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SIFCO Industries

A Cleveland-based industrial manufacturer of forged and machined metal components, primarily serving aerospace and energy customers.

Last updated August 31, 2026

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Overview

SIFCO Industries, Inc. is an industrial metal-component manufacturer headquartered in Cleveland, Ohio. The company traces its origins to 1913 and operates primarily in the production of forgings and machined components for aerospace and energy applications. Its manufacturing capabilities cover several demanding materials, including steel, stainless steel, titanium, and aluminum, allowing it to supply components used in aircraft engines, industrial and commercial gas turbines, airframes, landing systems, helicopters, and steam turbines. The company’s aerospace portfolio includes original-equipment and aftermarket components for aircraft and industrial gas-turbine engines, structural airframe parts, landing-gear components, aircraft wheels and brakes, and critical rotating components for helicopters. In the energy sector, SIFCO supplies components such as steam-turbine blades and other forged or machined parts used in power-generation equipment. It also produces commercial and industrial components outside these core applications. SIFCO’s business model combines forging, heat-treatment-related manufacturing capabilities, and precision machining. Forging enables the production of high-strength components with material properties suited to safety-critical applications, while machining brings parts to the dimensional and surface specifications required by original-equipment manufacturers and aftermarket customers. The company’s customer base includes major aerospace and propulsion manufacturers; in 2016, Rolls-Royce represented approximately 11% of SIFCO’s sales and United Technologies Corporation represented approximately 10%. SIFCO expanded its manufacturing footprint through acquisitions. In 2010, it acquired the forging business of T&W Forge, Inc. in Alliance, Ohio. In 2011, it acquired Quality Aluminum Forge in Orange, California, strengthening its capabilities in aluminum forging. The company has manufacturing facilities in Cleveland and Alliance, Ohio; Orange, California; and Maniago, Italy. These sites support its participation in geographically distributed aerospace and energy supply chains. In 2016, Peter Knapper became president and chief executive officer. Publicly available reference material identifies SIFCO as an active global metal-component manufacturer, but does not provide enough current information to establish its present ownership structure, website, stock-exchange status, or a complete current executive roster.

History

SIFCO Industries traces its roots to 1913 and developed as a manufacturer of forged and machined metal components. Over time, its activities became concentrated in technically demanding markets where component strength, reliability, and dimensional control are important, particularly aerospace and energy. The company works with steel, stainless steel, titanium, and aluminum and supplies both original-equipment and aftermarket applications. Its aerospace-related work encompasses aircraft and industrial gas-turbine engine components, structural airframe parts, landing-gear components, aircraft wheels and brakes, and rotating helicopter components. Its energy-related portfolio includes steam-turbine blades and other commercial and industrial components. This combination gives SIFCO exposure to both aviation production and aftermarket demand, as well as to power-generation and industrial equipment markets. A notable phase of expansion occurred through acquisitions. In 2010, SIFCO acquired the forging business of T&W Forge, Inc., located in Alliance, Ohio. The transaction added forging operations to SIFCO’s manufacturing network. In 2011, the company acquired Quality Aluminum Forge in Orange, California, broadening its aluminum-forging capabilities and geographic presence. SIFCO’s facilities are identified in Cleveland and Alliance, Ohio; Orange, California; and Maniago, Italy. The multi-site footprint supports the production of components for international aerospace and energy supply chains. The company’s customer relationships include major propulsion and aerospace manufacturers. In 2016, Rolls-Royce accounted for about 11% of sales, while United Technologies Corporation accounted for about 10%. Peter Knapper was named president and chief executive officer in 2016. The available reference material does not document later leadership changes, additional acquisitions, financial results, current ownership, or a definitive present-day listing status. Accordingly, those areas remain unspecified in this dossier.

  • 2016

    Peter Knapper appointed president and CEO

    [1]

    Peter Knapper was named president and chief executive officer.

  • 2011

    Acquisition of Quality Aluminum Forge

    [1]

    SIFCO acquired Quality Aluminum Forge in Orange, California, adding to its aluminum-forging capabilities.

  • 2010

    Acquisition of T&W Forge business

    [1]

    SIFCO acquired the forging business of T&W Forge, Inc. in Alliance, Ohio.

  • 1913

    Organizational roots established

    [1]

    SIFCO Industries traces its origins to 1913.

Products and positioning

A specialized supplier of forged and machined, safety-critical metal components for aerospace, turbine, propulsion, and industrial customers.

  • Aerospace forgings and machining

    Aerospace engine components

    SIFCO produces original-equipment and aftermarket forged and machined components for aircraft engines and industrial gas turbines. The parts are manufactured from materials such as steel, stainless steel, titanium, and aluminum and are intended for demanding propulsion environments.

  • Aircraft structural and landing components

    Airframe and landing-system components

    The company supplies structural airframe components, aircraft landing-gear components, and aircraft wheels and brakes. These products serve aircraft structures and landing systems where forged material performance and precision machining are important.

  • Energy and industrial components

    Turbine and power-generation components

    SIFCO manufactures components for energy and industrial equipment, including steam-turbine blades and parts for commercial and industrial gas turbines. The portfolio supports power-generation and other industrial applications requiring durable metal components.

  • Helicopter components

    Helicopter rotating components

    SIFCO produces critical rotating components for helicopters. These parts form part of the company’s aerospace offering and are manufactured for applications where strength, reliability, and controlled geometry are essential.

Brand decisions

  • 2016

    Appointment of Peter KnapperOther

    Background

    SIFCO changed its senior leadership in the course of operating its aerospace and energy component businesses.

    Action taken

    Peter Knapper was named president and chief executive officer.

  • 2011

    Acquisition of Quality Aluminum ForgeM&A

    Background

    SIFCO expanded its capabilities in aluminum forging and added a California manufacturing location.

    Action taken

    The company acquired Quality Aluminum Forge in Orange, California.

    Aftermath

    The transaction strengthened SIFCO’s aluminum-forging presence and broadened its production footprint.

  • 2010

    Acquisition of T&W Forge forging businessM&A

    Background

    SIFCO sought to expand its forging operations and manufacturing footprint in the United States.

    Action taken

    The company acquired the forging business of T&W Forge, Inc. in Alliance, Ohio.

    Aftermath

    The acquisition added an Alliance, Ohio forging operation to SIFCO’s network.

Sources1 sources

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