A standard that certifies that an individual possesses a defined level of expertise in the field of lubricating grease. Certification indicates that NLGI recognizes the individual as a grease expert. Certification is awarded after an individual passes a two-hour exam that consists of 120 questions about lubrication fundamentals and grease types, selection, manufacturing, applications, maintenance, testing, etc.
This certification is offered during the NLGI Annual Meeting (once per year).
- The NLGI 90th Annual Meeting will be held in San Diego, CA, USA, at the Hotel del Coronado, Jun 4 – 7, 2023.
- Please view our Annual Meeting registration/pricing information for more details.
- Recommended Study Materials
- Renews every 3 years
- Renewal fee $150 USD
- Renewal criteria
Certification is an indicator that the individual possesses a high level of expertise in the field of grease. NLGI recognizes CLGS certified individuals as grease industry experts. CLGS certification will serve as a useful tool for employers to screen potential employees and for OEMs and end users to ensure that consultants and suppliers are qualified to make grease related recommendations.
Click Here to See All CLGS Holders.