TUBE BENDING & METAL FABRICATION CAPABILITIES

QUALITY TUBULAR PRODUCTS AND WELDED ASSEMBLIES FOR PRODUCTION PROGRAMS
heavy duty welding and fabrication for crane jib assemblies
Heavy Duty

Leonhardt Manufacturing produces heavy-duty tubular products and welded assemblies for production equipment and structural applications, supporting high-load components where strength, dimensional control, and production consistency are critical.

See Our Heavy-Duty Capabilities

Closed Loop Engine Guard
Tube Bending

Leonhardt Manufacturing delivers ISO-certified precision CNC tube bending for complex and multi-radius geometries, tight tolerances, and production-scale industrial manufacturing programs.

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full service metal fabrication services
Tube Fabrication

Companies including OEMs rely on Leonhardt to fabricate, assemble, and manage tubular components critical to production. Our tube fabrication services integrate forming, joining, finishing, and sub-assembly to reduce supply chain complexity.

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Sheet Metal Fabrication Laser
Sheet Metal Fabrication

Leonhardt delivers integrated and stand-alone sheet metal fabrication, including CNC press brake forming and precision laser cutting, supporting accurate tolerances, consistent quality, and scalable production requirements.

Learn About Sheet Metal Fabrication Services

multi-radius tube bending for furniture
Decorative

Leonhardt Manufacturing produces decorative tubular metal components requiring high cosmetic quality, including polished and visually refined finishes, for applications where appearance is as important as performance.

Go To Decorative Tube Bending

plating, coating and polishing for motorcycle handlebars
Polishing & Chrome Plating

Leonhardt provides chrome plating and metal polishing services supported by controlled finishing processes and quality oversight, enhancing durability, corrosion resistance, and appearance for functional and decorative components.

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highly decorative bent tubing for furniture
Contract Manufacturing

Leonhardt Manufacturing supports contract manufacturing programs by integrating fabrication, forming, finishing, and assembly within controlled production systems designed for stable, long-term manufacturing.

Select Leonhardt For Contract Manufacturing

plastic and metal fabrication
Additional Fabrication Services

From our 95,000 square foot facility, Leonhardt Manufacturing provides a comprehensive assortment oF metal fabrication services including Stamping, Welding, Brazing, Metal Finishing, Sub-Assembly Construction, Prototyping & Design, and Supply Chain Management.

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RANGE OF CAPABILITIES

Leonhardt Manufacturing produces precision tubular and sheet metal products, along with welded assemblies that combine CNC-bent tubing, sheet metal, stampings, machined components, and a wide range of finishes—from paint and powder coating to decorative chrome.

Our facility is equipped with skilled personnel and specialized manufacturing equipment designed to deliver high-quality, accurate, and efficient metal fabrication for demanding production environments.

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Core Capabilities

Core Capabilities

  • CNC Tube Bending
  • Tube Fabrication
  • MIG and TIG Welding
  • Robotic MIG Welding
  • Aluminum Welding
  • Sheet Metal Fabrication
  • Brazing
  • Metal Stampings
  • Polishing & Chrome Plating
  • Sub-Assemblies

Value Added Core Competencies

Value Added Core Competencies

  • Prototype & Development
  • Design for Manufacturability
  • Outsourced Manufacturing
  • Supply Chain Management
  • Lean Manufacturing
  • Cost Containment

Materials and Metals

Materials & Metals

  • Aluminum
  • Steel
  • Stainless Steel
  • Galvanized Steel
  • Cold Rolled Electric Weld
  • DOM Tubing

Shapes

Shapes

  • Round
  • Square
  • Oval
  • Rectangular

Manufactured Products

Sample of Manufactured Products

A representative selection of products Leonhardt supports across industrial, infrastructure, and consumer-facing production programs.

  • Structural & Mechanical Frames
  • Power and Fluid Distribution Skids
  • Crane and Heavy Equipment Assemblies
  • Guards and Barriers (tube and sheet metal)
  • Rails, Channels, and Rack Members
  • Motorcycle and Powersports Components
  • Decorative and Functional Tubular Assemblies
Manufacturing
Leonhardt provides design assistance, product improvement, and prototyping in addition to a full range of manufacturing and metal fabrication capabilities.

APPROACH TO MANUFACTURING

Leonhardt’s manufacturing approach is built around proven processes, tested capabilities, and consistent execution to deliver reliable products and dependable service.

Lean manufacturing models are developed and applied to every product we produce. Our tube bending, welding and metal fabrication capabilities are continually improved upon and performed to ISO Certification and AWS standards. Quality enforcement at every stage of manufacturing is essential to maintaining world-class performance.

What makes Leonhardt different?

