KELCO INDUSTRIES

Custom‑Engineered
Components & Assemblies.
Made in the USA since 1909

Kelco unites four American manufacturing leaders—Guardian Electric, Flex‑Weld, WCT and AMT—to deliver mission‑critical control grips, switches, relays, solenoids & coils; flexible metal hose, bellows and expansion solutions; PTFE/rubber seals and gaskets; and injection/insert/over‑molded plastics. AS9100/ISO certified, and ITAR registered, we take programs from concept to production with speed, precision and accountability.

Browse Our Subsidiaries

Our Subsidiaries.

ch53k lhm sikorsky grip
guardian 2000px
sanitary gasket thumbnail
WCT group
exhaust bellows thumbnail
High-quality industrial welding services by Kelco Industries for durable, reliable metal fabrication.
High-quality industrial fuel injectors for engine performance and durability.
amt 2000px

Our Capabilities.

High-quality architectural blueprint being reviewed by an engineer or architect at a construction project.
Custom Manufacturing & Engineering Solutions

We design and develop tailored products with in-house engineering expertise, supporting complex challenges with prototyping and iterative development to bring your vision to life.

Forklift operator moving boxes in warehouse.
High-Volume & Low-Volume Production

From single prototypes to large-scale runs, our scalable production systems adapt to your needs with cost-effective strategies and flexible scheduling to meet demand.

Precision CNC machining equipment displaying detailed gear 3D modeling for manufacturing.
3D Prototyping & Rapid Development

Accelerate product innovation with 3D modeling and rapid prototyping for faster iterations, shorter lead times, and optimized product performance.

Safe construction site supervisor inspecting project progress with clipboard and pen.
Dedicated Testing & Quality Assurance

Our advanced testing labs and rigorous quality control processes ensure every product meets exacting standards for safety, performance, and reliability.

High-precision laser cutting metal fabrication at Kelco Industries, expert in industrial metal services.
Precision Metal Fabrication & Component Assembly

We specialize in high-precision metal forming, machining, welding, and seamless component integration for complete, critical-application solutions.

Black plastic pellets in manufacturing process at Kelco Industries facility.
Material Expertise & Customization

Choose from a wide range of metals, composites, and polymers, with custom formulations and specialty coatings tailored to your industry’s exact requirements.

Robotic arm manufacturing machinery at Kelco Industries for industrial automation solutions.
Advanced Automation & Smart Manufacturing

We leverage robotics, CNC machining, and real-time data to deliver efficient, high-quality production—powered by lean principles and cutting-edge automation.

Aerial view of shipping containers and cargo ships at a busy port with cranes.
Reliable Supply Chain & On-Time Delivery

With strong vendor partnerships, vertically integrated processes, and robust logistics coordination, we ensure dependable lead times and on-time delivery—no matter the project scale.

Built on Trust.

  • High-quality Boeing logo featuring blue text and iconic emblem, representing aerospace innovation and engineering excellence.
  • High-quality Lockheed Martin aerospace and defense manufacturing facility at Kelco Industries.
  • Sealed federal emblem of the Department of Defense representing U.S. military and defense authority.
  • Virgin Galactic spaceship logo with vibrant purple and pink colors, space tourism branding.
  • BAE Systems logo on a black background, representing advanced defense and aerospace technology.

    • Driven by Excellence.

    Have Questions?
    Connect With an Expert

    • Expert product, application, and design assistance
    • Fast response times to keep your project moving
    • Custom solutions tailored to your exact specifications
    • Guidance on material selection, performance, and compliance
    This field is for validation purposes and should be left unchanged.

    Industries We Serve.

    expedition 54 soyuz ms 06 landing

    SPACE & ROCKETRY

    Precision-engineered solenoids, seals, and flex assemblies for propulsion, flight control, and environmental systems. Kelco’s aerospace-grade components ensure mission reliability through vibration-resistant construction, high-temperature tolerance, and proven performance in launch and satellite platforms.

    Fighter jet flying over desert mountains, showcasing advanced aviation technology.

    AEROSPACE & DEFENSE

    AS9100-certified motion, sealing, and control solutions for air, land, and sea systems. From aircraft control grips and hermetic solenoids to PTFE seals and flexible joints, Kelco delivers flight-critical and defense-qualified components trusted by OEMs and prime contractors worldwide.

    Wind turbines on green rolling hills with mountains in the background, emphasizing renewable energy and sustainable power solutions.

    ENERGY & POWER GENERATION

    High-reliability expansion joints, bellows, seals, and relays designed for turbines, boilers, and grid-control systems. Kelco’s engineered components maintain integrity under thermal cycling, pressure spikes, and demanding operating conditions across conventional and renewable energy facilities.

    High-speed industrial bottling machinery for beverage production.

    FOOD & BEVERAGE

    FDA-compliant seals, sanitary gaskets, molded components, and automated control devices built for hygienic performance. Kelco’s precision-molded and corrosion-resistant assemblies ensure clean, reliable operation in processing, packaging, and dispensing systems.

    adobestock 208945031

    TRANSPORTATION & LOGISTICS

    Durable, vibration-resistant seals, bellows, switches, and actuators supporting commercial vehicles, rail systems, and industrial automation. Kelco’s integrated components enhance performance, safety, and uptime in mobility and heavy-equipment applications.

    adobestock 197043214 (1)

    MEDICAL & PHARMACEUTICAL

    Precision-molded plastics, clean-room seals, and miniature solenoids designed for diagnostic, fluid-handling, and life-science equipment. Kelco’s medical-grade manufacturing ensures biocompatibility, reliability, and compliance with FDA and ISO 13485 standards.

    What’s new?

    Media & Events