Engineering & Automation Specialists

Mangan Inc. is a nationally-recognized Specialty Engineering, Automation, Integration, & Power Company providing a full-range of services for the Terminal, Pipeline, Midstream, Refining, Gas & Oil, Renewable, Chemicals and Life Sciences Industries, including Automation, Design, Engineering, Control System Integration, Safety Instrumented Systems, Software Solutions, SCADA, Safety Lifecycle Management, Commissioning, Compliance, SmartPlant Instrumentation/INtools, Measurements, Data Historian, Terminal Management and Project and Construction Management.  Established in Long Beach, CA in 1990, the Mangan Family of Services now includes Mangan Software Solutions, Mangan Renewables, Mangan Biopharm, Horizon Consultants, and Barry D. Payne & Associates, Inc.  Our nearly 400 employee-owners now work from ten office locations in California, Colorado, Wyoming, Georgia, Texas, New Hampshire, and North Carolina.