About Us

AP4 Group is a full-service provider of heavy-duty & aeroderivative industrial gas turbine maintenance, including spare parts distribution, component repairs, and field services. Our distribution division, AP+M, is a worldwide OEM authorized spare parts distributor and also provides OEM component repair and overhaul services. AP4 Power Services provides comprehensive field maintenance services on both aeroderivative and heavy-duty gas turbines. TC&E - A Division of AP4 Group specializes in turbine and generator controls, excitation, and mechanical field services.

Our Vision

OUR MISSION is to provide you with the parts and services you need when you need them.  AP4 Group is driven to make life simple in the complex world of industrial gas turbines maintenance, services & spares.

Exceptional experience when you need us.

Powerful performance to get it done.

Core Values

Respect. Professionalism. Perseverance. These are the core values that define the AP4 Group culture and guide us in our daily work and in the way we do business.

Quality Promise

Adhering to the highest and most rigorous standards of quality and service, AP+M - A Division of AP4 Group is an ISO 9001:2015 certified company and we ship all industrial gas turbine parts with a Certificate of Conformance.

Alliances Strategy

As we strive to be an integral part of our customers’ operations, our OEM alliances are a critical component of this ability. Our vast and exclusive partnerships are what allow us to be the leading stocking distributor of genuine, high-quality turbine parts.

Global Experience

With field offices around the globe, our team of dedicated experts can swiftly provide heavy-duty and aeroderivative parts and services to industrial gas turbine users anywhere in the world.

Global Reach

Our Quality Parts + Services Go Beyond Borders.  Our ability to procure genuine OEM parts from our global network of industrial gas turbine part manufacturers allows us to source and same-day deliver your heavy-duty and aeroderivative parts needs, wherever + whenever.

Integrated Solutions

AP4 Group Services can coordinate the full range of field services, acquire parts & component repairs of  aeroderivative and heavy-duty gas turbine generator and steam turbine power plants.  Along with Outage in a Box, we have the fully integrated means of addressing all of your scheduled downtimes with a fully-stocked consumables kit delivered directly to your site