Insights

Established Legacy G. A. Johnson & Son's 142-year history and seventh-generation family ownership demonstrate stability and deep industry expertise, making them a trusted partner for clients seeking reliable construction services across diverse projects.

Diverse Projects With experience in commercial, retail, healthcare, educational, residential, and community facilities, the company offers comprehensive construction solutions, opening opportunities to serve clients in multiple sectors and project types.

Regional Presence Operating across six states, G. A. Johnson & Son’s broad geographical coverage allows for regional project wins and increased market penetration, especially among clients seeking local expertise with national reach.

Tech Stack & Innovation Utilizing modern web technologies and digital tools positions the company as forward-thinking, potentially appealing to clients prioritizing innovation and technological integration in their construction partners.

Growth Potential With revenues between 1 million and 10 million USD and an established reputation, there’s significant potential for expansion, especially by targeting larger projects or strategic partnerships with similarly sized companies seeking reliable subcontractors.

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G.A. Johnson & Son Tech Stack

G.A. Johnson & Son uses 8 technology products and services including WordPress, Font Awesome, Google Maps, and more. Explore G.A. Johnson & Son's tech stack below.

WordPress
Content Management System
Font Awesome
Font Scripts
Google Maps
Maps
PHP
Programming Languages
ZURB Foundation
UI Frameworks
Genesis Framework
Web Platform Extensions
Apache
Web Servers
Apache HTTP Server
Web Servers

Media & News

G.A. Johnson & Son's Email Address Formats

G.A. Johnson & Son uses at least 1 format(s):

G.A. Johnson & Son Email Formats	Example	Percentage
FLast@gajohnson.com	JDoe@gajohnson.com	50%
FLast@gajohnson.com	JDoe@gajohnson.com	50%

Frequently Asked Questions

Where is G.A. Johnson & Son's headquarters located?

G.A. Johnson & Son's main headquarters is located at 828 Foster Street Evanston, Illinois 60201 United States. The company has employees across 1 continents, including North America.

What is G.A. Johnson & Son's phone number?

You can contact G.A. Johnson & Son's main corporate office by phone at

+1-847-869-****

. 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 G.A. Johnson & Son's official website and social media links?

G.A. Johnson & Son's official website is gajohnson.com and has social profiles on LinkedIn.

How much revenue does G.A. Johnson & Son generate?

As of April 2026, G.A. Johnson & Son's annual revenue is estimated to be $7M.

What is G.A. Johnson & Son's SIC code NAICS code?

G.A. Johnson & Son's SIC code is 1521 - General Contractors-Single-Family Houses NAICS code is 23 - Construction.

How many employees does G.A. Johnson & Son have currently?

As of April 2026, G.A. Johnson & Son has approximately 20 employees across 1 continents, including North America. Key team members include : J. G.. Explore G.A. Johnson & Son's employee directory with LeadIQ.

What industry does G.A. Johnson & Son belong to?

G.A. Johnson & Son operates in the Construction industry.

What technology does G.A. Johnson & Son use?

G.A. Johnson & Son's tech stack includes WordPressFont AwesomeGoogle MapsPHPZURB FoundationGenesis FrameworkApacheApache HTTP Server.

What is G.A. Johnson & Son's email format?

G.A. Johnson & Son's email format typically follows the pattern of FLast@gajohnson.com. Find more G.A. Johnson & Son email formats with LeadIQ.

When was G.A. Johnson & Son founded?

G.A. Johnson & Son was founded in 1874.

G.A. Johnson & Son

Q: What is G.A. Johnson & Son's official website and social media links?

G.A. Johnson & Son's official website is gajohnson.com. G.A. Johnson & Son has social profiles on LinkedIn.

Q: How many employees does G.A. Johnson & Son have currently?

G.A. Johnson & Son has approximately 20 employees.

Q: What technology does G.A. Johnson & Son use?

G.A. Johnson & Son's tech stack includes PHP, MySQL, RSS, Google Maps, jQuery.

ConstructionIllinois, United States11-50 Employees

G. A. Johnson & Son is a 7th generation general contracting and construction management firm. The company has been in operation by the same family since its founding 142 years ago and is continuously recognized as one of Chicago's premier full-service construction companies. 

Operating in six states, G.A. Johnson & Son builds commercial office buildings, corporate interiors, retail establishments, food and drug stores, banking facilities, warehouse and distribution centers, health and educational facilities, community centers, residential estates and more. The firm offers a wide array of delivery methods including design/build, general construction, construction management services, as well as pre-construction services such as value engineering, budgeting and constructability reviews.