ES Constant Company - Industrial Steam Specialists

The Portland Office of ES Constant Company

ES Constant Company is considered to be the steam and condensate expert in Oregon, Washington, Idaho and Montana.
(pictured is the Portland office building)

Company Profile

E.S. Constant Company has been a stocking Manufacturer’s Representative in Portland, Oregon for over sixty years. Specializing in engineered products, our goals are to provide fast, friendly and knowledgeable customer service.


E.S. Constant Company is dedicated to the delivery of superior quality and performance in our products and services, down to the last detail. We provide accurate and practical responses to questions relating to design, application, and field work. As a manufacturer’s representative for over 60 years, we can provide you with:

  • engineered information
  • technical data
  • service suggestions (by telephone if you wish or in person)
  • best products, services, and solutions available

E.S. Constant believes in providing quick and knowledgeable solutions to its customers. Our team of experienced sales staff, technical sales representatives, and service department helps us meet this goal. All E.S. Constant sales personnel are factory trained and are available to assist our customers with all aspects of product selection, application, and system solutions.

E.S. Constant Company serves Oregon, Washington, Parts of Montana, and Idaho from our main office, as well as two offices in the Washington area.


E.S. Constant is committed to providing not only the best products, but also the best service to our customers. Our sales staff is factory trained and capable of selecting the best products for system solutions.

What often may seem like a problem with a product may be a system problem. E.S. Constant can also provide customers with system assessment services. Our experienced field salesman is well qualified to look at a whole system and offer appropriate recommendations.

Portland Office

TEL 503-255-7660
FAX 503-255-7914
sales [at] esconstant [dot] com

Kent Office

TEL 253-529-1572
FAX 253-529-1572
EMAIL richard [at] esconstant [dot] com

Lake Tapps Office

TEL 253-862-0788
FAX 253-862-0799
EMAIL rick [at] esconstant [dot] com