Founded in New Liskeard, Northern Ontario as an engineering infrastructure practice performing survey and engineering for all types of projects in the region. (modern day photo)

One of the firm’s founding engineers oversees construction of the Weedon Dam in Sherbrooke, Quebec, an important infrastructure development for the region.

Civil engineering for the new Westbury Dam in Sherbrooke, Quebec - one of the most significant dams in the area at the time. This project establishes our legacy of excellence in structures across North America.

As our first major bridge project, this concrete and steel bridge over the Massawippi River, at the south limit of Lennoxville, Quebec, established the foundation for our continuously growing bridge practice.

Our engineering services played a vital role in development of the new pavilion Hôtel-Dieu in Sherbrooke, Quebec, expanding healthcare for the region at a critical time.

Spanning 550 feet over the Saint-François River in Sherbrooke, this new bridge stood as one of the longest reinforced concrete bridges in Quebec. Use of this material was an innovation in Canada at the time and a testament to the power of progress through design.

We provide engineering services for our first power project - a substation for Hydro-Québec. Since this time EXP has worked on thousands of projects in the energy sector.

Engineering design for a new 6-story hospital in Sherbrooke, Quebec, expanded healthcare access for the community with modern facilities for the time. More than 70 years later, these facilities are still in use.

To address significant development within Sherbrooke, Quebec, we proposed a new steel and reinforced concrete structure over the Magog River. The bridge opened in 1954.

Acting as the Owner’s Engineer, we oversaw successful completion of a new railway for the Port-Cartier Mining Company, now ArcelorMittal Mines Canada. Spanning 500 km, this freight railway in Quebec connected two mining cities with a vital port city. (stock illustration)

Built in 1965 across the St. John River in New Brunswick, the 600m bridge was part of the former Trans-Canada Highway network. Design brought an important regional connector still utilized today. (photo, 2015)

We provide structural and civil engineering for Place Belvedere. It was the first commercial center in Sherbrooke, Quebec, with a central area. This achievement also marks the beginning of a new era in Sherbrooke for the retail industry.

Structural and civil engineering for a new sports arena in the city of Sherbrooke, Quebec.

As the only crossing of the St. John River between Woodstock and the Mactaquac Hydro Dam in New Brunswick, this 380m bridge boasts a main span of 217m. The cable-stayed suspension design adds to the beauty of the surrounding landscape. (photo taken after 1967)

Built as part of the Trans-Canada Highway system, this cable-stayed bridge crosses the St. John River at Longs Creek in New Brunswick. Designed as a striking landmark, with a center span of 217m between the two towers, the structure complements the natural beauty of the surrounding landscape. (modern day photo)

Expo 67 in Montreal, Quebec, was one of the most attended World’s Fairs of the 20th century. We were involved in a number of important projects in preparation for Expo 67. These included the enlargement of Saint-Hélène Island and the creation of the new Notre-Dame Island. (photo, 2016)

EXP designed the special concrete mix constituting the main building material for this iconic tower in Toronto, Ontario. At over 550m tall, it was the highest free-standing structure at the time. The concrete mix required strength and durability for the structure, while allowing for the smooth "slip forming" method used to build the tower. Slip forming is conducted by placing concrete in a confining mold that gets progressively raised by jacking, and adjusted to create the design shape. (modern day photo)

Design services for expansion of this plant in Sherbrooke, Quebec, added a new 20 million imperial gallon tank - a significant project for the region’s clean drinking water. Decades later, EXP continued to work on this important facility.

Structural and civil engineering for a new gymnasium and sports center at the public college in the city of Sherbrooke, Quebec.

During the 1970s, our teams worked on more than a dozen municipal wastewater treatment plants, including the Rock Forest plant in Sherbrooke, Quebec. This important work enabled us to acquire a significant technological lead in Quebec and spurred our extensive water and wastewater practice, still strong today.

