At J-AAR, we are your partners in progress

Dedicated to exceeding your standards.


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Heavy Construction, Site Servicing, and Concrete in Southwestern Ontario

More than a Vertically Integrated Construction Company, We’re here to exceed your standards and build a better future

J-AAR stands as a distinguished Construction and Material Group, recognized for its unwavering dedication to superior service and unwavering commitment to excellence. Rooted in the fundamental values of honesty, integrity, and the well-being of our employees, we have established ourselves as frontrunners in the industry.


Within our construction divisions, we specialize in an array of sectors, spanning civil infrastructure to structural concrete forming. Collaborating closely with owners, developers, and consultants, we adeptly translate visions into tangible realities, ensuring projects are executed with precision and expertise.


Moreover, as one of Ontario's premier material suppliers, J-AAR offers an extensive assortment of products, including aggregates, asphalt, and concrete, meticulously curated to address diverse requirements. Our comprehensive range guarantees solutions tailored to meet the unique needs of every project.


3003 Page Street,

London, ON

N5V 4J1

190 Turnbull Court, Unit 1A

Cambridge, ON

N1T 1J2

a yellow excavator is digging in a pile of dirt for excavating jobs

Solutions for Project Success

Services We Provide

J-AAR has achieved its success by establishing an unparalleled record of flexibility and dependable service. Our three focuses are Civil Infrastructure Group, Structural Group and Materials Group. This vertical integration in the construction industry allows us to exceed our customers' expectations and ensure we are providing the best possible price, schedule and coordination on a project. 

ICI/Residential Division

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Mid/High Rise Division

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The driving force behind everything we do. 

Built upon the pillars of quality, people-first approach, and safety, these guiding principles form the foundation of J-AAR's core values.


Quality

In every facet of our business, we pursue excellence, whether it's in the materials we use, the craftsmanship we employ, or the satisfaction of our customers.

People

People-first approach remains at the forefront, prioritizing the well-being of our team, clients, and communities throughout our operations.

Safety

More than a policy; it's our commitment to each member of our team, our clients, and our communities, ensuring their safety every step of the way.

Discover Our Mission, Vision, and Core Values

Our team milestones and leadership

Our long-time team members and dedicated leadership have been the backbone of our success. Their commitment, expertise, and passion have shaped our company's journey and contributed to our growth. Meet the people who make it all happen.


a group of construction workers are posing for a picture in front of a bulldozer .
Two construction workers are working on a pole in the dirt.
the dutch brothers logo has a lion on it

Preferred Partner


Dutch Brothers Ready Mix has the largest mixer fleet and wet-batch concrete plant outside the GTA and specializes in supporting our partner companies and key industry partners on large scale residential, commercial and civil infrastructure projects


Every Dutch Brothers Ready-Mix driver embodies efficiency, safe mixer operation, and unwavering reliability in serving our clients, guaranteed.

Visit Dutch Brothers Website
a logo for orange rock developments with an orange maple leaf

Preferred Partner


Orange Rock Developments provides residential, commercial and industrial leasing, design build and development in the London and surrounding area.

Visit Orange Rock Developments Website

LATEST NEWS


By Nick Wilton June 16, 2026
Celebrating Excellence in Design and Philanthropy
By Nick Wilton March 2, 2026
Branded construction equipment, a specially created children's book, and community fundraising efforts unite to support families staying close to their children during medical treatment throughout Southwestern Ontario.
By Nick Wilton November 24, 2025
J-AAR was proud to take part in the Level Up Career Fair, hosted at the J-AAR Expo Centre in London. The event welcomed students, job seekers, and community members interested in exploring careers across the construction industry. As a leading all-around construction company, we showcased the wide range of opportunities available within our teams from field operations and project management to equipment operation, and skilled trades. Representatives from J-AAR connected with attendees throughout the day, answering questions about training, career development, and what it’s like to work with a company committed to building strong communities and high-quality projects. The Level Up Career Fair continues to be an important event for promoting skilled trades and construction careers across Southwestern Ontario. Hosting the fair at the J-AAR Expo Centre reaffirmed the company’s dedication to supporting local talent and strengthening the future of the construction workforce. Those who missed the event can learn more about career opportunities at j-aar.com/careers.
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