OCONNOR & SENECAL INC. (also known as OSI) is the exclusive New England representative of process instrumentation and measurement technology manufacturers.

Process Instrumentation, Measurement Technology

OSI's Process Instrumentation solutions in New England includes Asset Management, Flow, Liquid Analysis, Level, Pressure, Temperature, Particle Sizing, Sight Glasses, Load Cells, IS Barriers, Purge, Moisture Detection, Burners, Scrubbers, Blowers, Pumps, Gas Detection and Signal Conditioning.

Process Instrumentation, Measurement Technology Manufacturers

The manufacturers represented by OCONNOR & SENECAL in New England are at the top of the "Who's Who" of measurement technology including Endress + Hauser, Pepperl + Fuchs, JM Canty, Vanton, Wedgewood, Dataforth and others. Our manufacturers are known for providing application solutions through communication, innovation and service.

Process Instrumentation Technical Support

OCONNOR & SENECAL services what it sells, providing technical application assistance to our clients throughout the six New England states. OSI prides itself on its dedication to supporting our customers in every phase of a project.