The Ohio Broach & Machine Co.
The Adams Company
Stoffel Polygon Systems, Inc.
Rush Gears, Inc.
Rathbone Precision Metals, Inc.
Omni Gear & Machine Corp.
Metro Sprocket & Gear, Inc.
Jinan Xin Ju Heng Auto Parts Co., Ltd.
Hunting Dearborn
Grob, Inc.
Gear Motions, Inc.

16 Involute Spline Manufacturers in 2024

This section provides an overview for involute splines as well as their applications and principles. Also, please take a look at the list of 16 involute spline manufacturers and their company rankings. Here are the top-ranked involute spline companies as of April, 2024: 1.Metro Sprocket & Gear, Inc., 2.Goang-Chyan, 3.Gear Motions, Inc..

Table of Contents

List of 16 Involute Spline Manufacturers

*Including some distributors, etc.

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  • United States of America
  • China
  • Taiwan
  • United Kingdom
    • The Ohio Broach & Machine Co.
      • United States of America Address: 35264 Topps Industrial Pkwy., Willoughby, Ohio, United States of America

      Manufacturer Overview

      The Ohio Broach & Machine Co., Established in 1956, is a custom manufacturer of broaching machines, cutting tools, holders, and fixtures. Horizontal internal machines, twin ram vertical machines, heavy-duty vertical machines, vertical surface machines, and table-up broaching machines are among the broaching machines. The Willoughby, Ohio-based company provides broach machine services such as rebuilding, contract production, welding & repair, troubleshooting, and 24-hour emergency sharpening. The markets served are the Automotive, defense, oil & gas, guns, and aerospace industries. The company has obtained ISO 9001:2015 accreditation.

    • The Adams Company
      • United States of America Address: 8040 Chavenelle Road, Dubuque, Iowa, United States of America

      Manufacturer Overview

      The Adams Company was established in 1883 and is located in Dubuque, Iowa, United States is a manufacturer of custom gears, shafts, and power transmission parts for various industrial and commercial applications. The company produces straight bevel, helical, spur & worm gears along with power transmission parts including sprockets, couplings, clutches & shafts that have applications in agriculture&construction machinery manufacturing industry, oil recovery equipment, winches, and industrial pumps. They also offer services including CNC blanking, hobbing, shaping, vertical machining, and gear shaving that are needed in the thread grinding, broaching, milling, tapping, and deburring systems.

    • Stoffel Polygon Systems, Inc.
      • United States of America Address: 199 Marbledale Road Tuckahoe, New York, United States of America

      Manufacturer Overview

      Stoffel Polygon Systems, Inc., established in Duluth, Georgia in 1981 is a manufacturer of polygon connections. The company's product range includes CNC Machined Parts, 3D Printed Prototypes, Injection Molded Parts and sheet metal components fabricated to precise specifications. The company serves industries such as Oil and Gas, Aerospace and Defense, Automotive and Transportation, Construction, and Power Generation. The company also provides services including Surface Grinding, Polygon Grinding, Cylindrical Grinding, technical support and customer service.

    • Rush Gears, Inc.
      • United States of America Address: 550 Virginia Drive, Fort Washington, Pennsylvania, United States of America

      Manufacturer Overview

      Formerly known as the Globe Gear Company and founded in 1919, Rush Gear Inc. is a manufacturer of custom gears for industrial and commercial applications. Rush Gear's facility is equipped with gear manufacturing technology, including CNC gear cutting machines, gear hobbing machines, and gear shaping machines. The company produces gears in a range of sizes, from small precision gears to large industrial gears that serve thousands of applications across industries such as agriculture, machine shops, manufacturing, robotics, and many more.

    • Rathbone Precision Metals, Inc.
      • United States of America Address: 1241 Park Street, Palmer, Massachusetts, United States of America

      Manufacturer Overview

      Rathbone Precision Metals, Inc. established in Palmer, Massachusetts, in 1905 is a manufacturer of Cold Rolled Profiles, Cold Drawn Profiles, Shaped Wire, and Profiles. The company's product portfolio includes Cold Drawn Alloy Steel Gas Key for the Firearms Industry, Cold Rolled Steel Turbine Seal for the Power Generation Industry, Cold Drawn Carbon Steel Gear Profile for the Heavy Equipment Industry and Cold Drawn Stainless Steel Orthopedic Rods for the Medical Industry. The company serves markets including power generation, firearms, computer, medical, oil exploration and lawn and garden markets.

