Mainstream Engineering
Develops and manufactures thermal control and energy conversion systems.
Founded 1986 · 150 employees · United States · Private
Defense and Space ManufacturingMechanical Engineering
- Funding: Grant · $1.9M · 2025
- Subsidiaries: QwikProducts, EPATest, Mainstream Marine, Safe Boating Card, Stovelabs, Fix My AC, AgreFine