Promart Industrial

Built Tough. Built Right. Since 1985.

Promart Industrial is a structural steel fabricator and industrial contractor in Sarnia, Ontario, serving clients across North America for 40 years. Family-built and now run by the third generation of the Lajoie family.

WHAT WE DO - Structural steel and miscellaneous metals fabrication (up to 1,000 tons/month) - In-house steel detailing (SDS/2, model-to-machine CNC) - Industrial coatings, shop and field, plus mobile sandblasting - Modular and skid assembly - Field installation and steel erection - Millwrighting, machinery moving, and production line relocations - Construction services and 4D-planned scheduling

CERTIFIED AND AUDITED CWB W47.1 / CSA W59 welding, AISC Certified Fabricator, CSA N299.3-16 nuclear QA, SSPC QP3 / AISC 420 coatings, ISO 9001 / 14001 / 45001, COR accredited, NACE Level 2 inspection on staff.

SECTORS Petrochemical, nuclear, data centers, battery and EV, automotive, food and beverage, and federal infrastructure.

INDIGENOUS PARTNERSHIP Through the Three Fires Promart Joint Venture, a 51% Indigenous-owned partnership with Three Fires Group (CCIB registered), we deliver certified fabrication that qualifies for federal Indigenous procurement.

A DIGITAL EDGE We detail in 3D, review drawing revisions with AI, plan erection and plant moves in 4D against the schedule, and run field crews on digital task cards. The technology never replaces the trades. It makes sure the information never lets them down.

80,000 sq ft fabrication. 25,000 sq ft climate-controlled coating shop. 11-acre laydown yard.

www.promart.ca