    • Omni Gear & Machine Corp.
      • United States of America Address: 90 Bissel Street Joliet, Illinois, United States of America

      Manufacturer Overview

      Omni Gear & Machine Corp, since 1988, has been a manufacturer of precision-machined custom gears such as spurs, helical, clusters, worms, and sprockets out of materials such as brass, plastic, bronze, alloys, and fiber. The products have applications in graphical arts, food equipment, corrugated box and bag manufacturing, material handling, and custom machines. The Joliet, IL-based company offers customized gear fabrication, machining, shaping, gear grinding, and frequent product inspection during and after production.

    • Grob, Inc.
      • United States of America Address: 1731 10th Avenue, Grafton, Wisconsin, United States of America

      Manufacturer Overview

      Grob, Inc., established in 1929, and headquartered in Grafton, Wisconsin, is a manufacturer of custom metalworking equipment and components. Their custom products, includes band saws, cold rolled steel products, blade welders, heat exchangers, and custom machine tools, that cater to industries like industrial manufacturing, machinery manufacturing, and manufacturing. Grob, Inc. is known for their quality machines that enhance productivity and accuracy in cutting and machining processes. They are ISO 9001:2015 certified, ensuring to provide stringent quality standards and excellent industrial solutions.

    • Gear Motions, Inc.
      • United States of America Address: 1750 Milton Avenue, Syracuse, New York, United States of America

      Manufacturer Overview

      Gear Motions is a custom gear manufacturer for global OEMs. Founded in 1960 and headquartered in Syracuse, New York, with additional locations in Buffalo and Oliver Springs, Gear Motions has grown significantly since its founding. Initially a ten-man company serving primarily in the New England Area, they have since expanded through acquisitions of companies such as Nixon Gear, Gear Supply and Broaching, and Pro-Gear Co Inc. The company provides custom gear solutions for various custom and precision applications, offering products such as ground helical gears, spur gears, pump gears, timing pulleys, shafts and splines.

    • Dayton Gear & Tool
      • United States of America Address: 500 Fame Road, Dayton, Ohio, United States of America

      Manufacturer Overview

      Dayton Gear, founded in 1946 and headquartered in Dayton, Ohio, is a manufacturer specializing in gears, pinions, and related products. Their diverse product range includes spur gears, helical gears, bevel gears, worm gears, racks, as well as pinions, gear housings, gear couplings, and gear reducers. Dayton Gear produces custom-designs gears to meet specific customer requirements, and cater to various industries, including automotive, aerospace, industrial, and agricultural. Their state-of-the-art manufacturing facility equipped with modern CNC machines allows them to offer additional services like gear repair, rebuilding, and inspection.

    • Circle Gear & Machine Co., Inc.
      • United States of America Address: 1501 South 55th Court, Cicero, Illinois, United States of America

      Manufacturer Overview

      Circle Gear & Machine Co., Inc., established in 1951 and based in Illinois, USA, is a manufacturer of gears and gearboxes. The company manufactures a range of gears including bevel, helical and worm gear for automotive, construction, chemical and other industries. It provides reverse engineering for gear and gear boxes, from worn samples, prints or sketches, along with rebuild, repair and emergency services. The company has a quality management system in compliance with ISO 9001:2015, and has a complete inspection lab with CMM(Coordinate Measuring Machine).

    • Metro Sprocket & Gear, Inc.
      • United States of America Address: 1258 Eastgate Rd, Midlothain, Texas, United States of America

      Company Overview

      Metro Sprocket & Gear, Inc. was established in 1985 and headquartered in Midlothian, Texas. The company manufactures custom gears, sprockets, and prototype parts used in agricultural machinery, construction equipment, power transmission equipment, machine tools, and other applications. The company’s product segments include splines and custom, helical, plastic, and worm gears. The company’s custom servicing options include several CNC and milling. Heat treating, milling, surface grinding, and other alteration options are also available.

