S & K Electronics

What S & K Electronics does

S & K Electronics, Inc. is a US electronics contract manufacturer founded in 1984 and wholly owned by the Confederated Salish & Kootenai Tribes (CSKT) of the Flathead Indian Reservation in Ronan, Montana. The company operates a 42,000-square-foot manufacturing facility across three buildings, staffed by 51-100 employees on a four-day workweek, producing circuit card assemblies, cable and wire harness assemblies, electromechanical box builds, and NBC (Nuclear-Biological-Chemical) heater units for the Department of Defense. Its capabilities span Surface Mount Technology (two lines at 52,000 components/hour), through-hole assembly, selective wave soldering, conformal coating, and inspection/testing including RF testing up to 40 GHz, all performed to IPC-J-STD-001, IPC-A-610 Class 3, and IPC/WHMA-A-620 Class 3 standards under AS9100, ISO 9001, and ITAR registrations.

The company serves US defense and aerospace primes — including BAE Systems, Lockheed Martin, Raytheon, Harris Corp, Elbit Systems, and FLIR Systems — under build-to-print contract manufacturing arrangements with quote-based pricing. Revenue is generated one program at a time through direct enterprise field sales to government prime contractors, with program-level qualifications such as MIL-PRF-51191 for NBC heaters anchoring long-tenured relationships, including the delivery of more than 250,000 NBC heater units to the DoD over 40 years. The HUBZone and Small Disadvantaged Business status, combined with tribal ownership, position S&K to access set-aside contracting vehicles and the Indian Incentive Program. Marketing and customer development are conducted through the corporate website, direct inquiry forms, and third-party validation via industry awards, notably the 2020 Lockheed Martin Elite Supplier Award and the 2021 BAE Systems Partner2Win Supplier of the Year recognition.

Name

S & K Electronics

Legal name

S&K Electronics, Inc.

Website

https://skecorp.com

Company type

Private

Founded year

1984

Operating status

Operating

Headcount range

51–100 employees

Short description

S&K Electronics is a Native American-owned (CSKT) defense electronics contract manufacturer in Ronan, MT, producing circuit card assemblies, cable/wire harnesses, electromechanical box builds, and NBC heaters for US defense primes.

Ownership category

akta.pro rank

Product category

Electronics Contract Manufacturing

NAICS

Electrical Equipment Manufacturing (3353), Semiconductor and Other Electronic Component Manufacturing (33441)

SIC

Electronic & Other Electrical Equipment (No Computer Equip) (3600), Electronic Components & Accessories (3670)

akta.pro primary industry

Ruggedized/Harsh-Environment Electronics Manufacturing (IP-rated, shock/vibration, wide-temp) (IMAGAGAF)

Keywords

• Electronics contract manufacturing
• Circuit card assembly
• Defense electronics manufacturing
• Cable wire harness assembly
• Electromechanical box builds

Headquarters

HQ city

Ronan

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Personnel, Operations, Technology or R&D, Infrastructure, Supply Chain

Revenue model

1. Contract Manufacturing Services: Custom electronics manufacturing services including circuit card assemblies, cable/wire harness assemblies, electromechanical box builds, and specialized NBC heater units. Revenue generated through build-to-print and contract manufacturing arrangements with defense and commercial customers.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

S&K Electronics is an electronics contract manufacturer that builds printed circuit card assemblies, cable and wire harness assemblies, and electromechanical box builds for defense and commercial customers. The company also manufactures specialized Nuclear-Biological-Chemical (NBC) Heater units to MIL-PRF-51191 specifications, with over 250,000 units delivered to the Department of Defense. Services span surface-mount technology (SMT), through-hole assembly, conformal coating, selective wave soldering, and 100% inspection and testing.

Product overview

S&K Electronics is an electronics contract manufacturer offering a portfolio of integrated manufacturing services centered around three core product lines: cable and wire harness assemblies, circuit card assemblies (CCA), and electromechanical box builds. These core offerings are supported by specialized manufacturing capabilities including Surface Mount Technology (SMT), through-hole assembly, mixed technology integration, selective wave soldering, conformal coating, and comprehensive inspection/testing services. The company also manufactures NBC (Nuclear-Biological-Chemical) Heater units as a specialized product for Department of Defense applications. All services adhere to industry standards including IPC-J-STD-001, IPC-A-610 Class 3, and IPC/WHMA-A-620 Class 3, with operations spanning three buildings across a 42,000-square-foot facility.

