Advanced Technologies Developed for Real-World Applications
Mainstream Engineering develops technologies that solve complex technical challenges across government, military, commercial, and industrial applications. Our work spans research, engineering, prototyping, testing, and manufacturing — allowing us to move advanced concepts from the lab into practical use.
The technologies below represent key areas of Mainstream’s expertise, including thermal control, energy and sustainability, power electronics, mechanics, materials science, chemical-based technologies, artificial intelligence, robotics, and related engineering disciplines.
Each technology area reflects our commitment to developing innovative solutions that are practical, reliable, and built for demanding real-world environments.
AMD Engines
Mainstream designs and manufactures purpose-built engines for demanding, niche applications such as military generators, unmanned aerial vehicles, alternative fuel generators, and high-efficiency vehicles. We also...
Biomass Conversion
Mainstream Engineering develops biomass conversion technologies that transform lignocellulosic waste biomass and mixed waste streams into pyrolysis bio-oil. This work supports renewable energy generation, waste-to-energy...
DVC Solutions for High Power Electronic Cooling
Coldplates and Heat Exchangers Mainstream develops custom compressors, coldplates, condensers, valves, and control modules for size, weight, and power-optimized thermal management systems. We specialize in...
DVC Turbomachines
Compressors and Turbines Compressors – Mainstream develops custom screw, reciprocating, centrifugal, and rotary vane compressors for various applications, including cooling systems for high energy lasers...
Machine Vision Inspection
Mainstream Engineering develops machine vision inspection technology for automated, real-time monitoring of thin films, membranes, coated webs, and other continuous materials. This technology is designed...
Multi-Material Robotic Additive Manufacturing (MRAM)
Robotic 3D Printer Mainstream has developed a multi-material robotic additive manufacturing (MRAM) system for robotic, thermal, electrical, and materials R&D. This custom robotic-arm-based 3D printer...
Nano-Structured Materials
Nanotubes and Nanopores Control of material structures in the nanometer-scale size can significantly impact the performance of materials at the macro-scale. Mainstream has developed processes...
OPTI Drives
High-Speed Motor Drives and Control Algorithms Mainstream develops custom high-speed, variable-frequency motor drives for demanding applications where commercial drives are not suitable. The power devices...
OPTI Solutions for Water Cooling
OPTI Pumps and Radiators Mainstream develops custom pumps, radiators, mixing valves, active accumulators, and controllers for use with water, ethylene glycol water solutions, or propylene...
Portable Power Supplies
Lightweight, Compact Power Supplies Mainstream develops lightweight and compact portable power supplies for military and DoD applications. We have developed AC-DC, DC-DC, and DC-AC converters...
Self-Heating Water Purification
Mainstream Engineering develops self-heating water purification technology designed to help users heat, treat, and prepare water in portable environments where traditional heating equipment may not...
Thermal Energy Storage
Mainstream develops custom phase-change thermal energy storage devices requiring high heat transfer rates, high thermal capacity, and small temperature differentials. We have developed and delivered...
Vapor-Phase Growth
Internally-Cooled IR Windows Mainstream Engineering fabricates transparent optical windows in the infrared spectrum for high-temperature applications such as hypersonic vehicles. Our patented cooling method (US...
Wide-Bandgap Semiconductors
SiC and GaN Modules Mainstream develops custom power converter modules using state-of-the-art silicon carbide or gallium nitride devices depending on the application’s requirements. First, our...