This list includes some of the more heavily used Standard Issuing Organizations (also called Standard Issuing Bodies,) which are groups that develop, evaluate, and establish standards. Clicking on the names of the organizations will take you to their catalog, where you can search by title, number, or topic for standards.

CU Boulder Libraries subscribe to these first four standard issuing organizations. You may be able to find the full text of standards from these organizations at the links below.

There are additional common standards issuing organizations.  Please know that there are hundreds of standards issuing organizations; this is not a complete list.