O-M Manufacturing Co.
O-M Manufacturing Co. is a Japanese machine tool maker founded in 1920 that designs and builds CNC vertical lathes and turning centers for heavy industries including railway, aerospace, power generation, oil and gas, and construction machinery, operating manufacturing plants in Japan and wholly-owned sales subsidiaries in the US and China.
- Company typePublic
- Founded1920
- HeadquartersOsaka-shi, Japan
- Headcount251–500
- GTM typeB2B
- OfferingHardware or Manufacturing
What O-M Manufacturing Co. does
O-M Manufacturing Co. (株式会社オーエム製作所) is a Japanese machine tool manufacturer founded in 1920, specializing in CNC vertical lathes and turning centers used for large-scale, heavy, and difficult-to-machine workpieces. Its product range spans table diameters from Ø800mm to Ø6,500mm and includes the flagship VTLex semi-custom series, Neo-EX/Neo-DX catalog-option machines, the compact RT Series, custom compound/large vertical lathes, and CNC floor-type railway wheel lathes developed under technology transfer from Hegenscheidt-MFD. Group subsidiaries (O-M Machinery, OMK, OMTEC) extend the portfolio into automatic packaging machinery, cast iron parts and small machine tools, and ancillary services. Differentiators highlighted by the company include thermal deformation countermeasures via left-right symmetrical column structures, the VTLex1600GT's 60,000 N cutting force and 40,000 Nm torque, and a 3-year domestic warranty for vertical lathes and turning centers.
The company serves heavy industrial customers in railway, aerospace, power generation, oil and gas, construction machinery, bearing, valve/pump, and elevator segments, and holds No.1 domestic market share in railway wheel lathes with more than 6,500 vertical lathe units shipped cumulatively. It operates two manufacturing plants (Nagaoka and Matsue/Shinji), four regional Japanese sales offices, a domestic call center, the Harima Technical Center for engineering/R&D, and wholly-owned sales/service subsidiaries O-M (U.S.A.), Inc. (est. 2004) and O-M Shanghai Co., Ltd. (est. 2012). It has been listed on the Tokyo Stock Exchange First Section since 1971 and has been a wholly-owned subsidiary of Daiwabo Holdings Co., Ltd. since 2011.
Revenue is generated primarily through custom-order hardware sales of machine tools, complemented by aftermarket technical support, spare parts, and call center services. Pricing is project-based and not publicly disclosed; the company sells primarily via direct enterprise field sales in Japan and through its US and China subsidiaries internationally, with lead generation supported by participation in major trade shows (JIMTOF, IMTS, CIMT, Mecatoretech, Railway Technology Expo). Consolidated sales were 14.4 billion yen as of March 31, 2026, with a consolidated workforce of approximately 520 employees.
O-M Manufacturing Co. firmographics
Firmographics- Name
- O-M Manufacturing Co.
- Legal name
- 株式会社オーÉM製作所
- Website
- https://omltd.co.jp
- Company type
- Public
- Founded year
- 1920
- Operating status
- Operating
- Headcount range
- 251–500 employees
- Short description
- O-M Manufacturing Co. is a Japanese machine tool maker founded in 1920 that designs and builds CNC vertical lathes and turning centers for heavy industries including railway, aerospace, power generation, oil and gas, and construction machinery, operating manufacturing plants in Japan and wholly-owned sales subsidiaries in the US and China.
- Ownership category
- akta.pro rank
O-M Manufacturing Co. industry classification
Industry- Product category
- Industrial Machine Tools
- NAICS
- Machine Tool Manufacturing (333517)
- SIC
- Special Industry Machinery, Nec (3559)
- akta.pro primary industry
- CNC Machine Tools (Turning, Milling, Machining Centers) (IMAHADAA)
Keywords
Where O-M Manufacturing Co. is headquartered
LocationHeadquarters
- HQ city
- Osaka-shi
- HQ country
- Japan
- HQ region
- Asia
Offices9 records
Markets served
O-M Manufacturing Co. business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Machine Tool Sales: Manufacture and sale of CNC vertical lathes, turning centers, and railway wheel lathes. Products are custom-ordered based on customer specifications with various options. Revenue from large-scale industrial equipment with long sales cycles.
- Aftermarket Services and Support: Technical support, maintenance, spare parts, and call center services for installed machinery. Call center provides assistance for troubleshooting and parts ordering.
