QES is a growth-oriented company providing a wide range of completion, production and drilling services to onshore E&P customers operating in unconventional resource plays and conventional basins throughout the U.S. QES operates via two subsidiaries, Consolidated and DDC. Consolidated provides frac, cementing, acidizing, wireline, water heating and transfer and CO2 product sales and transportation services. DDC provides directional and horizontal measurement-while-drilling services, downhole navigational and rental tools, and associated support services.

Annapurna Summit I, LP has been a minority investor in QES since January 2015.