Commercial Endorsements

Earn Your Oklahoma Endorsements

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Heavy Metal Training Institute (HMTI) can help you expand your driving opportunities and increase your earning potential with federally approved CDL endorsement training. Whether you want to haul hazardous materials, operate tank vehicles, or pull double/triple trailers, our Commercial Endorsements program gives you the knowledge you need to pass the required written exams.

About the Commercial Endorsements Program

HMTI’s Commercial Endorsements (CE) program is a two‑day classroom course designed to prepare students for the written exams required to add specialized endorsements to their CDL.

This program provides the ELDT‑required learning tools and information for the following endorsements:

  • (T) Double/Triple Trailers
  • (N) Tank Vehicle (Tanker)
  • (H) Hazardous Materials (HazMat)
  • (X) Tanker + HazMat Combination

Why Add CDL Endorsements?

Endorsements allow you to qualify for higher‑paying, specialized driving positions. Many employers prefer or require drivers with additional certifications, especially in industries such as:

  • Fuel and chemical transport
  • Agriculture and food‑grade tankers
  • LTL freight companies
  • Construction and heavy industry
  • Regional and local delivery fleets

Endorsements make you more competitive, more versatile, and more valuable in the job market.

Consider a Career in the Trucking Industry

Heavy and Tractor‑Trailer Truck Drivers are recognized as one of Oklahoma’s top critical occupations. These roles are essential to the state’s economy and offer:

  • High wages
  • Strong job security
  • Nationwide demand
  • Flexible career paths
  • Opportunities for advancement

Adding endorsements expands your career options even further.