AP4 Group – Full-Service Heavy-Duty & Aeroderivative Industrial Gas Turbine Maintenance Provider.

What can AP4 Group
do for you?

Power Generation

AP4 Group provides the power generation industry with the services and solutions to keep power plants running safely and efficiently.

We offer reliable solutions for profitability and focus on helping you meet your sustainability objectives. Whether it is OEM parts you need for a planned outage or a team of experienced field service engineers, AP4 has your power generation requirements covered.

AP4 and AP+M provide parts and services to plants all over the world.

We aim to be an integral part of your operations – an experienced partner in swiftly delivering quality parts in an ever-expanding global market. No matter your location, the difficulty of delivery, the rarity of the parts or the time frame, you can rely on AP+M to provide the expertise and support you need.


AP4 Group provides various support for the Power Generation industry.

For decades, AP4 has been a provider of parts & repair services through our AP+M division.

Providing aeroderivative gas turbine support to the marine industry is critical to our success.


OEM Distribution

With our extensive OEM network, you get speed, flexibility and better control to procure parts & materials.

Parts Supply

With over 10,000 engine and consumable parts and competitive turnaround times, we aim to be an integral your operations.

Component Repair

Utilizing our extensive network of OEM approved component repair shops complimented by our organic MRO capabilities, we can handle your component repair & overhaul services in addition to new parts supply.

Field Services

Our AP4 Energy Services team is ready to respond to your on-site maintenance and troubleshooting needs with our top tier team of gas turbine, generator and steam turbine controls, excitation and mechanical field service engineers, 24/7/365.