Differentiator

Problem solved

Functional benefit

Products and services

• Cable and Wire Harness Assemblies Custom cable and wire harness assemblies supporting insulated, bus, shielded, coaxial, twisted, and semi-rigid cables in gauges from 28 AWG to 0 AWG and lengths from under an inch to over 100 feet, using automated Schleuniger equipment. Built for defense and commercial customers.
• Circuit Card Assemblies (CCA) Full-service circuit card assembly including Surface Mount Technology with 52,000 components per hour placement, through-hole assembly, mixed technology integration, flex circuit assemblies, conformal coating, and FPGA/EEPROM programming.
• Electromechanical Box Builds Complete electromechanical assembly integrating circuit card sub-assemblies, wiring, and metal or plastic enclosures, ranging from simple wire/crimp assemblies to complex interconnect boxes with 20+ connectors and up to 500 individual wires.
• NBC Heater Units Nuclear-Biological-Chemical heater assembly units supplied to the Department of Defense, designed and qualified in-house to MIL-PRF-51191 specifications (NSN: 4240-00-807-6856). Over 250,000 units delivered over 40+ years.
• Electronics Contract Manufacturing Services Build-to-print contract manufacturing services for defense and commercial electronics, backed by AS9100, ISO 9001, and ITAR certifications and a 42,000-sq-ft facility.

Quantifiable outcome

• 100% of products inspected and tested before delivery
• +2 more outcomes

Named customers6 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Confederated Salish & Kootenai Tribes (CSKT)OthersCSKT is the sole shareholder of S&K Electronics, Inc. The company operates as part of CSKT's broader economic development program, with a Board of Directors focused on delivering excellence in electronic assemblies while providing sustainable employment for Flathead Indian Reservation residents.
• BAE SystemscoreStrategic or Co-development PartnerS&K Electronics serves as a supplier to BAE Systems for Combat Mission Systems products including Counter Measure & Electromagnetic Attack Solutions. BAE Systems' Partner2Win program evaluates suppliers on operational excellence and supply chain performance.
• Lockheed Martin AeronauticscoreStrategic or Co-development PartnerS&K Electronics is an Elite Supplier to Lockheed Martin Aeronautics, providing assemblies for major commercial and military aerospace programs. Recognized for outstanding quality and delivery performance.
• Elbit SystemsminorChannel Partner/ Reseller/ DistributorListed as a customer/supplier relationship for defense electronics manufacturing services.
• FLIR SystemsminorChannel Partner/ Reseller/ DistributorListed as a customer/supplier relationship for defense electronics manufacturing services.
• Harris CorpminorChannel Partner/ Reseller/ DistributorListed as a customer/supplier relationship for defense electronics manufacturing services.
• RaytheonminorChannel Partner/ Reseller/ DistributorListed as a customer/supplier relationship for defense electronics manufacturing services.

Scale indicators4 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• IEC Electronics: IEC Electronics is a US-listed EMS provider specializing in printed circuit board assembly, cable/harness, and box-build services for defense, aerospace, and medical customers — closely matching S&K's build-to-print defense contract manufacturing model and prime-customer profile.
• Creation Technologies: Creation Technologies is a mid-market, privately held global EMS with a strong aerospace & defense vertical offering PCB assembly, box build, and testing services to OEM and tier-1 customers — directly comparable in segment mix and contract-manufacturing scope to S&K.
• EFW Inc. EFW is a US defense-focused EMS providing circuit card, cable harness, and electromechanical assembly to military prime contractors, including ruggedized/military-spec work — closely aligned with S&K's defense prime customer base and ITAR/MIL-spec delivery scope.
• SigmaTron International: SigmaTron is a small/mid-cap US EMS offering PCB assembly, cable/harness, and box-build contract manufacturing across industrial and defense end-markets — comparable scale and build-to-print model to S&K.
• Libra Industries: Libra Industries is a privately held mid-market EMS providing turnkey PCB assembly, cable/harness, and box-build services with a strong aerospace & defense focus — directly comparable offering and customer overlap with S&K.
• ACDI (American Contract Displays): ACDI is a mid-market US EMS offering PCB assembly, box build, and contract manufacturing services across industrial and defense markets — similar size and contract-manufacturing profile to S&K Electronics.
• Zentech Manufacturing: Zentech is a US mid-market EMS specializing in PCB assembly, box build, and complex military/aerospace electronics with MIL-spec and ITAR credentials — directly comparable in capability set and customer profile to S&K Electronics.

Broad incumbents

• Kimball Electronics: Kimball Electronics is a global, publicly traded EMS with a dedicated aerospace & defense segment offering PCB assembly, box build, and contract manufacturing; broader portfolio than S&K but competes for similar defense/aerospace programs.
• Benchmark Electronics: Benchmark Electronics is a large public EMS with a meaningful aerospace & defense customer base providing PCB assembly, cable/harness, and box build services; competes for mid-tier defense electronics programs comparable to those served by S&K.
• TT Electronics: TT Electronics is a global electronics manufacturer with a dedicated aerospace & defense and industrial segment offering PCB assembly and integrated manufacturing services — broader portfolio but overlaps in defense contract manufacturing.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance9 records

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about S & K Electronics