Mainstream Engineering Corporation
Mainstream Engineering Corporation is a privately held, Florida-based R&D manufacturer founded in 1986 that designs and produces ruggedized thermal management, power electronics, and turbomachinery systems for U.S. defense and space agencies, with a parallel commercial HVAC and certification business.
- Company typePrivate
- Founded1986
- HeadquartersRockledge, United States
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
What Mainstream Engineering Corporation does
Mainstream Engineering Corporation is a privately held, vertically integrated R&D-based manufacturer founded in 1986 in Rockledge, Florida, specializing in advanced thermal management, power electronics, mechanics, and materials science for U.S. defense, space, and selected commercial markets. The company's technology portfolio spans five domains: thermal control (DVC refrigerant cooling solutions achieving up to 500 W/cm² heat flux with sub-2°C isothermality; OPTI water cooling systems; phase-change thermal energy storage to 10 MJ); energy and sustainability (Mantis Eye machine vision, biomass pyrolysis reactors yielding 65% bio-oil, HHYCOR water purification for combat rations); power electronics (custom SiC and GaN wide-bandgap converters, OPTI Drives at 99% efficiency, portable military power supplies); mechanics (AMD turbodiesel engines, DVC turbomachines including a 60 kW ram air turbine for the EA-18G, multi-material robotic additive manufacturing); and materials science (nano-structured materials, internally-cooled IR windows for hypersonic applications). Defensible military products include Modular Refrigeration Units, TriCon and Quadcon Refrigerated Container Systems, Ruggedized and Improved Environmental Control Units, the Sentinel A4 Heat Exchanger (sole-source on Lockheed Martin's next-generation Army radar), and SiC-based OPTI Drives, all qualified to MIL-STD-810G, MIL-STD-461F, MIL-PRF-32335, NSF/ANSI 7, and ITAR requirements at an ISO 9001:2015-certified facility.
The company monetizes through four streams: government and military contracts (R&D and production awards with DOD, NASA, DOE, DOT, USDA, plus service-level contracts with the Army, Navy, Air Force, and Marine Corps and Lockheed Martin); commercial hardware sales via wholly owned subsidiary brands (QwikProducts for HVAC/R parts, Mainstream Marine for boating accessories, Agrefine for bio-oil, and Fix My A/C consumer HVAC toolkit); certification services through the EPA-approved EPA Test platform; and recurring boater safety certification revenue via Safe Boating Card. Distribution combines direct enterprise field sales with a dedicated military sales contact for government contracts and wholesale plus direct-to-consumer online channels for commercial brands. With 48+ patents, 8+ military products, 58+ commercial products, and 3,000+ active contracts, Mainstream operates a deep, contract-anchored defense and energy R&D business with a small but diversified commercial tail.
Mainstream Engineering Corporation firmographics
Firmographics- Name
- Mainstream Engineering Corporation
- Legal name
- Mainstream Engineering Corporation
- Website
- https://mainstream-engr.com
- Company type
- Private
- Founded year
- 1986
- Operating status
- Operating
- Headcount range
- 101–250 employees
- Short description
- Mainstream Engineering Corporation is a privately held, Florida-based R&D manufacturer founded in 1986 that designs and produces ruggedized thermal management, power electronics, and turbomachinery systems for U.S. defense and space agencies, with a parallel commercial HVAC and certification business.
- Ownership category
- akta.pro rank
Mainstream Engineering Corporation industry classification
Industry- Product category
- Military thermal management and power electronics
- NAICS
- Aerospace Product and Parts Manufacturing (33641), Other Electronic Component Manufacturing (334419), Electrical Equipment Manufacturing (33531)
- SIC
- Refrigeration & Service Industry Machinery (3580), Aircraft & Parts (3720), Miscellaneous Electrical Machinery, Equipment & Supplies (3690)
- akta.pro primary industry
- Military Power Supplies, RF/Microwave Components & Ruggedized Electronics (IMABAGAJ)
- akta.pro secondary industry
- Space Structures, Mechanisms & Thermal Control (IMABACAF)
Keywords
Where Mainstream Engineering Corporation is headquartered
LocationHeadquarters
- HQ city
- Rockledge
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Mainstream Engineering Corporation business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Technology or R&D, Supply Chain, Operations, Infrastructure, Marketing or Sales
Revenue model
- Government & Military Contracts: R&D and manufacturing contracts with DOD, NASA, DOE, DOT, and other government agencies for military products including refrigeration units, environmental control units, power converters, engines, and thermal management systems.
- Commercial Products: Wholesale and consumer offerings through subsidiary brands including QwikProducts (HVAC/R parts and accessories), Mainstream Marine (boating accessories), and other commercial products.
- EPA Certification Services: EPA-approved certifying agency for Section 608 Type I, II, III, and Universal exams and Section 609 Motor Vehicle A/C certification. Additional certifications offered include R-410A, IAQ, PM Tech, Green, and HC/HFO.