- Custom Machine Manufacturing: Custom-made machines including composite vertical lathes and large machines for specific customer requirements.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | VTLex Series - Semi-custom vertical lathes with extensive options |
| Other | Multi-year contract | Neo-EX/Neo-DX Series - Catalog option machines |
| Other | Multi-year contract | RT Series - Compact vertical lathes |
| Other | Multi-year contract | 3-Year Warranty Extension |
Go-to-market motion2 records
Distribution channels5 records
Marketing channels6 records
O-M Manufacturing Co. product offering
Product offeringCore offering
O-M Manufacturing Co. (株式会社オーエム製作所) designs, manufactures, and sells CNC vertical lathes, turning centers, railway wheel lathes, and custom-made large-scale machine tools to heavy industrial customers (railway, aerospace, power generation, oil & gas, construction machinery, bearings, valves/pumps). The company also produces automated packaging machinery through its subsidiary O-M Machinery Ltd. and provides after-sales technical support, spare parts, and call center services. Products are custom-ordered based on customer specifications, with table diameters ranging from ø800mm to ø6500mm and maximum workpiece capacities up to 30,000 kg.
Product overview
O-M Manufacturing Co. (株式会社オーエム製作所) operates as a holding/parent company for a group of manufacturing companies. The core business is development, manufacturing, and sales of machine tools, primarily vertical lathes and turning centers. The main product portfolio includes: VTLex Series (flagship semi-custom vertical lathes with thermal deformation countermeasures), Neo-EX Series (medium-size turning centers), Neo-DX Series (large-size turning centers), RT Series (compact space-saving vertical lathes), Custom-Made Machines (large and compound multi-tasking vertical lathes), and Railway Wheel Lathes (CNC floor-type machines for railway wheel maintenance). The group also includes O-M Machinery (automatic packaging machines for food/pharmaceutical/cosmetic industries) and O-M Metal Industries (casting, machining, and assembly of cast iron parts and small machine tools). Products are characterized byMade-to-order production with a focus on rigidity, durability, precision, and customized solutions for industries including aerospace, power generation, railway, oil and gas, construction machinery, and elevators.
Differentiator
Problem solved
Functional benefit
Products and services
- VTLex Series Semi-custom vertical lathes and CNC turning centers with extensive options for customer-specific configurations. Designed for heavy industries requiring high rigidity, accuracy, and thermal stability during sustained cutting operations.
- Neo-EX Series Medium-size vertical lathe and turning center series with catalog-based selected options, providing balance of rigidity, space efficiency, and configurable features for various machining applications.
- Neo-DX Series Large-size vertical lathe and turning center series based on general-purpose machine design with ample rigidity, featuring round-type covers and common head systems for excellent space efficiency.
- RT Series Compact space-saving vertical lathe and turning center series with wide machining areas and outstanding operability, offered with limited catalog options for small-size applications.
- Custom-Made Machines Large-size and multi-tasking vertical lathe machines built to customer specifications, including compound vertical lathes (複合型立旋盤) and large-scale custom configurations for unique industrial requirements.
- Railway Wheel Lathe (LUF-106) CNC floor-type railway wheel lathe for railway wheel maintenance and re-profiling, developed with technology transfer from Hegenscheidt-MFD using original design, components, and software. Holds No. 1 domestic railway industry track record.
Quantifiable outcome
- Railway wheel lathe market share: No.1 in domestic railway industry
- +3 more outcomes
Companies that use O-M Manufacturing Co.
Customer profileNamed customers8 records
Segments3 records
Ideal customer profiles2 records
O-M Manufacturing Co. technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature10 records
O-M Manufacturing Co. partnerships and signals
Strategic signalPartnerships
Four partnerships are on record, tiered minor and core.
- アルビレックス新潟 (Albirex Niigata)minorOfficial Club Partner sponsorship with J-League soccer team Albirex Niigata. Partnership renewed for 2026/27 season. Enhances brand visibility in Niigata Prefecture where Nagaoka factory is located. Company conducts joint events including company briefing sessions combined with match viewing at Big Swan Stadium.
- 島根スサノオマジック (Shimane Susanoo Magic)minorOfficial Partner sponsorship with Shimane Susanoo Magic basketball team. O-M Machinery subsidiary sponsorship for local visibility.
