KES Systems
KES Systems designs and manufactures custom burn-in boards, wafer-level burn-in solutions, and test sockets for semiconductor manufacturers across automotive, aerospace/defense, medical, and telecom verticals, distributed globally via enterprise field sales.
- Company typePrivate
- Founded1983
- HeadquartersTempe, United States
- Headcount501–1,000
- GTM typeB2B
- OfferingHardware or Manufacturing
What KES Systems does
KES Systems, Inc. is a privately held, US-incorporated (Arizona) designer and manufacturer of burn-in boards and related reliability-test equipment for the global semiconductor industry, operating as a member company of Sunright Limited. Founded in 1983, the company describes itself as the world's leading manufacturer of burn-in boards and a provider of wafer-level burn-in (WLBI) solutions, serving semiconductor manufacturers across automotive, aerospace/defense, medical, telecom/data-center, and general semiconductor end-markets. Core products include custom burn-in printed circuit boards, custom test sockets, ATE-compatible test boards, the KX5 and KXtreme burn-in systems, the Hyperion WLBI system for photonics, the GENPOWER system, system-level test (SLT) handlers including the Tiger SLT and g32 MEMS handler, burn-in ovens, HAST boards, and the Klean Contact cleaning system; the portfolio supports HTOL, THB, PTC, and HAST test methodologies and is compatible with major ATE platforms (Teradyne, Advantest, LTX-Credence, Eagle, Roos).
KES generates revenue primarily through custom hardware sales of boards, sockets, and systems, supplemented by professional services (consultation, logistics support, and post-delivery assistance) on a quote-based B2B model with multi-year contracts. The go-to-market is enterprise field sales executed through a global office network spanning the US (Dallas, Tempe/Phoenix), Singapore (regional HQ via the 1993 subsidiary Kes Systems & Service Pte Ltd), Malaysia, China (Tianjin, Shanghai), Taiwan, and the Philippines. The company reports 501–1,000 employees and has no disclosed funding history, no public listing, and no disclosed revenue figures. KES has begun layering AI-driven burn-in analytics and digital-twin failure modeling onto its traditional product set, positioning software/analytics as an emerging overlay on its installed base.
KES Systems firmographics
Firmographics- Name
- KES Systems
- Legal name
- KES Systems, Inc.
- Website
- https://kessystemsinc.com
- Company type
- Private
- Founded year
- 1983
- Operating status
- Operating
- Headcount range
- 501–1,000 employees
- Short description
- KES Systems designs and manufactures custom burn-in boards, wafer-level burn-in solutions, and test sockets for semiconductor manufacturers across automotive, aerospace/defense, medical, and telecom verticals, distributed globally via enterprise field sales.
- Ownership category
- akta.pro rank
KES Systems industry classification
Industry- Product category
- Semiconductor Burn-In and Reliability Test Equipment
- NAICS
- Semiconductor Machinery Manufacturing (333242), Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals (334515)
- SIC
- Services-Testing Laboratories (8734), Instruments For Meas & Testing Of Electricity & Elec Signals (3825)
- akta.pro primary industry
- Test, Probe & Burn-In Equipment (Wafer Sort/Final Test) (HDAHAEAJ)
- akta.pro secondary industries
- Failure Analysis, Reliability & Qualification Services (HDAHADAH), Test Services (Wafer Sort, Final Test, Burn-In) (HDAHADAD), Thermal Processing Equipment (Furnaces/RTP/Anneal) (HDAHAEAE)
Keywords
Where KES Systems is headquartered
LocationHeadquarters
- HQ city
- Tempe
- HQ country
- United States
- HQ region
- North America
Offices10 records
Markets served
KES Systems business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Supply Chain, Operations, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Burn-in Board Sales: Design and manufacture of custom burn-in boards for semiconductor reliability testing. Revenue generated from custom PCB design, manufacturing, and related engineering services.
- Burn-in and Test Systems: Sale of comprehensive burn-in ovens, systems, and equipment including the KXtreme and KX5 product lines for semiconductors, LEDs, and modules.
- Custom Test Sockets: Custom-designed burn-in and test sockets for interfacing with devices under test.
