After 1973 all motorcycles and bicycles with motors attached produced by Tomos were equipped with in-house manufactured engines.

They attributed the delay to development switching to an in-house, proprietary engine that is today known as the Source engine.

Emsisoft Anti-Malware - Combines an in-house engine with BitDefender engine.

F-secure - Combines an in-house engine with BitDefender's engine.

The first game based on the in-house engine which established Techland as a widely-recognized software developer was a sci-fi first person shooter, Chrome.

He had a then unprecedented streak over two seasons, of 40 races, without a DNF, all with in-house engines.

On July 10, 2008, Unknown Worlds announced their move from the Source Engine to an in-house developed engine dubbed "Spark".

Developer Pandemic Studios used their in-house engine, known as Zero to develop Battlefront II.

Peugeot ended its Daimler partnership and produced their first in-house engine for this car, made in their recently-built Audincourt factory.

Known internally as the L539, the new engine is Lamborghini's fourth in-house engine and second V12.