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Business Details
50+ Years
experience
Trusted Construction Services
Established in 1955 by K.C. Irving and Hans W. Klohn, we have evolved into a leading group of companies specializing in construction across Canada and the Eastern United States. Our expertise spans precast concrete, ready mix concrete, aggregates, structural steel, reinforcing steel, and comprehensive construction management services. We serve industrial, institutional, and commercial clients with a steadfast commitment to safety, quality, schedule adherence, and cost efficiency.

Our teams deliver complex projects with precision, combining technical expertise with decades of experience in the construction industry. As a trusted division of the Pre-Con, we maintain our legacy of excellence while continuously innovating to meet evolving industry standards and client expectations.
Services
Precast Concrete Ready Mix Concrete Structural Steel Fabrication Construction Management Reinforcing Steel
Details
  • Year established: 1955
Highlights and features
  • We have over 65 years of experience in construction management since 1955.
  • We specialize in complex, technical projects across multiple sectors.
  • We offer end-to-end construction solutions from initial planning to final execution.
  • Our team has extensive expertise in precast concrete and structural steel.
  • We maintain a strong commitment to safety, quality, and schedule adherence.
Services
Precast Concrete
We specialize in manufacturing and installing high-quality precast concrete components for various construction projects. Our precast solutions offer superior durability, faster installation times, and consistent quality control compared to traditional cast-in-place methods. Clients benefit from our expertise in delivering customized precast elements that meet specific project requirements while maintaining strict quality standards.
Structural Steel Fabrication
We provide comprehensive structural steel fabrication and erection services for commercial and industrial buildings. Our team works with precision-engineered steel components that offer exceptional strength-to-weight ratios and construction efficiency. Clients benefit from our expertise in creating durable, code-compliant steel structures that form the backbone of complex construction projects across various sectors.
Construction Management
We offer full-service construction management from project initiation through completion. Our approach focuses on coordinating all aspects of construction while maintaining strict control over safety, quality, schedule, and budget. Clients benefit from our comprehensive oversight that ensures seamless execution of complex building projects with minimal disruptions and maximum efficiency.
Ready Mix Concrete
We supply high-performance ready mix concrete for diverse construction applications. Our concrete products are formulated to meet specific strength requirements and environmental conditions while ensuring workability and durability. Clients benefit from our reliable supply chain and quality control processes that guarantee consistent material performance across their construction projects.
Reinforcing Steel
We provide reinforcing steel (rebar) solutions that enhance structural integrity in concrete construction. Our rebar services include supply, cutting, bending, and placement according to engineering specifications. Clients benefit from our expertise in creating reinforced concrete systems that meet seismic, load-bearing, and durability requirements for various types of infrastructure projects.
People
K.C. Irving
Founder
Co-founder of Pre-Con in 1955 who helped establish the company's reputation for quality construction services across Canada.
Hans W. Klohn
Founder
Co-founder with K.C. Irving who played a crucial role in developing the company's technical expertise and construction management capabilities.
Questions
What types of construction projects does OSCO specialize in?
We specialize in industrial, institutional, and commercial construction projects utilizing precast concrete, structural steel, and traditional construction methods.
In which geographic areas does OSCO operate?
We operate throughout Canada and the Eastern United States, delivering construction solutions to diverse clients across these regions.
What construction materials does OSCO work with?
We work with precast concrete, ready mix concrete, structural steel, and reinforcing steel for various construction applications.
What is the history of OSCO Construction Group?
Founded in 1955 by K.C. Irving and Hans W. Klohn, we've grown into a respected construction management group with decades of industry experience.
What are OSCO's core project priorities?
We maintain strict focus on safety, quality assurance, schedule adherence, and cost efficiency throughout all construction projects.