Specialized EMS Solutions, Built in the U.S.
Pro-Active Engineering delivers scalable, high-reliability PCBA, box builds and full lifecycle program support.

Engineering-Led PCB Assembly for Mission-Critical Programs

PCB Assembly to Full System Integration
PCB Assembly
Full-service PCB design, prototyping, and assembly. From first layout to production-ready boards, built to IPC Class 2 and 3 standards.
- PCB Design & Engineering
- Quick-Turn Prototyping
- SMT & Through-Hole Assembly
- Sourcing & BOM Management
- And more...
Box Build & System Integration
Chassis and enclosure assembly, cable and harness build, firmware loading, and serialized system integration. A finished, tested product, not just a populated board.
- Chassis & Enclosure Assembly
- Cable & Harness Assembly
- Firmware & Software Loading
- Serialized System Builds
- And more...
Advanced Packaging & Interconnects
Wire bonding, silver sintering, die attach, and flip-chip assembly. Specialized packaging processes most contract manufacturers don't have in-house.
- Wire Bonding
- Silver Sintering
- Flip-Chip & Advanced Formats
- Thermal Design Support
- And more...
Testing & Validation
Flying probe, AOI, X-ray, and functional testing with full serialized traceability. Defects caught before a build leaves the facility.
- Flying Probe Testing
- Optical & X-Ray Inspection
- Functional & Environmental Test
- Full Traceability
- And more...
Conformal Coating
Ruggedized PCB protection for harsh environments, including spray coating and encapsulation.
- Spray Coating & Encapsulation
- Material Selection
- Surface Prep & Masking
- Inspection & Verification
- And more...
Engineering-Led, Certified, and Built in the U.S.
Engineering first
DFM reviews, process engineering and first-article qualifications happen before your build starts.
Full lifecycle support
High-touch program management, sourcing and BOM development handled by one accountable team.
Built in the U.S.
Three domestic facilities give you a compliant, lower-logistics-risk supply chain for your programs.
Certified quality
ISO 9001:2015, JCP certified and ITAR registered at Sun Prairie and Burnsville. AS9100 certified and Nadcap accredited in our Minnesota facility, with full material traceability and serialization on every build.
Domestic Facilities for a Lower-Risk Supply Chain


Analog Technologies — Burnsville, MN
A Pro-Active Engineering company. Engineering-led EMS with advanced packaging, box build, and full test capability since 1993.
Learn morePro-Active Engineering — Sun Prairie, WI
Excerpt (card teaser): Our founding facility. PCB design, prototyping, and assembly since 1996
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Built for Aerospace, Defense, and High-Reliability Industries
Military and Defense
ITAR-compliant electronics manufacturing for communications, control systems, surveillance and defense test systems.
Industrial Equipment
Durable, high-power PCB solutions for power grids, energy management and motion control.
Aerospace
High-reliability electronics manufacturing for avionics, embedded controls, sensor platforms and test systems.
Critical Power
Precision electronics manufacturing for critical power infrastructure including voltage regulators, renewable systems and high-power LED lighting.