- Professional Services: Consultations on cutting-edge materials, logistics support, post-delivery assistance, and comprehensive burn-in and test services for clients requiring reliable testing.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Custom burn-in board solutions |
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
KES Systems product offering
Product offeringCore offering
KES Systems designs and manufactures custom burn-in printed circuit boards, custom burn-in and test sockets, and complete burn-in and test systems used by semiconductor manufacturers to identify early-life defects and validate device reliability. The company's flagship capability is wafer level burn-in (WLBI) technology applied at the wafer stage before packaging, complemented by burn-in ovens, system-level test (SLT) solutions, ATE-compatible test boards, and AI-driven analytics. Customers include semiconductor manufacturers serving automotive, aerospace and defense, medical, telecommunications, and general semiconductor end markets.
Product overview
KES Systems offers a comprehensive portfolio of semiconductor reliability testing solutions, centered around burn-in board design and manufacturing and wafer level burn-in (WLBI) technology. The core offerings include Burn-in Boards, Custom Burn-In and Test Sockets, and burn-in systems (KX5, KXtreme, and GENPOWER). Supporting products include System-Level Test (SLT) Systems with Tiger SLT Handler, g32 Test Handler for MEMS, Burn-In Ovens, Klean Contact cleaning systems, HAST boards, and ATE test boards compatible with Teradyne, Advantest, LTX-Credence, Eagle, and Roos. The company also provides advanced wafer-level solutions including the Hyperion system for photonics testing. KES Systems positions itself as a one-stop provider offering design consultation through manufacturing and logistics support.
Differentiator
Problem solved
Functional benefit
Products and services
- Burn-in Boards Specialized printed circuit boards designed to hold and stress-test semiconductor devices under elevated temperatures and voltages to identify early-life failures and ensure device reliability for semiconductor manufacturers.
- Wafer Level Burn-In (WLBI) Solutions Testing solutions applied to semiconductor wafers to identify and eliminate defective ICs early in the manufacturing process before packaging, enhancing product reliability and reducing costs.
- Custom Burn-In and Test Sockets Tailored socket solutions designed to establish reliable electrical connections during burn-in and test processes, accommodating various device packages including Leaded, LGA, and BGA.
- KXtreme Burn-In Systems Comprehensive burn-in systems engineered to support burn-in needs of various semiconductor devices, from memory to DSP, FPGAs, and sensors.
- KX5 Test and Burn-In System A cost-effective, flexible burn-in system designed for comprehensive semiconductor testing and reliability assessment.
- System-Level Test (SLT) Systems with Tiger SLT Handler Testing solutions that validate semiconductor devices in environments simulating real-world conditions to uncover issues that manifest only under specific operational scenarios, paired with the Tiger SLT Handler.
- g32 Test Handler for MEMS Advanced tester handler specifically designed for MEMS devices and accelerometers, enabling reliable testing of microelectromechanical systems.
- Burn-In Ovens Thermal chambers that provide precise temperature control for burn-in testing of semiconductors, LEDs, and modules.
- Hyperion Wafer Level Test and Burn-in System Advanced system for wafer-level testing and burn-in of photonic devices, supporting photonics applications.
- HAST Boards Highly Accelerated Stress Test boards for evaluating device resistance to humidity and moisture infiltration, designed for platforms including Despatch, Delta V, Reltech, and Hirayama.
- Klean Contact System Burn-in board cleaning system designed to maintain contact reliability and extend the operational life of burn-in boards.
- ATE Test Boards Test boards compatible with automated test equipment from major vendors including Teradyne, Advantest, LTX-Credence, Eagle, and Roos, used for parametric testing and burn-in board optimization.
- Comprehensive Burn-In and Test Services Professional services offering consultations on cutting-edge materials, logistics support, post-delivery assistance, and comprehensive burn-in and test services for clients requiring reliable semiconductor testing.
Quantifiable outcome
- Identifies potential defects early in the production process through WLBI technology
- +2 more outcomes
Companies that use KES Systems
Customer profileNamed customers3 records
Segments5 records
Ideal customer profiles4 records
KES Systems technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration5 records
AI capability3 records
Feature10 records
KES Systems partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Sunright LimitedcoreKES Systems is a member of Sunright Limited, a parent company relationship providing organizational alignment and shared resources within the semiconductor testing equipment industry.
Scale indicators4 records
Recent moves5 records
Expansion highlights5 records
KES Systems competitors and assessment
Company assessmentDirect peers
- Aehr Test Systems: Aehr Test Systems is the closest direct peer — a publicly traded manufacturer of wafer-level burn-in (FOX-XP) and test systems serving similar semiconductor reliability use cases (logic, memory, photonics, silicon carbide), directly competing with KES's WLBI offering.
