![]() Mainstream Engineering Mainstream Engineering is a designer and manufacturer of thermal control and energy conversion systems. | |||
Founding Date | Founding Date 1990 | Founding Date 1998 | Founding Date 1986 |
Type | Type Subsidiary | Type Private | Type Private |
Tags | |||
Locations | Locations Tulsa, US HQ | Locations Milton Keynes, GB HQ | Locations Rockledge, US HQ |
Employees | Employees 4 | Employees 227 | Employees 1301% increase |

Helix (also known as Integral Powertrain) is an engineering consultancy.
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Mainstream Engineering is a designer and manufacturer of thermal control and energy conversion systems.
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