Oklahoma Licensing Overview

  • Plumbing, Electrical and Mechanical Construction is regulated by licensure at the State level.
  • Plumbing, Electrical and Mechanical Contractors are required to maintain a $50,000 commercial general liability insurance policy
  • Additional licensing requirements including experience, financial requirements, exam information, reference books needed, reciprocity and Continuing Education Requirements, please select the appropriate License link below.

Oklahoma Business and Law

Oklahoma Electrical

Electrical

Oklahoma Limited Electrical Contractor w/ Business Law

The Limited Electrical Contractor is prohibited from doing any hands-on electrical work. This license allows the holder to work as a manager doing electrical project planning, estimating, etc. Licensed limited contractors are prohibited from doing any of the work of a Journeyman or Apprentice.  Applicants must take the Electrical Business and Law Exam in addition to the Limited Electrical Contractor Exam in order to obtain this license.

Electrical

Oklahoma Refinery Electrical Journeyman

Refinery electrical licenses are limited to wiring inside Refinery facilities that are defined as facilities designed and operated to receive, unload, store, process and refine raw crude oil. This license applies to out-of-state electrical workers in Oklahoma Refineries.

We offer custom training options for the Oklahoma Refinery Electrical Journeyman training built around your schedule. Find out now what options we have available.

Electrical

Oklahoma Residential Electrical Contractor w/ Business Law

This license allows work in the design, plan, layout, installation, repair and alteration of electrical conductors, fixtures, appliances, apparatus, raceways, conduit and related equipment and fixtures that use electrical energy for light, heat, power, data and communications as it applies to one-, two-, or three-family residences.  Applicants must take the Electrical Business and Law Exam in addition to the Residential Electrical Contractor Exam in order to obtain this license.

Electrical

Oklahoma Residential Electrical Journeyman

This license allows work in the installation, repair and alteration of electrical conductors, fixtures, appliances, apparatus, raceways, conduit and related equipment and fixtures that use electrical energy for light, heat, power, data and communications as it applies to one-, two-, or three-family residences in a supervised environment. A Journeyman must be employed by a licensed electrical contractor.
Electrical

Oklahoma Unlimited Electrical Contractor w/ Business Law

This license allows work in the design, plan, layout, installation, repair and alteration of electrical conductors, fixtures, appliances, apparatus, raceways, conduit and related equipment and fixtures that use electrical energy for light, heat, power, data and communications. The contractor is allowed to bid, advertise and contract. Applicants must take the Electrical Business and Law Exam in addition to the Unlimited Electrical Contractor Exam in order to obtain this license.

Electrical

Oklahoma Unlimited Electrical Journeyman

A Journeyman must be employed by an Electrical Contractor and may not contract. This license allows the design, plan, layout, installation, repair and alteration of electrical conductors, fixtures, appliances, apparatus, raceways, conduit and related equipment and fixtures that use electrical energy for light, heat, power, data and communications in a supervised environment.

Oklahoma HVAC and Mechanical

HVAC and Mechanical

Oklahoma HVACR Journeyman Limited

This exam tests a candidate’s knowledge of the installation, maintenance, repair, fabrication, alteration or extension of air conditioning, refrigeration, heating, and ventilation, including ductwork, within a complete system limited to twenty-five tons cooling and five-hundred thousand BTU heating, and related appurtenances, apparatus, piping vessels, ducts and insulation while employed and supervised by a refrigeration contractor.
HVAC and Mechanical

Oklahoma HVACR Journeyman Unlimited

This exam tests a candidate's knowledge of the installation, maintenance, repair, fabrication, alteration or extension of air conditioning, refrigeration, heating, and ventilation, including ductwork, within a complete system unlimited in horsepower or tons, and related appurtenances, apparatus, piping vessels, ducts and insulation while under the supervision and in the employ of a HVACR Contractor.

HVAC and Mechanical

Oklahoma HVACR Limited Contractor

This exam tests a candidate’s knowledge of the installation, maintenance, repair, fabrication, alteration or extension of air conditioning, refrigeration, heating, and ventilation, including ductwork, within a complete system limited to twenty-five tons cooling and five-hundred thousand BTU heating, and related appurtenances, apparatus, piping vessels, ducts and insulation.
HVAC and Mechanical

Oklahoma HVACR Unlimited Contractor

This exam tests a candidate’s knowledge of the installation, maintenance, repair, fabrication, alteration or extension of air conditioning, refrigeration, heating, and ventilation, including ductwork, within a complete system unlimited in horsepower or tons, and related appurtenances, apparatus, piping vessels, ducts and insulation.

