Irwin Industries
ConstructionCalifornia, United States201-500 Employees
Irwin Industries provides industrial construction and maintenance services to the energy sector, supporting onshore and offshore oil and gas, petrochemical, refining, power generation, and utility-scale renewable projects. Headquartered in Long Beach, California, the firm traces its history to 1922 and operates across the United States with coast-to-coast reach. Working as both a general contractor and a subcontractor, it performs civil, concrete, mechanical, piping, structural, and electrical/instrumentation installations. Its client base comprises operators and developers in heavy industry, seeking integrated construction and ongoing maintenance for complex energy infrastructures.