Over 35 Years Serving Your Community
Founded in 1989, Marine Contractors Inc. (MCI) has grown from a heavy-civil and marine-focused company into a leading force in construction and infrastructure across Newfoundland and Labrador. With a modern fleet of equipment, a highly skilled workforce, and a proven record of delivering complex projects safely and efficiently, MCI specializes in roadwork, water and sewer, heavy civil construction, dredging, and large-scale infrastructure development.
Driven by innovation and a commitment to excellence, MCI continues to build the critical infrastructure that connects communities, supports economic growth, and shapes the future of the region—one project at a time.
Building Your Community
Marine Group of Companies
Marine Contractors Inc. (MCI) is proud to be the flagship company of the Marine Group of Companies, a family of businesses committed to building stronger, safer, and more connected communities across Newfoundland and Labrador.
Since our founding in 1989, MCI has grown from a heavy-civil, marine-focused company into a diversified leader in construction, infrastructure, and real estate development. Our success comes from our people, our modern equipment fleet, and a shared vision across the Marine Group to deliver a community focused approached aligned with quality, safety, and innovation.
At MCI, we specialize in delivering complex infrastructure and heavy civil projects with precision and reliability. From major roadworks and water and sewer construction to industrial and commercial development, dredging, and shoreline protection, we have built a reputation for exceeding client expectations while maintaining the highest safety and environmental standards. Our integrated approach, cutting-edge equipment, and skilled workforce allow us to tackle projects of any size and complexity, ensuring lasting value for the communities we serve.
As the anchor company within the Marine Group, MCI works alongside our sister companies—including Humber Ready Mix, Corner Brook Fabrication & Steel, Exploits Procurement Ltd., and others—to provide end-to-end solutions for projects of any scale. From supplying aggregates and concrete to delivering engineering, procurement, and construction services, our integrated approach ensures clients benefit from seamless coordination, reliable resources, and exceptional results.
Together, the Marine Group of Companies represents one of the region’s largest private employers and a trusted partner in community development, shaping the infrastructure that connects people, businesses, and opportunities.