In the 1980s, funding was approved for a new rail line for southwestern Chicago. EXP was a key member of the team responsible for planning the Southwest Transit Project, known as the CTA Orange Line. The team planned station locations across two potential routes. The new line officially opened in 1993. (photo, 2006)

At its opening, the iconic new King Khalid International Airport in Riyadh, Saudi Arabia was one of the largest airports in the world. We provided geotechnical consulting for this significant global aviation project. (modern day photo)

Design of the new Autoroute 55 (Highway 55) in Sherbrooke, Quebec marked an important milestone in the growth of the region. Work began in 1981 and the first section linking Highway 55 to Route 216 was inaugurated in 1985.

Design of the Hugh John Flemming Forestry Centre in Fredericton, New Brunswick introduced modern new facilities fostering advancements in forest research, management and education.

Design of this iconic new structure offers spectacular views of Coaticook Gorge and the Coaticook River in Quebec. At the time of construction it was the longest suspended pedestrian bridge in the world. To this day, it is still one of the longest suspended pedestrian bridges in North America. (photo, 2021)

This unique hotel and casino is a multi-faceted hospitality and entertainment experience. Engineering design for mechanical, electrical, plumbing and fire protection helped bring this experiential facility to life. At opening, Excalibur was one of the largest hotels in the world.

Design of this new 117,000 SF facility consolidated a major airline's ground support operations at Chicago O’Hare International Airport. This award-winning project was recipient of an AIA citation of merit and engineering excellence award from the Consulting Engineers Council of Illinois (now ACEC Illinois).

This 402,000 SF facility sorted mail for all southwest suburban post offices in the “605” zip code of the Chicagoland area. Design and construction management brought a state-of-the-art facility holding a complex system of conveyors and mail handling equipment.

The 2.71-mile ATS is a driverless, fully-automated people mover operating 24/7, 365 days per year. EXP designed the entire structure and terminal connectors in a complex, restricted operational environment. This notable project was the recipient of multiple industry awards.

Complete engineering services for construction of eight aerated ponds at the Drummondville Wastewater Treatment Plant in Quebec. Commissioning of the joint wastewater treatment plant in Drummondville, Saint-Nicéphore and Saint-Charles-de-Drummond made it possible to treat 99% of urban discharges from the population served by the sewer system.

Built in 1993 with over 5,000 rooms, the MGM Grand is still one of the largest hotels in the world. EXP performed electrical engineering for this iconic Las Vegas facility. (photo, 2005)

Design of this unique bascule bridge in Sheboygan, Wisconsin, redefined movable bridge design with new innovations. With no counterweight and a very simple and unusual structural framing system, the bridge also featured state-of-the-art, computer-controlled hydraulic bridge drive and control systems.

Design of this five-span highway structure spans between Lemeque and Miscou Islands near Caraquet in New Brunswick. Three main spans are steel plate girders of 110m, 160m and 110m.

Design of this multi-use bridge in Sherbrooke, Quebec, brought one the world’s first uses of reactive powder concrete (RPC), an ultra-high strength concrete. (photo, 2010)

As an important part of Chicago's past, this iconic hotel opened in 1927 and operated as a speakeasy. EXP provided programming, architectural and engineering design and construction management for the award-winning restoration and renovation of this historic hotel.

This award-winning project relocated the northbound lanes of Lake Shore Drive away from the edges of Chicago’s lakefront - creating the new Museum Campus and Burnham Park. The resulting development is one of the most important civic projects completed on Chicago’s lakefront in the second half of the 20th Century.

Redevelopment of the Old Government House reestablished its role in the modern social life of Fredericton and New Brunswick. Built in 1828, the design team was challenged to dramatically increase the building’s functionality while retaining its historical integrity, spirit and atmosphere.

The light-filled design transformed this 700 foot-long concourse, creating a new presence within the terminal at Chicago O’Hare International Airport.

The Old Plank Road Trail (OPRT) Bridge carries a bicycle path and pedestrian walkway along an old, abandoned railway alignment across US Route 45 in Frankfort, Illinois. With a unique and visually striking design, the pedestrian bridge's defining structural feature is an 82-foot tall A-frame pylon with bestriding the highway at right angles.

Design for reconstruction of the Western/O’Hare Station replaced the existing station and platforms. The original station was built in 1895 and renovated in 1935. The new station was designed as a background building to the restored, historically significant portions of the existing station.

