Welcome to the
National Association of Stationary Operating Engineers®:
The Gold Standard of Stationary Licensure

Benefiting Society in the Advancement of Professionalism in Operating Engineers Licenses through Independent Assessment by Competency Examinations.

National Association of Stationary Operating Engineers licenseholders are considered to be in the top-quintile of engineers or operators, and our licenseholders must submit continuing educational requirements annually. Our National Engineers organization provides individuals with stationary engineer license service by independent assessment through Agencies. A stationary engineer is a very-broad description of land-based operating engineers meaning not a marine operating engineer. The assessment is by examination or reciprocity. National has testing centers throughout America and parts of Canada.

Individual stationary engineer license service by independent assessment is for individuals who are responsible for the operation and maintenance of either a steam or hot water boiler(s), steam turbine(s), electrical power generation, chillers, gas turbine(s) or combined cycle combustion turbine. The certification can be further identified by individual duties or a combination of individual duties as follows:

  • Management/Supervisory Certification - Responsible for entire plant
  • Supervisory Certification - Responsible for individual shift
  • Non-supervisory Certification - Group Leader
  • Non-supervisory Certification - Shift Engineer

Mandatory Notice: Applicants must have CE hours attached to their license application.

Attached is a PDF of typical organizational structures when applying a license.

To ensure continued development of licensure programs, National Association of Stationary Engineers® has a Commissioners of Examiners consisting of Examiners and License-Holders at Large.

Nationals Official License Certificate

National is also recognized and required by Fortune 500 Companies, Utilities, as well as military installations, and jurisdictions. In addition, National has license-holders in the following jurisdictions: Alaska, Alabama, California, Chicago, Colorado, Connecticut, Dearborn, Detroit, Erie, Florida, Georgia, Grand Rapids, Idaho, Illinois, Indiana, Iowa, Kentucky, Los Angeles, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, Mississippi, Nebraska, New Hampshire, New Jersey, New Mexico, New York, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, Texas, Utah, Vermont, Virginia, Wisconsin, West Virginia, Washington, Washington DC, Wisconsin, United States Coast Guard (Marine Engineer), US Navy, Ontario Canada, Alberta Canada.

National is approved by the Board of Regents of Ohio to issue a valid occupational license.

Consider a National Association of Stationary Operating Engineer® (NATIONAL) Licensing to advance your professional status today!


National Association of Stationary Operating Engineers License     National Association of Stationary Operating Engineers ®, A Stationary Engineer License Service™ a Registered Mark
NASOE™ aka NASE and
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