Contractors in Ontario

Multi-disciplinary construction company offering Building Services, Mechanical, Electrical, High Voltage, and Civil services.

Multiseal is a specialty construction contractor based in Toronto, Ontario, providing services such as thermal and moisture protection, asphalt services, parking structure restoration, and waterproofing.

Multiwide Mechanical is a mechanical construction company specializing in plumbing, HVAC, gas, fire protection, and sheet metal services for low-rise residential to high-rise commercial and industrial developments.

A World Class Supply Chain Management Provider. At North America's Transportation Service (NATS), we go the distance in streamlining the distribution process and the reduction of costs. Our services span the entire supply chain from supplier to user. With access of over 20,000 pieces of equipment located throughout the world, we can definitely facilitate your transportation needs. We specialize in all modes of transportation which includes international and transborder service, as well as domestic service within Canada and the US. Our professional handling of your cargo utilizes the resources of our network trained professionals. This ensures "value added service" for all your transportation needs. For years we have developed the attitude to consistently meet or exceed the expectations of our valued customers. Our specialized divisions within our group offer comprehensive and integrated services. We recognize every customer has very unique business requirements. Based on a partnership of trust, we will work as an "extension of your business" to help achieve your goals. NATS can perform a comprehensive benchmark analysis of your supply chain practices to identify opportunities for additional savings.

NBM Engineering provides engineering design, project management, coordination, inspection, testing, and surveying services.

NEED A HAND provides handyman, renovation, and project services for residential and commercial customers. They focus on small to medium-sized jobs, including electrical, carpentry, plumbing, and general maintenance.

NIACON Limited is a construction company specializing in commercial, industrial, and institutional projects, as well as historical renovations and high-rise hotels.

Nicolini Construction Ltd. has been a leader in providing General Contracting in Construction and Construction Management Services to Institutional, Commercial and Industrial Clients in the Ottawa-Carleton Region Since 1976.

NorthDrilling is an environmental and geotechnical drilling company located in Northern Ontario serving engineers, consultants, planning firms, exploration and mining companies, municipalities, and provincial and federal governments.

Provides engineering and environmental consulting services to private, commercial, industrial and governmental clients across Ontario and Manitoba.

A full service General Contracting Building Construction Company specializing in complete pre-engineered steel building design and construction.

NPLH Drilling is a Canadian contract drilling company based in Timmins, Ontario. They offer a full-service approach to address all stages of exploration.

NRF Contracting is an industrial contractor specializing in machine foundations, press pits, and concrete construction. They offer complete project management and collaborate with all trades, engineers, and equipment vendors.

Nabolsy Contracting Incorporation (NCI) is a construction company that operates in the Greater Toronto and Hamilton Area (GTHA) and Southwestern Ontario. NCI provides construction services in the sewer and watermain, excavation and road construction sectors. NCI aims to deliver projects within clients’ budgets and deadlines.

Nadir Electric Ltd. is a national electrical contractor based in Markham, Ontario, specializing in lighting solutions for the commercial, retail, and industrial sectors since 1966. They offer lighting retrofits, controls, electrical energy management, and audits.

Nadro Marine Services Limited provides innovative and cost effective marine transportation solutions. Specializing in special project support services, marine construction and ship docking, the company has expanded its services to include; towing, ice breaking, salvage, chartering, dive boat and survey services.

Napier-Reid is a leading water and wastewater treatment solutions company with an established reputation for design innovation and manufacturing excellence. Since 1950, we have dedicated our experience and professional knowledge to the design and manufacture of water and wastewater systems that meet or exceed the requirements of both industries and municipalities.

Nasio Group specializes in exterior improvements and site work throughout Toronto and the GTA.

Naticon General Contracting is a trusted partner in commercial and industrial construction, delivering high-quality projects with precision and efficiency. From renovations to complex builds, they provide expert project management and exceptional craftsmanship to meet the unique needs of their clients. They are committed to safety, innovation, and excellence in every project they undertake.

A design/build company excelling in Pre-Engineered Building Solutions, with creative tactics for all types of building applications. They offer turnkey construction solutions for steel and fabric pre-engineered buildings.

National Capital Contracting Incorporated (NCCI) specializes in concrete construction and restoration services in Ottawa and Eastern Ontario. They handle projects from concrete pumping and crack injection to commercial services like concrete restoration, traffic topping, parking garages, structural shoring, and bridge resurfacing.