Oklahoma Plumbing

Plumbing

Oklahoma Plumbing Contractor and Gas

Installation, repair and maintenance or extension of any plumbing system, including sanitary drainage waste and vents, water supply, plumbing fixtures and roof drains and also install, maintain, or repair gas piping, appliances, vents, flues, tanks and other related appurtenances in a supervised environment.
Plumbing

Oklahoma Plumbing Journeyman and Gas

Installation, repair and maintenance or extension of any plumbing system, including sanitary drainage waste and vents, water supply, plumbing fixtures and roof drains and also install, maintain, or repair gas piping, appliances, vents, flues, tanks and other related appurtenances in a supervised environment. The Journeyman must be employee of a Plumbing Contractor. A Journeyman may not contract.

Oklahoma Specialty Trades

Specialty Trades

Oklahoma Natural Gas Contractor

This license allows for work in the installation, repair, alteration, or extension of gas piping and gas mains. It includes all natural gas piping within or adjacent to any building, structure, or conveyance, on the premises and to the connection with a natural gas meter, regulator or other supply source.  All Mechanical Contractors are required to take the Mechanical Business and Law Exam in addition to the contractor’s exam in order to obtain this license.

We offer custom training options for the Oklahoma Natural Gas Contractor training built around your schedule. Find out now what options we have available.

Specialty Trades

Oklahoma Natural Gas Journeyman

This license allows for work under the supervision and in the employ of a Natural Gas Contractor in the installation, repair, alteration, or extension of gas piping and gas mains. It includes all natural gas piping within or adjacent to any building, structure, or conveyance, on the premises and to the connection with a natural gas meter, regulator or other supply source.

We offer custom training options for the Oklahoma Natural Gas Journeyman training built around your schedule. Find out now what options we have available.

Specialty Trades

Oklahoma Process Piping Contractor

Covers work in the installation, repair, alteration or extension of the piping and tubing which conveys liquids or gases that are used directly in research, laboratory, or production processes.

We offer custom training options for the Oklahoma Process Piping Contractor training built around your schedule. Find out now what options we have available.

Specialty Trades

Oklahoma Process Piping Journeyman

Covers work done under the supervision and in the employ of a Process Piping Contractor in the installation, repair, alteration or extension of the piping and tubing which conveys liquids or gases that are used directly in research, laboratory, or production processes.

We offer custom training options for the Oklahoma Process Piping Journeyman training built around your schedule. Find out now what options we have available.

Specialty Trades

Oklahoma Roofing Contractor Commercial Endorsement

A commercial roofing contractor’s work includes, but is not limited to, installation, renovation, remodeling, reroofing, reconstructing, repair, maintenance, improvement, alteration, and waterproofing of building roofs using a variety of materials, including shingles, asphalt, and metal. Commercial roofing contractors supervise and manage activities or personnel, supply material, and solicit commercial roofing contracts. A commercial roofing contractor may operate as an individual, firm, partnership, or corporation installing or repairing roofs on residential, commercial and industrial buildings.

We offer custom training options for the Oklahoma Roofing Contractor Commercial Endorsement training built around your schedule. Find out now what options we have available.

Specialty Trades

Oklahoma Sheet Metal Contractor

Those who are qualified to manufacture, assemble, cast, cut, shape, forge, fabricate, weld, repair, recondition, adjust and install sheet rolled metal of any kind or combination and all other air-conveyor systems and air handling systems regardless of materials used, including all equipment and all reinforcements in connection therewith.

We offer custom training options for the Oklahoma Sheet Metal Contractor training built around your schedule. Find out now what options we have available.

Specialty Trades

Oklahoma Sheet Metal Journeyman

This license allows work under the supervision and in the employ of a Sheet Metal Contractor to manufacture, assemble, cast, cut, shape, forge, fabricate, weld, repair, recondition, adjust and install sheet rolled metal of any kind or combination and all other air-conveyor systems and air handling systems regardless of materials used, including all equipment and all reinforcements in connection therewith.

We offer custom training options for the Oklahoma Sheet Metal Journeyman training built around your schedule. Find out now what options we have available.