aviation & Aerospace
electronics manufacturing
With the ability to fine tune and “lock-down” a process and the production line it runs on, EI Microcircuits can meet or exceed the rigid standards of aircraft systems and military products. With ITAR in place, you can be assured our process and documentation are both robust and secure.
our core aviation offerings

avionics systems
- Navigation Systems
- Communications Systems
- Surveillance and Monitoring
- Flight Control Systems
- Data and Monitoring Systems

power systems
- Auxiliary Power Units (APU) Control Systems
- Electrical Power Distribution Systems
- Transformer-Rectifier Units (TRU)
- Static Inverters
- Batteries (e.g., lithium-ion, nickel-cadmium)

engine control systems
- Full Authority Digital Engine Control (FADEC)
- Engine Monitoring Units (EMU)
- Engine Indication and Crew Alerting System (EICAS)

safety and emergency systems
- Emergency Locator Transmitters (ELT)
- Fire Detection and Suppression Systems
- Emergency Lighting Systems
- Evacuation Slide Control Electronics

cabin systems
- Passenger Entertainment Systems (IFE)
- Cabin Management Systems (CMS)
- Cabin lighting.
- Passenger Address Systems (PA)
- Cabin Lighting Control
- Galley Electronics (e.g., ovens, coffee makers)

sensors and instrumentation
- Pitot-Static Sensors (Airspeed, Altitude)
- Angle of Attack (AoA) Sensors
- Fuel Quantity Indicators
- Gyroscopic Instruments (e.g., Attitude Indicators)
- Magnetometers and Flux Gate Compasses

auxiliary and support systems
- Cargo Loading Systems
- Hydraulic System Electronics
- Brake-by-Wire Control Systems
- Landing Gear Control Electronics

advanced and emerging technologies
- Synthetic Vision Systems (SVS)
- Enhanced Vision Systems (EVS)
- Heads-Up Display (HUD)
- Flight Deck Connectivity Systems
- Datalink Communication Systems (e.g., CPDLC)
- Aircraft Wireless Sensors for Predictive Maintenance

environmental control systems
- Air Conditioning and Pressurization Control Systems
- Ice Detection and Anti-Icing Systems
- Smoke Detection Systems
reliable solutions for advanced aerospace applications
We deliver aerospace-grade PCB assemblies with proven reliability, precision, and traceability—engineered to perform in the most demanding flight environments.




critical capabilities for aerospace & avionics manufacturing
EI Microcircuits provides high-reliability manufacturing solutions with the traceability, testing, and compliance essential for aerospace and avionics systems. We are AS9100 certified, ensuring rigorous quality standards and accountability throughout our processes.
hear it from our customers
"A delightful company to work with. Could not have done it without your expertise."
"EI excels in responsiveness, support and flexibility. I very much appreciate EI’s ability to adapt on the fly."
"I appreciate the work EI does most of all because it makes my job easier."
"Overall, EI does a great job in dealing with everything we throw at them. They are responsive and understanding of us, even though it may not always be the most reasonable of requests. As a buyer, I feel lucky to have a supplier that works with us like they do."
"Working on a project that had a board that was simply not manufacturable the way it was set up, EI went above and beyond to help with engineering and still met a very short deadline."


Electronic Insights
let's talk
EI Microcircuits operates multiple climate-controlled facilities designed for scalability, technical excellence, and built-in disaster resilience—each fully equipped to support today’s most advanced electronic assemblies. Let us be the solution to your next project—Contact Us, Request a Quote, or Schedule a Tour today!
MANKATO, MN
1651 Pohl Road
Mankato, MN 56001
P: 507.345.5786
ST. PETER, MN
2011 Klein Street
St. Peter, MN 56082
P: 507.934.5722
*Each facility is configured to support your production needs. While maintaining continuity with each other in equipment, training and process control. All facilities share the same data center to allow for seamless manufacturing between locations.