Expert Engineers,
Efficient Solutions

Providing Design Services for Pressure Vessels and Cargo Tanks

NJP Engineering, LLC

Offering Quick Solutions

For Fabrication Problems

NJP Engineering LLC

Welcome to the website of NJP Engineering LLC, a mechanical engineering services company with a focus on the tank trailer and pressure vessel fabrication industries.

We provide design services for stationary and mobile pressure equipment (pressure vessels and cargo tanks).   This includes qualification of new designs, modifications, and cargo tank Design Certifying Engineering (DCE) services. Our goal is to provide practical solutions for various challenges regularly encountered by fabricators, tank trailer owners, manufacturers, and repair facilities. We strive to deliver exceptional value by helping you solve your problems as quickly and painlessly as possible.

Please peruse our website to learn more about us and what value we can bring to your situation. If you have any questions, please do not hesitate to email us!

News & Announcements


UPDATE to Use of Current ASME Code (HM-261)

7/1/16 - On 4/29/16, the DOT has published a rule (view it here) that finally abandons...

Interpretation on Rings

11/25/14 - You may or may not be aware of the flap surrounding some vessels...

Clarification on Mounting Pad Requirements

PHMSA has issued a memo clarifying the requirements for attaching structural members and appurtenances in...