We provide land development services to the City of Calgary on the largest industrial park in Western Canada at the time - a 512-acre development, spurring expanded services and capabilities within our Western Canada team.

Design and construction of a new water filtration plant and water distribution system for Long Bình in Vietnam, with an initial capacity of 1,000 m3/d.

Complete engineering services as engineer-of-record for the new 162,000 SF facility, incorporating highly specialized building and equipment systems to support the airline's mission.

Architect of record for the new 4-star Sofitel Hotel in downtown Chicago designed by French design architect Jean-Paul Viguier. The 33-story, 350,000 SF high-rise hotel brought 415 rooms and an array of amenities to Chicago’s Gold Coast neighborhood.

As EXP's first wind energy project, we provided a variety of engineering services for this new wind farm in Quebec with 30 1.8 MW wind turbines.

Structural and geotechnical engineering for one of the largest single-structure garages in North America. At 4,800,000 SF, it accommodated 9,000 vehicles over eight stories with 2,000 tons of tendons.

We prioritize sustainable design, providing engineering for our new office space in San Diego. The building became the first commercial building in San Diego to achieve LEED Gold status. (photo, 2019)

Structural engineering for this new theatre supported an iconic design on the banks of the river in Hangzhou, China. The theatre included an opera house, concert hall, multifunction hall, open-air stage and culture square.

Dubbed by the local press as the "Jewel of Indianapolis," this new tower was designed as a landmark - visible from miles around and symbolizing the airport as a gateway to the city of Indianapolis.

Structural engineering for this award-winning new 750-seat church in Toronto supported sustainable design. It is the first worship space in Canada to achieve LEED Gold certification.

Structural engineering supported the signature landscape design of this unique urban beach in Toronto's Inner Harbour.

We opened the first roof testing machine of its kind in the world - performing dynamic wind uplift testing - critical for addressing climate change impacts on buildings. (photo, 2022)

This new gondola set world records for length and height. It featured the world’s longest unsupported free span of 3 km between the furthest towers and the highest distance above the Fitzsimmons valley floor at 436m. As geotechnical consultant, EXP led site investigations and design of foundation elements for this innovative structure in Whistler, British Columbia.

Elegant, dynamic and colorful lighting accents the interior of this unique theme park in Abu Dhabi.

Enhancements to and renovations of the public areas in Concourses A and C brightened and heightened the sense of space. Design incorporated new finishes, lighting, wayfinding and public art.

Landscape design created a rich urban landscape for two memorial parks in Calgary, Alberta dedicated to the three military branches and to WWII Victoria Cross winners. Achieving LEED ND Stage 2 Gold Certification - one of the first of its kind in Canada - the project incorporates low impact development and rain gardens.

Tubular steel frame design for one of only a handful of enclosed pedestrian bridges in Toronto. The bridge spans approximately 20 metres between two buildings, 4 metres in diameter and crosses about 10 metres above the road surface.

Situated on 450 acres, the Epic Systems corporate campus is a unique, sustainable campus in Verona, Wisconsin. EXP provided building engineering for several projects across the campus, including a new Learning Center and expansion, Campus 2 and a new underground auditorium. Projects were designed to be highly sustainable with features such as temperature and lighting controls and energy recovery. The campus included one of the largest geobore field installations in the world (over 4,200 wells) at the time of construction.

Soils and materials engineering, quality assurance services for construction of a 425km stretch of this 6-lane highway - one of the longest highways in the world.

Designer of record for the new Juneau Avenue Vertical Lift Bridge and rehabilitation of the Wisconsin Avenue Vertical Lift Bridge in downtown Milwaukee, Wisconsin.

Building engineering, lighting design and technology design for a one-of-a-kind 5-story, 10,000+ seat below-grade auditorium 74 feet beneath the surface of Epic's Verona, Wisconsin campus. It is one of the world’s largest sub-surface auditoriums.

Design of a new 4-span steel girder bridge with composite deck – spanning approximately 230 meters over the Saint John River and connecting the communities of Clair, New Brunswick, and Fort Kent, Maine. The intersection within Fort Kent’s Main Street marks the beginning of the 2,369-mile-long US Route 1, the longest north-south road in the US.

