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About Us


Petro Classroom has been providing compliance training since 2007. At Petro Classroom, we know that compliance requires proper employee training and evaluation. Whether you are an Underground Storage Tank (UST) Operator (Class A, B or C) or a UST Contractor, our training content is targeted to your specific needs and knowledge level. All of our training courses were developed from our extensive experience in the petroleum industry, and deep understanding of industry standards and compliance issues.

Our Mission

We have made it our goal to teach our clients what they need to know to do their job successfully, safely and in compliance with state and federal regulations.

What Sets Us Apart

Petro Classroom’s training not only meets, but exceeds the training requirements and guidelines established by the Environmental Protection Agency (EPA). Our content developers and instructors care about the success of your business, the safety of your employees, communities and the environment.

Our Companies

Petro Classroom is a division of Williams & Company Consulting, Inc., a management consulting firm that was established in 1929.


Williams & Company Consulting, Inc. began offering Environmental Management services in 1989 and became the first third-party administrator in the nation to develop UST compliance software.


Williams & Company Consulting has extensive experience with both Federal and State environmental agencies. Currently, Williams & Company Consulting, Inc. provides the overall administration of program services for the Missouri Petroleum Storage Tank Insurance Fund (PSTIF) and the Illinois Drycleaner Environmental Response Trust Fund. Williams & Company Consulting, Inc. provided the same services for the Iowa Underground Storage Tank Program from 1989 to 2000, at which time it moved to a private insurer.

Williams & Company Consulting also provides comprehensive Spill Prevention, Control, and Countermeasure (SPCC) compliance services for a variety of facilities from farms to bulk oil distributors. Our knowledgeable compliance team has prepared hundreds of SPCC Plans throughout the U.S. and provided clients with the expertise necessary to meet their regulatory compliance requirements.

The Information Management Services Division of Williams & Company, known as Williams & Company Communications, Inc., has been providing businesses with expert IT consulting services, system administration and custom application development since 1982.

Williams & Company’s experience is extensive and covers a wide range of services. To find out more about our services, visit our other websites:

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