Online and Classroom Certification Training for A/B and C Operators


To help prevent the spread of COVID-19 and to keep our customers safe, we are cancelling all April classes. Please take the time to reschedule for a future class or take the training online where available.  


In accordance with CDC guidelines and to keep our Petro Classroom staff safe, many of our employees are working from home.  If you call for assistance and no one answers the phone, please leave a detailed message. Messages will be returned in a timely manner. Or email us at and we will get back to you as quickly as possible.  Rest assured we will be doing everything we can to keep business as normal and assist you with your compliance training needs.  

Please revisit this page for future updates.

Thank you.

Class A/B UST Operator
Class C UST Operator
UST contractor

Class A, B & C Operator Training

Petro Classroom offers state-approved Class A/B and C Operator Certification Training. Our Class A/B Training is available in a classroom and online format and our Class C Operator training is available online. Petro Classroom’s compliance training is affordable and convenient and not only meets, but exceeds the training requirements and guidelines established by the EPA. Stay in compliance and avoid penalties by getting your Class A, B, and C Operators trained and certified today!

NEW: Petro Classroom has developed an online course to teach your Class A/B & C Operators how to conduct required inspections to comply with the new regulations. Owners/Operators will learn what equipment needs to be inspected and tested and the frequency of which these inspections and testing must occur.

Classroom Training

Our classroom training is led by experienced instructors with first-hand experience in the petroleum industry.  A/B Operators will experience an engaging format tailored for learners who prefer a classroom setting and the opportunity to interact with the instructors and other Class A/B Operators.

Online Training

Petro Classroom’s online training is for Class A/B and C Operators who prefer a stress-free, self-paced environment with NO FINAL EXAM.  Our online courses are designed with short quizzes after each subject area to increase knowledge retention.  If you fail a quiz, you simply review the content and take the quiz again.  Our no-fail certification courses can be taken 24-7 from anywhere with an internet connection.

International Code Council (ICC) Preparation Courses

Petro Classroom offers ICC preparation courses for Class A/B Operators and Tank Contractors that are required to take certification exams through the International Code Council.  Our preparation courses include everything you need to know to pass the ICC exams with confidence. 


Currently we offer ICC preparation courses for:

  • ICC Decommissioning Exam (U2)

  • ICC Class A and B UST System Operator Exams (AU and BU)


Copyright © 2019 Williams & Company Consulting, Inc. All rights reserved.


Address: 9237 Ward Parkway, Suite 220, Kansas City, MO 64114 

Phone: 844-303-6752