction Company have currently?

As of August 2026, Keystone Construction Company has approximately 49 employees across 3 continents, including North AmericaAsiaEurope. Key team members include Company Secretary: E. M.Shift Mental Mechanic: M. H.Proprietor: P. S.. Explore Keystone Construction Company's employee directory with LeadIQ.

What industry does Keystone Construction Company belong to?

Keystone Construction Company operates in the Construction industry.

What technology does Keystone Construction Company use?

Keystone Construction Company's tech stack includes html5mediaCloudflareCloudflare DNSMicrosoft 365LightboxApache HTTP ServerX-UA-CompatibleFacebook.

What is Keystone Construction Company's email format?

Keystone Construction Company's email format typically follows the pattern of F.Last@keystone-stl.com. Find more Keystone Construction Company email formats with LeadIQ.

When was Keystone Construction Company founded?

Keystone Construction Company was founded in 1987.

Keystone Construction Company

Q: What technology does Keystone Construction Company use?

Keystone Construction Company's tech stack includes Microsoft 365, Apache HTTP Server, reCAPTCHA, Hammer.js, Microsoft Office.

Q: What is Keystone Construction Company's NAICS code?

Keystone Construction Company's NAICS code is 23 (Construction).

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.