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We test and certify personnel in the Plumbing, Piping, HVACR and related industries. NITC is ISO 9001:2000 certified and is an ANSI accredited Certifier - Accreditation Number 0645 in the following scope: Firesprinkler Fitter Mastery Certification, HVAC Mastery Certification, Journeyman Pipefitting/Steamfitting, Journeyman Plumber, Medical Gas Inspector, Medical Gas Installer, Medical Gas Instructor and Medical Gas Verifier. We also offer a large number of personnel certifications that include but are not limited to Journey and Mastery Levels, Medical Gas, IAPMO Voluntary Plumbing and Mechanical Inspector, and assorted City, County and State Government requirements. Please click on “certifications” on the left hand side of this page for a complete list of certifications offered by NITC.

NITC is committed to providing high quality, efficient certification services that are up to date with industry requirements. We will strive to continuously improve in all areas to achieve defect-free processes.

If you are a training/apprenticeship coordinator, association representative, or employer representative and would like to order a certification examination for a group, please click on the "certifications" button located on the left hand side of this page. Go to the certification you want and you will find candidate bulletins, a group examination request/roster form, and individual applications. In addition to the request/roster form that you must complete, each individual must complete and sign an application. Please contact our office if you need assistance.

If you are an individual and you would like to take a certification examination please click on the "certifications" button located on the left hand side of this page. Find the certification you want, print out the application form, complete the application and call the NITC office. We will schedule an examination for you. Please contact our office if you have any questions.


SNBOPE (Clark County) Plumbing Re-Certification exams are Available “Online” More...
Online Continuity Brazing Submittal More...
Certification Fee Increase Effective February 18, 2008 More...
ASSE/6040 Medical Pipeline Maintenance Training Course Available More...
April 18, 2008 Atlanta, GA Medical Gas ASSE 6050 Training Seminar Available More...
Take your Certification Examination by Computer at an ACT Testing Location. More...
Medical Gas Installer / Brazer Frequently Asked Questions More...
Have you changed your address? More...
2005 NFPA Examinations Are Effective October 10th, 2005 More...
Recertification Examinations are Now Available “Online” More...
IAPMO Plumbing and Mechanical Inspector Certification Renewal and Reciprocity Examinations are Now Available "Online" More...
NITC Receives ANSI accreditation June 5th, 2003 More...