Quality Assurance : Certifications
Northwest Pipe Company is dedicated to excel in meeting the requirements of our customers. We are committed to continually improving all products and services as well as maintaining our position as a quality leader in our field.
Certifications, Authorizations, Registrations, and Licenses.
Our commitment to quality is recognized by the following organizations:
 ABS Quality Evaluations ISO Registrar |
 American Petroleum Institute (API) 5L Adelanto - License No. API 5L - 0477 Atchison - License No. API 5L - 0019 Parkersburg - License No. API 5L - 0525 Portland - License No. API 5L - 0363 |
 National Sanitary Foundation (NSF) |
 Underwriters Laboratories & Factory Mutual Research (UL and FM) |
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