- Boater Safety Certification: State-approved boater safety certification program through Safe Boating Card website. Course approved by National Association of State Boating Law Administrators and recognized by U.S. Coast Guard.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Transaction based/ take rate | Monthly | Standard commercial terms for wholesale customers |
Go-to-market motion2 records
Distribution channels5 records
Marketing channels5 records
Mainstream Engineering Corporation product offering
Product offeringCore offering
Mainstream Engineering Corporation is an R&D-based manufacturer that designs, develops, and produces thermal control, power electronics, mechanics, and materials science products in the United States. Its primary offerings are ruggedized military and aerospace hardware including refrigeration units, refrigerated containers, environmental control units, power converters and motor drives, custom engines, thermal management heat exchangers, and turbomachinery, sold to the U.S. Department of Defense, NASA, the Department of Energy, the Department of Transportation, and prime defense contractors such as Lockheed Martin. The company also sells commercial and consumer products through wholly owned brands including QwikProducts (HVAC/R parts), EPA Test (Section 608/609 certification), Mainstream Marine, Safe Boating Card, Fix My A/C, Stovelabs, and Agrefine bio-oil.
Product overview
Mainstream Engineering Corporation is a thermal control and energy conversion R&D-based manufacturer that transitions advanced technology into high-quality, cost-effective products manufactured in the U.S.A. The company operates across five core technology domains: Thermal Control (DVC Solutions with coldplates/heat exchangers and OPTI Solutions with pumps/radiators), Energy & Sustainability (Mantis Eye machine vision, Bioenergy Pyrolysis Reactors, Agrefine Bio-Oil, and HHYCOR water purification), Power Electronics (Wide-Bandgap Semiconductors using SiC/GaN, OPTI Drives, and Portable Power Supplies), Mechanics (AMD Engines, DVC Turbomachines, and Multi-Material Robotic Additive Manufacturing), and Materials Science (Nano-Structured Materials and Internally-Cooled IR Windows). Military product portfolio includes Modular Refrigeration Units (MRU), TriCon/Quadcon Refrigerated Container Systems, Ruggedized and Improved Environmental Control Units (RECU/IECU), military power converters and motor drives, AMD45 diesel engines, and Sentinel A4 Heat Exchangers. Commercial products are distributed under sub-brands including QwikProducts (HVAC/R parts), EPA Test (certification services), Mainstream Marine (boating accessories), Safe Boating Card (boater certification), Fix My A/C (HVAC toolkit), and Stovelabs (biomass cookstoves). The company holds 48+ patents and serves government agencies including DOD, NASA, DOE, DOT, and EPA, as well as commercial industry leaders.
Differentiator
Problem solved
Functional benefit
Quantifiable outcome
- Coldplate isothermality less than 2 degrees C
- +3 more outcomes
Companies that use Mainstream Engineering Corporation
Customer profileNamed customers10 records
Segments3 records
Ideal customer profiles4 records
Mainstream Engineering Corporation technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability2 records
Feature12 records
Mainstream Engineering Corporation partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered core and minor.
- Department of DefensecoreMajor government customer for military products including refrigeration units, environmental control units, power converters, engines, and thermal management systems. Multiple active contracts across Army, Navy, Air Force, and Marine Corps.
- NASAcoreGovernment space agency partner for space-based thermal management, carbon dioxide removal systems, power electronics, and satellite applications.
- U.S. Department of EnergycoreDOE research contracts including autocascade cryocooler development, hybrid geothermal heat pump, advanced fuel cell heat exchangers, and biomass conversion research.
- U.S. Department of TransportationminorDOT partnership for transportation-related thermal management and power electronics solutions.
- U.S. Department of AgricultureminorUSDA partnership for biomass conversion and bioenergy research initiatives.
- EPAcoreEPA-approved certifying agency for Section 608 Type I, II, III, and Universal exams and Section 609 Motor Vehicle A/C certification. Additional certifications include R-410A, IAQ, PM Tech, Green, and HC/HFO.
- NISTminorNational Institute of Standards and Technology partnership for standardization and measurement research.
- Lockheed MartincorePartnership for Sentinel A4 Heat Exchanger thermal management system supporting Lockheed Martin's next-generation radar programs for the U.S. Army. Currently the only active thermal management system on a rotating radar platform.
Scale indicators12 records
Recent moves6 records
Expansion highlights6 records
Mainstream Engineering Corporation competitors and assessment
Company assessmentDirect peers
- Crane Aerospace & Electronics: Crane Aerospace & Electronics provides ruggedized power conversion, sensing, and thermal management subsystems for defense and space platforms, comparable to Mainstream's power converters, motor drives, and space-qualified thermal hardware.
- Thermo King (Trane Technologies): Thermo King manufactures transport refrigeration units including military-spec systems that compete directly with Mainstream's Modular Refrigeration Unit (MRU) and TriCon/Quadcon refrigerated container systems for DoD customers.
