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Johansing Engineering and Service Specialists

Johansing Engineering and Service Specialists

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Johansing is Proud to Announce the Acquisition of Wiegmann and Rose – Thermxchanger


By acquiring Wiegmann and Rose – Thermxchanger, Johansing expands its industry leading services to more customers, with more capability than ever

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Johansing is a Quality Engineering Shop for Complete Heat Exchanger and Pressure Vessel Services


With a reputation built on 30 years of providing quality engineering and machine shop services, we at Johansing take great pride in the level of customer care and expertise we bring to every project.

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Serving the western region

A Leading Provider of Heat Exchanger, Pressure Vessel, & Skid Mounted System Services

Our team has the knowledge to handle your heat exchanger, pressure vessel, boiler, or skid mounted system engineering, design and repair. Whether we are providing the custom design of a new system, or repairing an existing system, we provide outstanding quality of work at the most competitive prices.

Heat Exchangers

Johansing provides full services for heat exchangers from engineering to fabrication and repair.

Read More > Heat Exchangers

Pressure Vessels

Now part of the UNICO family, our in-house capabilities have expanded with additional machine shop resources and expert welders, machinists and other shop technicians.

Read More > Pressure Vessels

Skid-Mounted Systems

Johansing provides complete skid mounted packages and fabricated pipe spool assemblies to meet ASME Code piping standards and NACE requirements.

Read More > Skid-Mounted Systems

Engineering, Fabrication & Repair

Our team has the knowledge to handle your boiler, design, deaerator and ASME Code steam piping or other large heavy equipment needs.

Read More > Engineering, Fabrication & Repair

Material Handling and Conveyors

Our team has the knowledge to handle your boiler, design, deaerator and ASME Code steam piping or other large heavy equipment needs.

Read More > Material Handling and Conveyors

Johansing, known for quality engineering and service, is a leading provider of complete heat exchanger services in the western region.

With a reputation built on 30 years of providing quality engineering and machine shop services, we at Johansing take great pride in the level of customer care and expertise we bring to every project. Read More >

Johansing is Hiring for All Job Levels


Johansing is a well-established provider of industrial services and support for some of America’s leading companies. Apply Today

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