How to use Certifiers in a sentence

Among other things, farmers who want to be accredited by the USDA must submit to monitoring by an independent panel of certifiers who are themselves periodically re-evaluated by the Department of Agriculture.

Pure Rest, for example, uses materials which are certified organic and are certified by at least 20 different organic certifiers.

It is a family run company out of California, however it does not disclose any third party certifiers.