Wastewater treatment plant design and construction and solid waste management to support communities of Vietnam as funded by the World Bank. This project was part of the EXP water engineering program in Vietnam awarded the Honoris Genius Award, "International Impact" and "Public Favorite" Categories by the Order of Engineers of Quebec, 2020.

EXP becomes a member of ISI. EXP is a charter member of the organization and an Envision Qualified Company.

First year EXP is listed as ReNew Canada's Platinum Elite on the Top100 Projects. This list features firms working on the 100 largest public sector infrastructure projects in development in Canada.

Throughout the academic year, mentors worked alongside students to provide hands-on learning experiences, exploring the complexity of engineering, the intricacy of architecture and design concepts and how to prepare for interviews and public speaking events.

Geotechnical and pavement design for a new 4-lane highway and road upgrades to the existing TransCanada Highway - the largest transportation infrastructure project in Saskatchewan’s history.

Building science services for this innovative 10-story mass timber office building in Vancouver, British Columbia - designed as net zero, targeting LEED Platinum certification and winner of the CleanBC Net-Zero Energy-Ready Challenge. Design Architect: DIALOG. (Image courtesy of BentallGreenOak and DIALOG)

EXP signs the United Nations Global Compact, the "world's largest corporate sustainability initiative."

EXP’s roof testing laboratory in Drummondville, Quebec, becomes the first laboratory in Canada to be certified under UL’s Data Acceptance Program (DAP) for this test.

With significant growth, EXP ranks within the top 30 of ENR's Top 500 Design Firms.

EXP joins BuildingGreen - a leading organization supporting engineering, architecture and design companies in making projects greener and healthier.

First engineering firm to obtain Concilivi seal and first major company over 1,000 employees to receive this seal. This important distinction recognizes firms that prioritize work-life balance.

Design lead as part of the WestEnd Connectors DBF team. The ECWE project involves twin bored tunnels and associated structures and shafts required for a new subway extension along Eglinton Ave W in Toronto, Ontario. The extension spans 9.2km with 6 new stops and a terminal.

Transformation of this 22.5-mile corridor of I-66 has enhanced multimodal use and reliability with new express lanes, new transit routes, interchange improvements and bike/pedestrian trails. EXP provided bridge, structure and pavement design as part of this P3 project between Virginia DOT, the Department of Rail + Public Transportation and private partner, I-66 Express Mobility Partners.

EXP publishes our first ESG report - signifying our commitment to global sustainability and ensuring EXP's business practices align with our goal of making positive environmental, social and economic impacts on the world.

EXP joins Green Marine, an organization dedicated to environmental certification for North America’s maritime industry.

EXP’s Quebec offices celebrated over 20 years of their annual Centraide (United Way) Campaign. Donations for the campaign have brought in nearly $1M over more than 20 years.

EXP invested and partnered with Groupe Custeau to design and build Espace Centro’s six- and 10-story mixed use towers in Sherbrooke, Quebec. EXP moved offices to the MW Tower, steps away from where one of our predecessor companies began as a small engineering firm nearly a century ago.

EXP inaugurates its newly renovated North American headquarters in Brampton, Ontario, with modern designs by EXP's interiors team at the office entryway. EXP’s history in Brampton dates back to 1984 when our office at 1595 Clark Boulevard first opened.

For 10 years, EXP has participated in the 48-HOUR RIDE event benefitting Make-A-Wish®/ Rêves d’enfants Canada. During that time we have raised over $3M for this important cause. (photo, 2022)

Seventh consecutive year listed as ReNew Canada Platinum (formerly Platinum Elite) on the Top100 Projects list.

EXP's ESG report was reviewed and was determined to be compliant per Sustainability Accounting Standards Board (SASB) standards as administered by the International Sustainability Standards Board (ISSB) of the IFRS Foundation.

EXP provided multidisciplinary engineering for this sustainable new Tier III data center. Targeting LEED Gold certification, the 435,000 SF building has been designed for a 50 MW critical load. The facility is designed for a power utilization effectiveness (PUE) of less than 1.25, while minimizing the amount of make-up water needed to cool the data center.