Top Industrial Companies in Montreal (48)
Founded in 1906, Guillevin is a leading Canadian distributor of electrical, lighting, datacom, automation, and renewable energy products. The company serves residential, commercial, industrial, and institutional sectors across Canada through a network of over 120 locally managed branches, providing technical solutions, expertise, and a wide range of professional electrical and industrial equipment.
General Dynamics Ordnance and Tactical Systems – Canada Inc. (GD-OTS Canada) develops and manufactures ammunition for armed forces and law-enforcement agencies. As a prime contractor and ammunition-systems integrator, it supports Canada’s defence capability through production, technical expertise, research, design, development, product improvement, and testing. Headquartered in Repentigny, Québec, the company produces conventional and training ammunition and serves as Canada’s national...
Founded in 1975, Airex Industries inc. is a innovative business that designs and develops flexible and efficient state-of-the-art solutions for industrial and commercial applications. Airborne contaminant reduction ranks highly among our areas of expertise. Over the years, our company has become a well known authority in air decontamination, especially in the design and development of dust capture, transport and filtration...
Groupe Canam is a leading North American multinational company specializing in the design and manufacture of customized steel structural components and integrated solutions for the construction industry. Serving commercial, industrial, institutional, and multi-residential sectors, the company provides expert services in engineering, design, and fabrication to simplify the construction process and reduce overall costs, while maintaining a strong commitment to sustainable...
John Brooks Company is an innovative company that combines fresh ideas and over 85 years of solving fluid-handling challenges for our customers, and we love doing it. We are a team of Spraying, Pumping, Filtering, Valve, and Systems application experts who solve any and all municipal and industrial application challenges across Canada. We are thankful to have had relationships with many...
Alcoa is a global industry leader in the production of bauxite, alumina, and aluminum, operating across the upstream value chain with a focus on sustainable manufacturing.
The Voith Group is a global technology company. With its broad portfolio of systems, products, services and digital applications, Voith sets standards in the markets of energy, paper, raw materials and transport. Founded in 1867, Voith today has around 22,000 employees, sales of € 5.2 billion and locations in over 60 countries worldwide and thus is one of the larger...
McGill University is a public research university with extensive research activities across various engineering disciplines, including civil and materials engineering, focusing on areas like construction materials and advanced manufacturing.
Kanadevia Inova is a global greentech leader specializing in Waste to Energy (WtE) and Renewable Gas (RG). It delivers turnkey systems that transform waste into valuable resources through cutting-edge technology, focusing on the energy transition and circular economy to create a future free of wasted waste.
Bird Construction is a Canadian construction company that delivers civil infrastructure and building projects for communities across the country.
Oldcastle BuildingEnvelope (OBE) is a vertically integrated North American manufacturer, fabricator and distributor of architectural glass, glazing systems and related hardware. It supplies value-added glazing-focused products and services for interior and exterior building applications, including curtain walls, storefronts and entrances, windows, shower enclosures, railings and glazing hardware. Its team works with architects, glaziers, contractors and owners to address design challenges...
Smardt is a global pioneer and leader in the manufacturing of high-efficiency, oil-free centrifugal chillers. The company specializes in energy-efficient cooling solutions for diverse sectors, including data centers, pharmaceutical, and manufacturing, utilizing magnetic bearing technology to significantly reduce power consumption and maintenance costs while contributing to global environmental sustainability.
Opscura protects and connects industrial networks with easy-to-use innovations that are safe to use deep within operational infrastructure. Validated by global partners such as Schneider Electric, Opscura reduces operational risks by protecting vulnerable legacy industrial assets and data, eliminating deep-level attacker footholds, and enriching threat visibility data. Brownfield and greenfield global customers rely on Opscura for OT cloaking, isolation, and...
Canadian National Railway Co. engages in rail and related transportation business. Its services include rail, intermodal, trucking, supply chain services, business development, and maps & network. Its offers their services in automotive, coal, fertilizer, food & beverages, forest products, dimensional loads, grain, metals & minerals, and petroleum & chemicals industries.
Solenis is a leading global producer of specialty chemicals focused on delivering sustainable solutions for water-intensive industries, including consumer, industrial, institutional, food and beverage, and pool and spa water markets. Owned by Platinum Equity, the company’s product portfolio includes a broad array of water treatment chemistries, process aids, functional additives, and cleaners and disinfectants, as well as state-of-the-art monitoring and...
Solenis's Top Stability & Growth Strengths
Strong Market Position & Advantage: Industry accolades (US Best Managed Company Gold, EcoVadis Platinum) and repeated identification as a “global leader” underscore a durable competitive position in water, hygiene, and specialty chemicals. A broad installed base with operations across 160+ countries and 78 manufacturing facilities reinforces competitive scale.
Market Expansion: Aggressive acquisitions (Diversey 2023, NCH 2025) and facility/R&D investments expanded geographic reach and diversified offerings into institutional hygiene, middle‑market water treatment, and mining flocculants. Headcount growth to roughly 23,000 and new capacity (e.g., Suffolk, VA) point to continued scaling.
Resilient & Sustainable Growth: Adjusted EBITDA increased despite a modest Q3 2023 revenue decline, supported by cost synergies and portfolio rationalization. A high share of revenue linked to customer sustainability initiatives and documented customer value via ValueAdvantage indicate durable, sustainability‑led growth.
Agropur is a leading North American dairy cooperative that processes milk into a wide range of products, including cheese, butter, and cream, for the retail, food service, and industrial sectors.
Veolia, a global leader in environmental services, works every day to build environmental security for the benefit of public health and the competitiveness of industries and regions. With 215,000 employees across five continents, working closely with local communities, and thanks to its cutting-edge technologies, the group cleans up pollution, reduces carbon emissions, and regenerates resources through concrete solutions that combine...
Veolia's Top Stability & Growth Strengths
Profitability: Profitability is rising, with EBITDA up 6.3% in 2025 alongside a 70 bps margin expansion and further EBITDA and margin gains in the first half of 2026. Guidance was raised to at least +8% current net income growth for 2026, signaling continued momentum.
Market Expansion: Market expansion is evident in North America, where the 2026 Clean Earth acquisition doubled the U.S. hazardous‑waste business and lifted pro forma U.S. revenue to about $6.3B with targeted synergies. Additional moves such as the Icetec acquisition and a new Boston HQ reinforce the scale‑up under the GreenUp strategy.
Strong Market Position & Advantage: Strong market position is reinforced by repeated No. 1 rankings on ENR’s Top 200 Environmental Firms and characterizations as the world’s largest environmental‑services company. The post‑Suez combination and faster‑growing boosters in water technologies and hazardous waste further consolidate this advantage.
Energy Performances Services (EPS) Inc. (“EPS”) has worked exclusively in the industrial energy efficiency and energy management sector in Canada and internationally for 28 years. Working with large energy using organizations, EPS specializes in establishing continuous improvement systems that drive energy performance improvement and reduce greenhouse gas emissions. EPS delivers energy management programs through energy utilities such as Strategic Energy...
Maya HTT develops engineering software and provides engineering solutions across computer-aided engineering (CAE), computer-aided design (CAD), computer-aided manufacturing (CAM), and product lifecycle management (PLM). Its offerings include proprietary products, Siemens solutions, expert services, and industrial AI. The company helps organizations address complex engineering, manufacturing, and operational challenges across the product lifecycle, serving sectors such as aerospace, electronics, transportation, machinery, and...





























