Design for manufacturability
We re-engineer parts and processes so your system is faster, more reliable, and more cost-effective to build at volume, without compromising design intent.
Contract Manufacturing · System Integration · Test · Fremont, CA
Complex technical systems,
Complex technical systems,
built, integrated, and tested.
ReliantEMS is an engineering-led contract manufacturer for high-mix, low-volume technical assemblies and integrated systems, from RF enclosures and signal-analysis hardware to fully populated server and test racks. We build it, integrate it, and validate it before it ships or deploys, with quality assurance as our first priority.
BUILD · INTEGRATE · TEST
System validated
100% tested
On-site or shipped, ready to deploy
Building and testing for industry leaders
(01) · Who we are
A contract manufacturer that engineers, integrates, and tests, not just assembles.
For demanding programs in semiconductor, automotive, telecom, and scientific instrumentation, we take ownership of the hard part: building complex, high-value systems correctly, completely, and to spec. Our specialist engineers don't just follow the print. They make the product better, more manufacturable, and ready to scale.
Custom parts & sub-assemblies
Brackets, enclosures, fixtures, harnesses, and sub-assemblies that don't exist yet. Designed and produced in-house to complete your build.
Hardware & software development
Electronics, firmware, and test software, so your system arrives working as an integrated whole, not a box of parts to debug.
Integration & functional test
We assemble, cable, configure, and functionally test complete systems, delivering a validated, traceable, ready-to-deploy unit.
(02) · Systems we build
From a single technical assembly to a fully integrated and tested system.
We specialize in complex, high-value systems, the kind most contract manufacturers won't take on. We build them, integrate them, and prove them out before they leave the floor.
01
Integrated equipment & server racks
Fully populated, cabled, and configured racks: servers, instrumentation, and subsystems integrated into a single, tested deliverable.
02
RF & shielded enclosures
Precision RF enclosures and shielded assemblies engineered for signal integrity in electrically demanding environments.
03
Signal processing & analysis
Integration of signal processors, analyzers, and measurement equipment into calibrated, working systems, not just mounted hardware.
04
Test, validation & burn-in systems
Custom test, validation, and burn-in systems engineered to exercise, measure, and validate your product at scale.
On-site & in-lab integration
We build, integrate, and deploy complete systems inside your facility, including in-lab Device Verification & Test work at customer sites.
Built and shipped
Or we build and fully test at our Fremont floor, then ship a complete, ready-to-deploy system to your door.
Featured engagement
Fully populated Device Verification & Test (DVT) systems, built, tested, and deployed on-site at Broadcom.
RF enclosures, signal processors and analyzers, and servers, integrated into complete rack-level systems and functionally validated. We deliver on-site inside the customer facility or build and ship from our floor, and the same capability supports test and integration systems for the automotive industry.
System-level
Complete delivery
100%
Functionally tested before delivery
On-site or shipped
Built your way
(03) · Capabilities
Manufacturing & prototyping, in-house and integrated.
One partner across the whole stack, so prototypes, custom tooling, production, and final integration all speak the same language.
3D Printing
Rapid prototypes and end-use parts, iterated in hours.
CNC Machining
Tight-tolerance metal and plastic components.
Laser Cutting
Clean, precise profiles in sheet and plate stock.
Sheet Metal
Forming, bending, and fabrication for enclosures & chassis.
Plastic Injection Molding
Production-grade molded parts at scale.
Functional Test & Inspection
Functional test, inspection, and validation before delivery.
Electromechanical Assembly
Complex builds that fuse electronics and mechanics.
Cables & Harnesses
Custom cable and wire-harness assembly.
Items marked Partner network are produced through our vetted manufacturing partners and managed end to end by ReliantEMS.
(04) · How we work
A straight line from print to proven system.
01
Consult & scope
We learn your system, constraints, and goals, then map the fastest credible path to production.
02
Engineer & design
Design for manufacturability, custom parts, electronics, and firmware, engineered as one system.
03
Build & integrate
Fabrication, electromechanical assembly, cabling, and rack integration under one roof.
04
Test & deliver
Functional test and validation with full traceability. Then a complete, ready-to-deploy system, delivered on-site or shipped.
(05) · Quality & compliance
Quality assurance isn't a department. It's the whole point.
For our contract-manufacturing customers, QA is our top priority, engineered into every stage and tested in, not inspected in at the end.
Built to an ISO-compliant quality system.
- ISO-compliant quality management, documented, auditable, and consistent across every build.
- Inspection & functional test at incoming, in-process, and final stages, with full traceability through to delivery.
- Continuous improvement: we close the loop on every issue and feed it back into the process.
Certifications & compliance
ISO
Compliant
UL
Safety
TÜV
Tested
CE
Europe
FCC
Emissions
CPC
Children's
(06) · Proof we go end to end
We don't just build other companies' products. We've shipped our own.
We're also an OEM. We've taken our own products from concept to certified, high-volume production, so when we say we understand the whole lifecycle, it's from experience. It's the same discipline we bring to your build.
OEM Product · Electronics, firmware, battery & thermal
LunchEAZE
A cordless, self-heating lunchbox engineered end to end: food-grade stainless construction, battery and heating electronics, scheduled-heat firmware, and a manufacturing line that ships it at scale. UL & TÜV certified.
luncheaze.com
OEM Product · Industrial design, mechanical, electronics
BarrelCool
A precision barrel-cooling device for serious shooters: a chamber-flag and fan in one that drives air through the bore to hold accuracy between strings. Designed, certified, and manufactured in-house.
Available exclusively at MidwayUSA
Engineering & NPI services
Talk to an engineer
New product introduction for established companies.
Bringing new hardware to volume? Our engineering and new-product-introduction services help you de-risk the design, lock in manufacturability, and stand up a certified production line, backed by a team that has done it for its own products.
(07) · Industries
Where our work ends up.
Semiconductor & networking
Automotive
Telecommunications
Scientific instruments
Medical devices
Consumer & IoT
Let's build something
Bring us your hardest build.
Integrated racks, RF and signal-analysis systems, automotive test and integration, or a complex assembly no one else will touch. We'd like to hear about it.