The API Composite List is a real-time directory of 4340 companies in 78
countries supplying the oil and natural gas industry with products and services to help you get the job done right.
It includes licensing, registration and product details of the organizations participating in the various API
Certification Programs. This website provides access to information on API Monogram™ Licensees, ISO 9001 Registered Organizations,
API Spec Q1® Registered Organizations, ISO/TS 29001 Registered Organizations, ISO 14001 Registered Organizations,
OHSAS 18001 Registered Organizations, Perforator Design Registrations, and API Certified Training Providers.
This website also highlights the newest organizations participating in the API Certification Programs
. The easiest way to find the
information you need is to use the Search
or Advanced Search
functions. By using keywords or our drop-down menu features you'll be able to access the information quickly and easily.
For a real-time directory of certified inspectors, visit the ICP Directory.
For a real-time directory of Engine Oil Licensees, visit the EOLCS Licensing Directory.
Click here to download a PDF version of the January 2014 API Composite List (932 pages, 25.5 megabytes).
If you wish to purchase a printed copy of the API Composite List, please contact API’s primary distributor, IHS, at 1-800-854-7179 or visit them on the web at global.ihs.com.