Drinking Water Supply Professional Associations Serving San Marino
1 companies found
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Professional associationbased in Washington, DISTRICT OF COLUMBIA (USA)
The American Petroleum Institute (API) is the only national trade association that represents all aspects of America’s oil and natural gas industry. Our nearly 400 corporate members, from the largest major oil company to the smallest of ...
Engine Oil Licensing & Certification System (EOLCS)
API’s Engine Oil Licensing and Certification System (EOLCS) is a voluntary licensing and certification program that authorizes engine oil marketers that meet specified requirements to use the API Engine Oil Quality Marks. Launched in 1993, ...
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