Leonhardt is built around a customer-focused manufacturing model that prioritizes production readiness, process control, and responsiveness. Our teams align engineering, fabrication, and supply chain execution to support evolving production demands with consistency and control. Leonhardt offers customers:

 


 

Leonhardt works with customers to clearly define technical requirements, quality expectations, and production objectives prior to and throughout manufacturing. This alignment supports effective planning, risk identification, and consistent outcomes across production programs.

Leonhardt’s operations are structured to support complex manufacturing environments, where controlled change management, documented procedures, and cross-functional coordination are essential. Engineering, fabrication, finishing, and supply chain activities are aligned to maintain product conformity and delivery performance.

By integrating tube bending, fabrication, finishing, and assembly within a coordinated manufacturing system, Leonhardt reduces process variation, limits handoffs, and improves traceability. This integration supports consistent quality, improved efficiency, and reliable delivery.

Leonhardt focuses on long-term manufacturing partnerships built on accountability, process control, and continuous improvement. Our commitment to disciplined execution and performance measurement enables customers to rely on consistent results over the life of a production program.

APPLICATIONS

Markets
  • Energy & Power (Oil, Gas & Electric)
  • Engine & Power Generation
  • Data Centers & Communications
  • Defense & Aerospace
  • Transportation Equipment
  • Automotive
  • Construction & Agricultural Equipment
  • Powersports & Recreational Vehicles
  • Medical Equipment
  • Hospitality
  • Consumer Products & Components
Common Products Manufactured
  • Structural & Mechanical frames (sub weldments to complete weldments)
  • Power and Fluid Distribution Skids
  • Crane and heavy equipment parts, weldments and assemblies
  • Guards & barriers (machine/equipment; tube + sheet)
  • Rails, channels & rack members (long, linear supports)
  • Brackets, mounts & stiffeners (laser-cut, formed, tapped)
  • Steps, ladders & access systems
  • Carts, stands & bases
  • Vented covers & light airflow panels
  • Motorcycle & powersports components (engine/highway bars, saddlebag/luggage—consolidated)
  • Furniture & fixture frames (seating, backs, tubular structures)
  • Handles, grab bars & handrails (polished options)
  • Tubular assemblies

JOB STORIES

Defense-Grade Welded Assembly
Defense-Grade Welded Assembly: Front Grill Guard System Built to Spec

When a defense supplier required a complex welded assembly built to exacting military-grade standards, Leonhardt Manufacturing delivered. Through advanced tube bending, precision welding, and polished finishing, our team produced a structurally sound, visually flawless component ready for integration into a larger defense system. This project exemplifies Leonhardt’s ability to meet demanding defense requirements through Engineering for Manufacturing, rigorous quality planning, and total in-house control.

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contract-manufacturing-water-services
Leading U.S. Manufacturer Partners with Leonhardt for Contract Manufacturing Solution

Partnering with Leonhardt Manufacturing to find a contract manufacturing solution allowed one U.S. water service manufacturer reduced their supply base and produce a product that was competitive in quality and cost.

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Custom rail car seats from Leonhardt manufacturing
Outsourced Manufacturing for the Mass Transit Industry

After evaluating multiple contract outsourcing vendors, a leading manufacturer of passenger rail car seating chose Leonhardt Manufacturing as their preferred partner because they offered a complete suite of engineering, fabrication, welding, and polishing services delivering a turnkey solution.

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Industrial Crane Manufacturer Relies on Leonhardt for Welding and Manufacturing

When a leading industrial crane manufacturer required a partner to fabricate large structural jib assemblies, Leonhardt was selected for its proven production capability and established performance as a trusted supplier. Our documented quality systems, disciplined execution, and heavy-duty fabrication capacity ensured reliable delivery throughout the program.

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Testimonial from a Supplier of Consumer Gardening Products

Leonhardt Manufacturing's end-to-end services help consumer product brands at every stage of their manufacturing process. We proudly form long-lasting relationships delivering quality and value for our customers.

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AME Features Tour of Leonhardt Manufacturing’s LEAN Facility

Leonhardt Manufacturing was proud to be a featured stop for the Association for Manufacturing Excellence tour showcasing their excellence in LEAN manufacturing techniques including Value Stream Mapping, cellular manufacturing, Kanban, Poka-Yoke, and visual management.

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Why Outsource your Manufacturing to Leonhardt?

Outsourcing manufacturing to Leonhardt Manufacturing allows companies to reduce operational complexity, improve cost control, and strengthen production reliability while maintaining focus on their core business. By partnering with a U.S.-based manufacturer, customers benefit from shorter lead times, improved communication, and greater visibility into their production programs.

Leonhardt supports reshoring initiatives by providing integrated manufacturing capabilities, controlled processes, and consistent execution, helping customers manage risk, maintain quality standards, and adapt to changing production demands.

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