LeFiell Manufacturing

What LeFiell Manufacturing does

LeFiell Manufacturing Company is a US-based precision metal forming and machining company founded in 1930 in Los Angeles and headquartered in Santa Fe Springs, California. The company designs and manufactures metallic tubular parts and assemblies for commercial aircraft, defense, space launch, and select industrial customers. Its product portfolio is organized into three families — Power Plant (engine shafts, struts/thrust links, missile cases), Structural (control rods, torque tubes, complex assemblies), and Propulsion (rocket engine coolant tubes, APU rods) — supported by in-house metal forming (swaging, Roto-Draw®, Roll-Flo® flowforming, high-pressure forming, upset forging), machining (gundrilling up to 8.66" diameter and 157" length, 5-axis Mill-Turn CNC), and special processes (heat treating, NADCAP-certified NDT, digital inspection with Romer Arms). The company's competitive position rests on proprietary tube forming processes (Roto-Draw® for tapered nozzle coolant tubes and Roll-Flo® for variable-wall flowformed tubing up to 30 feet long), extensive special-process certifications (AS9100D, ISO 9001:2015, NADCAP for heat treating and NDT, Boeing D1-4426 process approvals), and nine decades of accumulated aerospace qualification. LeFiell has been an Employee Stock Ownership Plan (ESOP) structured as an S corporation since 1974, with approximately 120 employee-owners.

LeFiell operates as a tier-1/tier-2 build-to-print and supplier-engineered components manufacturer under a B2B enterprise sales motion. Pricing is quote-based through a web RFQ system with multi-year supply contracts underpinning revenue. The customer base is concentrated among a small set of blue-chip aerospace and defense OEMs — Boeing and Airbus on the commercial side, Pratt & Whitney-Raytheon, Aerojet Rocketdyne, and United Launch Alliance (ULA) on propulsion, Boeing Philadelphia for military rotorcraft and vertical lift, NASA for crewed spaceflight programs (Mercury through SLS), and Mitsubishi, Kawasaki, and Leonardo for regional/international aircraft. The company supplies sole-sourced thrust chamber tubes for major US and Japanese liquid rocket engines and has supplied most Boeing commercial aircraft platforms since the 1950s, creating deep switching-cost entrenchment with these accounts. No external institutional investors or parent company have been identified, and LeFiell has remained privately held throughout its 90+ year history.

Name

LeFiell Manufacturing

Legal name

LeFiell Manufacturing Company

Website

https://lefiell.com

Company type

Private

Founded year

1930

Operating status

Operating

Headcount range

51–100 employees

Short description

LeFiell Manufacturing is an employee-owned (ESOP) US precision metal forming company that designs and manufactures flight-critical metallic tubular parts and assemblies — including engine shafts, rocket coolant tubes, control rods, and missile cases — for Boeing, Airbus, NASA, and major defense and space OEMs.

Ownership category

akta.pro rank

Product category

Aerospace Precision Tubular Components Manufacturing

NAICS

Aerospace Product and Parts Manufacturing (33641), Other Aircraft Parts and Auxiliary Equipment Manufacturing (336413), Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing (336419)

SIC

Aircraft & Parts (3720), Aircraft Engines & Engine Parts (3724), Guided Missiles & Space Vehicles & Parts (3760)

akta.pro primary industry

Metal Airframe Structures & Machined Parts (IMABAEAC)

akta.pro secondary industries

Engine Modules & Hot-Section Components (Compressors/Turbines/Combustors) (IMABADAJ), Aerospace Landing Gear Components & Subsystems (IMABANAK)

Keywords

• Precision metal forming
• Aerospace tubular components
• Flight-critical machining
• Rocket engine coolant tubes
• Aerospace defense manufacturing

Headquarters

HQ city

Santa Fe Springs

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Precision Aerospace Components Manufacturing: LeFiell generates revenue through the manufacture and sale of precision metallic tubular parts, assemblies, and engineered components to commercial aircraft, aerospace, defense, and industrial customers. Revenue is derived from long-term contracts with major aerospace OEMs and defense contractors, producing flight-critical components including engine shafts, control rods, coolant tubes, missile cases, and structural assemblies.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels1 record

Core offering

LeFiell Manufacturing designs and produces precision metallic tubular parts and assemblies for commercial aircraft, aerospace, defense, and space launch applications. Core products include engine shafts, control rods, torque tubes, struts and thrust links, missile cases, rocket engine coolant tubes, APU rods, and complex multi-component assemblies, manufactured through proprietary metal forming processes (Roto-Draw, Roll-Flo flowforming) combined with NADCAP-certified heat treatment, non-destructive testing, machining, and design engineering services.

