Applied Companies has manufactured DOT approved cylinders for over 25 years. These DOT rated cylinders are in use throughout the world in applications ranging from fire extinguishers to missile guidance control.

We manufacture cylinders to the DOT requirements of 3A, 3AA, 3HT, 3E, and non-refillable DOT- 39.

Applied Companies is an authorized holder of DOT Special Permits or Exemptions. Such special permit cylinders are used in a wide variety of applications in the National Defense and commercial markets.

We design and custom build cylinders and pressure vessels to accommodate a wide variety of materials, sizes, and thread configurations.

Samples of DOT Certified Vessel