- Cohu, Inc. Cohu is a direct peer in semiconductor test handling and burn-in equipment, offering test handlers, burn-in systems, and interface solutions for similar automotive, industrial, and computing end markets that KES serves.
- FormFactor, Inc. FormFactor competes in semiconductor test with probe cards, contactors, and thermal subsystems — overlapping with KES in test interfaces, burn-in boards, and reliability test hardware for advanced packaging and wafer-level test.
- Tesec Corporation: Tesec is a Japanese manufacturer of burn-in and reliability test systems for semiconductors, directly comparable to KES's burn-in ovens and system-level offerings, especially in memory and power device customers.
- Leeno Industrial Inc. Leeno Industrial is a Korean manufacturer of test sockets and contactors used in semiconductor burn-in and ATE — directly competing with KES's custom burn-in and test sockets across the same packaging types (LGA, BGA, leaded).
- Yokowo Co., Ltd. Yokowo is a Japanese test socket and probe manufacturer with significant semiconductor test interface business, competing with KES in burn-in and ATE sockets for memory, logic, and mobility semiconductor customers.
- ISC (Interconnect Systems, Inc.): ISC designs and manufactures custom semiconductor test interface products including burn-in boards and test sockets, directly competing with KES's core PCB and socket offerings.
Emerging players
- Plastronics Socket Company: Plastronics is a specialty test socket and contactor supplier overlapping with KES's custom socket business, particularly for burn-in and high-reliability test programs in advanced packages.
Broad incumbents
- Teradyne, Inc. Teradyne is a broad incumbent in ATE and also a named compatibility partner for KES — its UltraFlex and other platforms are referenced by KES — creating both partnership and vertical-integration risk for KES's ATE test board business.
- Advantest Corporation: Advantest is the world's largest ATE vendor and a named compatibility partner for KES. It is both an enabling channel for KES's boards (via V93000 etc.) and a potential competitor if it expands captive test interface offerings.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
KES Systems social profiles
Digital presenceKES Systems financial estimates
Financial estimateRevenue estimate
Valuation estimate
KES Systems leadership team
Management profileNumber of profiles
KES Systems subsidiaries and ownership
Company hierarchySubsidiaries1 record
KES Systems funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
KES Systems 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 KES Systems
What does KES Systems do?
KES Systems designs and manufactures custom burn-in printed circuit boards, custom burn-in and test sockets, and complete burn-in and test systems used by semiconductor manufacturers to identify early-life defects and validate device reliability. The company's flagship capability is wafer level burn-in (WLBI) technology applied at the wafer stage before packaging, complemented by burn-in ovens, system-level test (SLT) solutions, ATE-compatible test boards, and AI-driven analytics. Customers include semiconductor manufacturers serving automotive, aerospace and defense, medical, telecommunications, and general semiconductor end markets.
Is KES Systems a public or private company?
KES Systems is a private company. It is classified as corporate owned and is currently operating.
When was KES Systems founded?
KES Systems was founded in 1983. It employs 501 to 1,000 people.
Where is KES Systems based?
KES Systems is headquartered in Tempe, United States, in the North America region.
How does KES Systems make money?
Four revenue lines are on record. Burn-in Board Sales are the primary driver. The others are burn-in and Test Systems, custom Test Sockets and professional Services.
Who are KES Systems's main competitors?
Direct peers on record are Aehr Test Systems, Cohu, Inc., FormFactor, Inc., Tesec Corporation, Leeno Industrial Inc., Yokowo Co., Ltd. and ISC (Interconnect Systems, Inc.). Plastronics Socket Company is listed as an emerging player. Broad incumbents are Teradyne, Inc. and Advantest Corporation.
Does KES Systems have an API?
No public API is recorded for KES Systems.
What industry is KES Systems in?
KES Systems's product category is Semiconductor Burn-In and Reliability Test Equipment. Its primary akta.pro industry code is HDAHAEAJ, Test, Probe & Burn-In Equipment (Wafer Sort/Final Test), with a secondary code of HDAHADAH, Failure Analysis, Reliability & Qualification Services. Its NAICS code is 333242 and its SIC code is 8734.