Our Company

Since 1960, DeJean Companies have primarily been General Contractors offering construction, maintenance, and design expertise in the industrial market. DeJean Companies have developed proven experience in all facets of construction and design to produce engineering, procurement, construction, and maintenance with unparalleled safe, guaranteed quality, with self-performed emphasis of on-time performance from world-class employees in areas including:

• Civil
• Structural
• Mechanical
• Equipment
• Architectural

DeJean provides all services in industries including:

• Chemical
• Refining
• Manufacturing
• Pipeline
• Marine
• Natural Gas
• Power (including Nuclear)


DeJean is authorized to use the ASME "R" stamp symbol in accordance with the applicable rules of the ASME Boiler and Pressure Vessel Code.