Construction Trade Exam Research Area

Process Piping Contractor

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State of Oklahoma
Construction Industries Board

2401 N.W. 23rd Street, Suite 2F
Oklahoma City, OK 73107
Phone: (405) 521-6550
Toll Free: (877) 484-4424
Oklahoma Construction Industry Licensing Link

Exam Administrator

PSI Licensure : Certification
3210 E. Tropicana
Las Vegas, NV 89121
(800) 733-9267
PSI Web Site

Exam Type


Exam Content

Subject Areas # of
General Knowledge and Definitions 6
Estimating and Plan Reading 7
Pipe Materials, Uses, and Properties 5
Piping Installation and Fitting 8
Hangers and Supports 5
Valves and Controls 6
Safety 3

Total number of test questions: 40
Time allowed (minutes): 120
In Oklahoma, you must also pass the Mechanical Business and Law Exam unless you are already a licensed electrical contractor who is adding a classification to your license.

Go to Business and Law Offering

Books Allowed in the Exam

1. Code of Federal Regulations - 29 CFR Part 1926 (OSHA), latest amendments- OR - (OSHA) Excerpts latest amendments by PSI. Buy from Publisher
2. Facility Piping Systems Handbook, 2nd Edition, 2001, Michael Frankel Buy at Amazon
3. International Mechanical Code, 2015, ICC Buy at Amazon
4. Mathematics for Plumbers and Pipefitters, 8th Edition, 2012, Lee Smith. Buy at Amazon
5. ASME A13.1-07: Scheme for the Identification of Piping Systems, ASME Buy at Amazon
6. ASME B31.3-2004: Process Piping, ASME Buy from Publisher
Go to OSHA Resources
Study materials are currently NOT available for this exam

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