Perma-Pipe Inc. is the largest manufacturer of pre-insulated piping systems for District Heating and Cooling in North America, and a Global Leader operating six (6) strategically placed manufacturing facilities worldwide. Our full product line also includes pipe-in-pipe containment systems for environmental control of hazardous fluids, subsea oil & gas pipelines and equipment, above and below ground insulated piping systems for industrial applications, liquid leak detection and location for our piping systems and stand-alone applications such as computer rooms and data centers.

Company details

7720, North Lehigh Avenue , Niles , 60714 Illinois USA

More Office Locations Locations Served

Business Type:
Industry Type:
Water and Wastewater - Pipes and Piping
Market Focus:
Globally (various continents)

In 1961 PERMA-PIPE was started as a division of the Midwesco Company in Chicago to manufacture steam and condensate piping systems for the District Heating Industry. Since that time, PERMA-PIPE has become the largest manufacturer of specialty piping systems for secondary containment and district heating and cooling in the United States, and a Global Leader operating six (6) manufacturing plants worldwide serving not only District Heating and Cooling, but also Oil & Gas and Industrial & Environmental applications. PERMA-PIPE became a public company in January of 1994 as a subsidiary of MFRI, Inc. and is traded on the NASDAQ National Market under the symbol 'MFRI'.  

From its start in 1909 through 1993, Ricwil Inc.manufactured district heating and cooling systems and heat traced piping systems as the brand-name leader in the preinsulated piping industry. In 1994, PERMA-PIPE acquired Ricwil. The acquisition merged years of design expertise and proven products to satisfy the expanding needs of PERMA-PIPE's customers.

The industrial environmental marketplace is served by offering process piping, secondary contained piping, and leak detection/location systems through PERMA-PIPE/RICWIL industrial and environmental product Group. Process and secondary containment piping are important products for chemical plants, jet fuel systems, nuclear facilities and the food and beverage industries. We can also design our systems with a broad range of heat tracing options that include steam, fluid and electric. PERMA-PIPE's 'Skin Effect' heat tracing system provides a cost effective solution for long runs of pipe that require consistent heat monitoring.

PERMALERT leak detection can be placed inside any of the secondary-contained piping products to detect and locate leaks in our piping systems. Other leak detection applications such as sub-floors in clean rooms, computer rooms, data centers and semiconductor facilities benefit from this cable based technology for leak location in sensitive areas.

PERMA-PIPE and PERMALERT products are sold to a broad customer base through a network of local representatives and dealerships worldwide. The Western Hemisphere is served by our Corporate Office in Niles, Illinois and our manufacturing plants in North America. The rest of the world is served by our Perma Pipe Middle East Office and our manufacturing plants in the Middle East and India.

PERMA-PIPE is proud to be the market leader in the piping industry with our commitment to quality and development of new products to meet the increasing needs of our customers.

Our Quality Management Systems have been certified to conform to the strict requirements of ISO 9001:2008.

Perma-Pipe has established a reputation for high quality standards in its products and services.  Our management and people are committed to quality improvement and giving strict attention to the specific requirements of customers.

Perma-Pipe treats each project uniquely.  We have the capability to tailor our quality efforts to meet the needs of the most exacting quality control requirements for in-process and finished product testing, inspection, and documentation.  We have successfully met the quality requirements of large piping system projects in the most challenging applications:

Nuclear waste containment

  • Cryogenic liquids
  • Deep water petroleum lines
  • Superfund contaminated sites
  • Superheated steam supplies
  • Beer and food production
  • Pharmaceutical systems
  • Chemical waste containment
  • Corrosive liquid containment

Quality Management & Organization
Perma-Pipe maintains its quality assurance system through an effective organization of trained personnel who maintain the quality standards required of each contract and project.  The quality organization starts at the top with the leadership of Perma-Pipe’s President, who is firmly committed to high quality standards and to maintaining our leadership as the most capable pre-engineered/pre-insulated piping system manufacturer in the world.