- Meggitt (now part of Parker Hannifin): Meggitt specializes in thermal management and ice protection for aerospace and defense platforms, historically competing with Mainstream in high-performance coldplates, heat exchangers, and ruggedized thermal control subsystems.
- Carrier (Carrier Global): Carrier's military environmental control and refrigeration products (including legacy Integra units referenced in Mainstream's MRU product literature) directly compete with Mainstream's RECU and IECU lines for defense HVAC applications.
- Moog Inc. Moog provides high-performance motion control, power electronics, and ruggedized subsystems for military aerospace applications, comparable to Mainstream's OPTI Drives, turbomachines, and high-speed motor drive solutions.
Broad incumbents
- Collins Aerospace (RTX): Collins Aerospace is a major supplier of military and aerospace environmental control systems, thermal management, and power electronics, competing with Mainstream across multiple military product lines including ECUs and motor drives.
- DRS Technologies (Leonardo DRS): Leonardo DRS manufactures ruggedized military power electronics, converters, and thermal management subsystems, directly comparable to Mainstream's SiC-based OPTI Drives and military power converter portfolio.
- Honeywell Aerospace: Honeywell Aerospace provides thermal management, power systems, and environmental control for military and space platforms, overlapping with Mainstream's RECU, power converter, and spacecraft thermal management portfolios.
- Ball Aerospace (Ball Corporation): Ball Aerospace supplies spacecraft thermal control, cryocoolers, and life-support subsystems to NASA and DoD, overlapping with Mainstream's NASA-facing autocascade cryocooler and spacecraft CO2/water removal programs.
- Parker Hannifin Aerospace: Parker's aerospace division supplies thermal management, pumps, motors, and motion control systems for military and aerospace applications, overlapping with Mainstream's OPTI pumps, turbomachines, and motor drive offerings.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat6 records
Key risks5 records
Key highlights6 records
Customer concentration
Mainstream Engineering Corporation social profiles
Digital presenceMainstream Engineering Corporation compliance and trust
Trust signalCompliance7 records
Mainstream Engineering Corporation financial estimates
Financial estimateRevenue estimate
Valuation estimate
Mainstream Engineering Corporation leadership team
Management profileNumber of profiles
Profiles1 record
Mainstream Engineering Corporation subsidiaries and ownership
Company hierarchySubsidiaries7 records
Mainstream Engineering Corporation funding detail
Funding detailFunding overview
Funding rounds3 records
Investors1 record
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Mainstream Engineering Corporation M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Mainstream Engineering Corporation
What does Mainstream Engineering Corporation do?
Mainstream Engineering Corporation is an R&D-based manufacturer that designs, develops, and produces thermal control, power electronics, mechanics, and materials science products in the United States. Its primary offerings are ruggedized military and aerospace hardware including refrigeration units, refrigerated containers, environmental control units, power converters and motor drives, custom engines, thermal management heat exchangers, and turbomachinery, sold to the U.S. Department of Defense, NASA, the Department of Energy, the Department of Transportation, and prime defense contractors such as Lockheed Martin. The company also sells commercial and consumer products through wholly owned brands including QwikProducts (HVAC/R parts), EPA Test (Section 608/609 certification), Mainstream Marine, Safe Boating Card, Fix My A/C, Stovelabs, and Agrefine bio-oil.
Is Mainstream Engineering Corporation a public or private company?
Mainstream Engineering Corporation is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was Mainstream Engineering Corporation founded?
Mainstream Engineering Corporation was founded in 1986. It employs 101 to 250 people.
Where is Mainstream Engineering Corporation based?
Mainstream Engineering Corporation is headquartered in Rockledge, United States, in the North America region.
How does Mainstream Engineering Corporation make money?
Four revenue lines are on record. Government & Military Contracts are the primary driver. The others are commercial Products, EPA Certification Services and boater Safety Certification.
Who are Mainstream Engineering Corporation's main competitors?
Direct peers on record are Crane Aerospace & Electronics, Thermo King (Trane Technologies), Meggitt (now part of Parker Hannifin), Carrier (Carrier Global) and Moog Inc.. Broad incumbents are Collins Aerospace (RTX), DRS Technologies (Leonardo DRS), Honeywell Aerospace, Ball Aerospace (Ball Corporation) and Parker Hannifin Aerospace.
Does Mainstream Engineering Corporation have an API?
No public API is recorded for Mainstream Engineering Corporation.
What industry is Mainstream Engineering Corporation in?
Mainstream Engineering Corporation's product category is Military thermal management and power electronics. Its primary akta.pro industry code is IMABAGAJ, Military Power Supplies, RF/Microwave Components & Ruggedized Electronics, with a secondary code of IMABACAF, Space Structures, Mechanisms & Thermal Control. Its NAICS code is 33641 and its SIC code is 3580.