    • Hunting Dearborn
      • United Kingdom Address: 5th Floor, 30 Panton Street, London, United Kingdom

      Manufacturer Overview

      Hunting Dearborn is an American contract manufacturer specializing in drilling and machining services originally established in 1960 as Dearborn Precision Tubular Products, Inc. before its acquisition by Hunting PLC in 2008. Based in Fryeburg, Maine, the company is equipped with a range of precision capabilities for tubular components fabrication, including deep bore and gun drilling to produce wire ways or fluid passages to various depths and tolerances. It also offers CNC machining capabilities (e.g. EDM, milling) as well as print part manufacturing and surface treatment services. Hunting Dearborn primarily serves clients in the power generation, space exploration, aerospace, and defense sectors.

      • China Address: No. 789, Shenhua Rd., Xihu, Hangzhou, Zhejiang, China

      Manufacturer Overview

      EP Shaft Collar Co., Ltd. is a manufacturer, supplier, and exporter of mechanical products based in Hangzhou, Zhejiang, China. The company offers gearboxes and reducers to control the speed and torque of rotating shafts, sprockets used in chain and belt drive systems, industrial and conveyor chain, belts, and screw air compressors. Gears, racks, gearboxes, motors, and many other products are also available. Its products cater to a broad range of industries, including manufacturing, construction, transportation, and automation, serving various purposes related to power transmission, motion control, and mechanical operations.

    • Goang-Chyan
      • Taiwan Address: No.178, Jialao Rd., Caotun Township, Nantou County, Taiwan

      Manufacturer Overview

      Goang-Chyan Co., Ltd., founded in 1970 and headquartered in Nantou County, Taiwan, is a manufacturer of various gears and related products. Its product portfolio includes spur gears, helical gears, gear racks, as well as inner gears, and spiral bevel gears. These precision-engineered components serve a diverse range of industries, including automotive, agriculture, construction, aerospace, and home appliances. The company has achieved ISO 9001 certification, highlighting its adherance to quality in gear manufacturing.

    • American Gear, Inc.

      Manufacturer Overview

      American Gear, Inc., since 1990, has been a manufacturer of fine and medium pitch gears and accessories such as worms, timing pulleys, involute splines, segments, and ratchets. The gear types are spur, helical, straight bevel, and miniature gears serving the aviation, commercial, film, office, and hobbyist industries. The company Prophetstown, IL, offers machining services such as CNC milling & turning, screw machining, heat hobbing & shaping, heat resting, and finishing services. The company produces products with ISO 9000 standards and is an American Gear Manufacturers Association member.

    • Jinan Xin Ju Heng Auto Parts Co., Ltd.

      Manufacturer Overview

      Jinan Xin Ju Heng Auto Parts Co., Ltd., established in 2005 and situated in Jinan, Shandong, China, is a manufacturer and supplier of auto parts. Formerly known as Jinan Shun Cheung Auto Parts Co., Ltd., and rebranded as Jinan Xin Ju Heng Auto Parts Co., Ltd. in 2010. The company specializes in providing replacement parts such as gear box parts, chassis parts, and engine parts for several truck brands such as Foton, Shacman, FAW, and Weichai. These components are serving spanning more than 20 countries, and some of its main markets include China, Saudi Arabia, Sudan, and the CIS countries.

Involute Spline Manufacturer Ranking

*Including some distributors, etc.

Derivation Method

The ranking is calculated based on the click share within the involute spline page as of April 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.

Number of Employees

Newly Established Company

  1. Jinan Xin Ju Heng Auto Parts Co., Ltd.: 2005 (19 years ago)
  2. American Gear, Inc.: 1990 (34 years ago)
  3. Goang-Chyan: 1970 (54 years ago)

Company with a History

  1. Rathbone Precision Metals, Inc.: 1905 (119 years ago)
  2. The Ohio Broach & Machine Co.: 1956 (68 years ago)
  3. Goang-Chyan: 1970 (54 years ago)

Involute Spline Manufacturers in United States

*Including some distributors, etc.

Global Distribution of Involute Spline Manufacturers by Country

*Including some distributors, etc.

Country Number of Companies Share (%)
United States of America United States of America 11 78.6%
United Kingdom United Kingdom 1 7.1%
China China 1 7.1%
Taiwan Taiwan 1 7.1%

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