Product overview

LeFiell Manufacturing is a precision tubular parts and assemblies manufacturer serving the commercial aircraft, aerospace, defense, and industrial markets. Their product portfolio includes three core product categories: Power Plant (engine shafts, struts/thrust links, missile cases), Structural (control rods, torque tubes, complex assemblies), and Propulsion (coolant tubes, APU rods). These products are supported by four technology pillars: Metal Forming (swaging/flattening, Roll-Flo flowforming, Roto-Draw tube tapering, high pressure forming, upset forging), Machining (gundrilling/deep hole drilling, complex machining), Special Processes (heat treatment, NDT, inspection technologies), and Design Engineering. The company holds NADCAP certifications and Boeing process approvals, and maintains an ESOP ownership structure with approximately 120 employees.

Differentiator

Problem solved

Functional benefit

Products and services

• Control Rods Swaged and assembled control rod and structural rod assemblies for commercial aircraft, space, and defense applications, ranging from simple stow bin rods to complex load-bearing rods.
• Torque Tubes Precision-manufactured torque tubes for aircraft passenger door and cargo door applications, made from CRES or titanium bars with high strength requirements and precise OD/ID tolerances.
• Complex Assemblies Multi-component tubular assemblies with over 100 parts, integrating design, engineering, program management, supplier management, and final assembly for aerospace applications.
• Engine Shafts Flight-critical rotating shaft machined forgings certified to Flight Critical Rotating Shaft quality standards, supplied to engine OEMs and defense platforms.
• Struts/Thrust Links Monolithic nacelle struts, braces, and thrust links with optimized grain flow and weight reduction, manufactured from aluminum 7075, 15-5pH, or Inconel 718 materials.
• Missile Cases Lightweight, strong missile cases and guided munitions cases in various sizes, manufactured from aluminum and steel alloys using 5-axis Mill-Turn CNC machines.
• Coolant Tubes Rocket engine combustion chamber coolant tubes manufactured using proprietary Roto-Draw machines, used on Saturn, Atlas, Delta, Space Shuttle, SLS, and Japanese H2/H3 rockets.
• APU Rods Lightweight auxiliary power unit rods and strut assemblies made from corrosion-resistant steel, designed for high temperature, high vibration, and high stress environments.
• Swaging/Flattening Manufacturing Services Precision swaging and rotary forging services for tubing configurations from needle-size to 18 inches in diameter, supporting various aircraft alloys, stainless steels, nickel-based alloys, aluminum, and titanium.
• Flowforming/Roll-Flo Manufacturing Services Patented flowforming services producing variable wall and diameter tubing sections over hardened mandrels, holding precise tolerances over lengths up to 30 feet for diameters 1/2 inch to 23 inches.
• Tube Tapering/Roto-Draw Manufacturing Services Proprietary tube tapering services for manufacturing nozzle coolant tubes for liquid fuel rocket engines, producing tubing from 0.080 to 2.00 inch diameter with 0.006 to 0.030 inch wall over lengths up to 10 feet.
• High Pressure Forming Services Hydroforming services allowing tubes to form against custom-made dies, providing excellent repeatability and precision for various tubing configurations.
• Upset Forging Services Upset forging and expanded tubing services from raw bar material, with capacities up to 24 inches in diameter.
• Gundrilling/Deep Hole Drilling Services Deep hole drilling services for metallic materials up to 8.661 inches diameter and 157 inches long.
• Complex Machining Services Coordination of complex assemblies as a one-stop supplier for in-house and outsourced multi-level expansive BOM assemblies.
• Heat Treatment Services In-house thermal processing services including hydrogen annealing furnaces, vacuum annealing (10-feet capacity), gantry-type furnaces, electric solution treat and age furnaces, and inert atmosphere furnaces for alloy steels up to 35 feet long.
• Non-Destructive Testing (NDT) Services NADCAP certified NDT services including magnetic particle inspection and penetrant inspection with Level 3 personnel certification.
• Inspection Technologies Services Full range of inspection services including conventional equipment, climate-controlled rooms, and computer-controlled Romer Arms for digital inspection.
• Design Engineering Services Supplier-controlled design services combining FEA stress analysis, CAD design, and design for manufacturability leveraging LeFiell's process capabilities.

Quantifiable outcome

• Sole supplier of thrust chamber tubes for every major liquid engine produced in the United States and Japan
• +2 more outcomes

Named customers10 records

Segments3 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Ten partnerships are on record, tiered core and major.

