About Us

SIS-TAG® and TAG-TITE® are registered trademarks of Process Systems Engineering LLC, a full service engineering consulting firm specializing in industrial automation, process control, process safety and safety instrumented systems.   PSE offers Professional Engineering consulting services including Process Automation and Process Safety Engineering for the Chemical, Pharmaceutical, Petrochem and Oil & Gas industries.  Process Automation Engineering including control system design, bus communications and hazardous location solutions.  Process Safety Engineering including OSHA PSM compliance, PHA, LOPA and Safety Instrumented Systems.  SIS lifecycle management including verification, validation and functional safety assessment and auditing.  Contact us at pse@prosyseng.com or visit our website at www.prosyseng.com