• BoeingcoreStrategic or Co-development PartnerLong-term engineering and production partner supplying precision tubular parts and assemblies on most Boeing commercial aircraft platforms since the 1950s, including 707 and continuing through current platforms. Also supplies flight-critical components for Boeing military aircraft programs including P8 Maritime Surveillance aircraft and KC-46A Pegasus Tanker.
• AirbuscoreStrategic or Co-development PartnerLong-term engineering and production partner on Airbus aircraft programs, providing precision tubular components for commercial aircraft platforms.
• Aerojet RocketdynecoreStrategic or Co-development PartnerPioneered tapered thin-wall stainless steel venturi tubing for Rocketdyne F-1 and J-2 rocket engines in 1958. Continues as key supplier for propulsion components including coolant tubes for rocket engines.
• Raytheon-Pratt & WhitneycoreStrategic or Co-development PartnerProud industrial partner for the advanced Geared Turbofan Engine (GTF) program leading propulsion industry in jet engine turbine operational efficiency for modern commercial aircraft.
• Boeing PhiladelphiacoreStrategic or Co-development PartnerLong-standing industrial partnership with Boeing Philadelphia manufacturing flight-critical control link assemblies for vertical lift aircraft including Chinook Helicopter program.
• Mitsubishi Heavy IndustriesmajorStrategic or Co-development PartnerLong-term engineering and production partner on Mitsubishi aircraft programs.
• Kawasaki Heavy IndustriesmajorStrategic or Co-development PartnerAircraft program partnership for commercial and aerospace applications.
• United Launch Alliance (ULA)coreStrategic or Co-development PartnerEngine nozzle coolant tubes remain critical components on ULA Atlas and Delta rockets.
• NASAcoreStrategic or Co-development PartnerComponents used on Mercury, Gemini, Apollo spacecraft, Space Shuttle, and now Space Launch Systems (SLS) for crewed deep space flight. NASA and subcontractors discovered benefits of LeFiell's innovative metalworking processes for first manned spaceflights.
• LeonardomajorStrategic or Co-development PartnerAircraft program partnership for aerospace applications.

Scale indicators3 records

Recent moves8 records

Expansion highlights4 records

Direct peers

• Barnes Aerospace: Barnes Aerospace Division manufactures precision machined components, tubular parts, and complex assemblies for aerospace and engine OEMs. It is one of the closest direct comparables to LeFiell given its focus on flight-critical tubular and machined components for commercial and defense programs.
• Senior plc: Senior plc designs and manufactures high-precision engineered components, including fluid conveyance, aerostructures, and propulsion sub-assemblies for aerospace and defense. Overlap with LeFiell is strongest around precision tubular parts and assemblies serving engine and airframe OEMs.
• Magellan Aerospace: Magellan Aerospace produces complex fabricated assemblies, precision machined components, and engine programs for commercial and defense customers. Its mix of tubular fabrications, machined structural parts, and propulsion assemblies closely parallels LeFiell's power-plant/structural/propulsion portfolio.

Broad incumbents

• Howmet Aerospace: Howmet is a global aerospace supplier of engineered metal products including forged engine components, airframe structures, and fastening systems. While much larger, it competes in overlapping precision-metal and engine-component adjacencies to LeFiell across both commercial and defense aerospace.
• Triumph Group: Triumph designs, engineers, manufactures, repairs, and overhauls aerospace structures, components, and systems. Its Aerostructures and Product Support segments overlap with LeFiell's structural rod, strut, and complex assembly work for major airframe and engine OEMs.
• Precision Castparts Corp (Berkshire Hathaway): PCC is a major supplier of complex metal components and products, including investment castings and forgings for aerospace and industrial gas turbine markets. Its forged airframe and engine parts are comparable in function to LeFiell's flight-critical rotating shafts and tubular components.
• Spirit AeroSystems: Spirit AeroSystems is a tier-1 aerostructures supplier to Boeing and Airbus producing fuselage, wing, and propulsion structures. While much larger and at the assembly platform level, it shares Boeing/Airbus customer dependence and complex-assembly DNA with LeFiell.

Emerging players

• Hexcel Corporation: Hexcel is a leader in advanced composites for aerospace, though it overlaps with LeFiell mainly at the structural components and assemblies level where metallic and composite solutions can compete. Useful as an adjacency on airframe structural and propulsion-related parts.

Regional players

• Stelia Aerospace (Airbus Atlantic): Stelia, now part of Airbus Atlantic, designs and manufactures aerostructures and metallic and composite parts for civil and military aircraft. Most comparable in the Airbus-side tubular/structural and assembly segment that drives a portion of LeFiell's European content.

Others

• MHD-Rockwell Automation / All Metals & Forge Group: Specialty forging and machining supplier serving aerospace, defense, and industrial markets with custom metal components. Comparable as a custom metallurgical supplier adjacent to LeFiell's tubular forming and forging capability, though it operates at a broader industrial scope.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/lefiell-manufacturing

Compliance5 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 LeFiell Manufacturing