- O-M上海 / 欧安睦(上海)商貿有限公司 (O-M Shanghai Co., Ltd.)coreEstablished in 2012 as locally incorporated entity in China, upgraded from representative office established in 2007. Serves as local sales and service organization with technical staff for O-M vertical lathe sales and brand enhancement in China.
- O-M (U.S.A.), INC.coreWholly-owned subsidiary established in 2004 in Illinois, USA, to strengthen North American sales organization for vertical lathes. Previously distributed through sales agents with O-M engineers handling installation and service. Now handles local sales, installation, and after-sales service for aerospace, oil & gas, construction machinery, and elevator industries.
Scale indicators10 records
Recent moves9 records
Expansion highlights4 records
O-M Manufacturing Co. competitors and assessment
Company assessmentDirect peers
- Pietro Carnaghi: Italian manufacturer specializing in large vertical lathes and heavy-duty turning centers. Closest direct competitor in the very-large-workpiece vertical lathe niche (Ø2000mm+ table diameters), serving aerospace, energy, and heavy machinery.
- Nakamura-Tome Precision Industry: Specializes in CNC multi-axis lathes and turning centers, with comparable product philosophy around custom-configured precision machines. Direct competitor in the precision lathe market, particularly in aerospace and job shop segments.
- Doosan Machine Tools: Korean CNC machine tool maker with lathes and turning centers targeting global industrial markets. Comparable in product range and overlapping in Chinese and Asian enterprise customer base.
- Yamazaki Mazak: Major Japanese CNC machine tool manufacturer with a comprehensive turning center portfolio. Competes directly in heavy-industry markets with global manufacturing and service networks.
- DMG Mori: Global CNC machine tool leader offering vertical lathes and turning centers with overlapping large-workpiece capabilities. Direct competitor in aerospace, energy, and heavy-industry segments across Japan, Europe, and the Americas.
- Takisawa: Japanese CNC lathe manufacturer offering a portfolio of turning centers spanning small to large workpieces. Direct competitor in the same enterprise sales motion and Japanese customer base.
- Okuma Corporation: Japan-based CNC machine tool manufacturer with lathes, turning centers, and machining centers. Direct overlap in heavy-industry and aerospace customer segments within Japan and internationally.
- EMAG Group: German machine tool specialist with strong vertical turning and turning center offerings. Competes directly in large-workpiece precision turning for automotive, aerospace, and energy applications.
- INDEX-Werke: German manufacturer of CNC turning machines and turn-mill centers, with an emphasis on production turning. Comparable in offering high-precision turning centers with similar customization options.
Broad incumbents
- JTEKT Corporation: Diversified Japanese auto-parts and machine tool manufacturer (Toyoda brand). Broader incumbent with machine tool exposure but core revenue from automotive components, providing scale and balance-sheet advantages O-M lacks.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
O-M Manufacturing Co. social profiles
Digital presenceO-M Manufacturing Co. financial estimates
Financial estimateRevenue estimate
Valuation estimate
O-M Manufacturing Co. leadership team
Management profileNumber of profiles
Profiles9 records
O-M Manufacturing Co. subsidiaries and ownership
Company hierarchySubsidiaries5 records
O-M Manufacturing Co. funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
O-M Manufacturing Co. M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about O-M Manufacturing Co.
What does O-M Manufacturing Co. do?
O-M Manufacturing Co. (株式会社オーエム製作所) designs, manufactures, and sells CNC vertical lathes, turning centers, railway wheel lathes, and custom-made large-scale machine tools to heavy industrial customers (railway, aerospace, power generation, oil & gas, construction machinery, bearings, valves/pumps). The company also produces automated packaging machinery through its subsidiary O-M Machinery Ltd. and provides after-sales technical support, spare parts, and call center services. Products are custom-ordered based on customer specifications, with table diameters ranging from ø800mm to ø6500mm and maximum workpiece capacities up to 30,000 kg.
Is O-M Manufacturing Co. a public or private company?
O-M Manufacturing Co. is a public company. It is classified as corporate owned and is currently operating.
When was O-M Manufacturing Co. founded?
O-M Manufacturing Co. was founded in 1920. It employs 251 to 500 people.
Where is O-M Manufacturing Co. based?
O-M Manufacturing Co. is headquartered in Osaka-shi, Japan, in the Asia region.
How does O-M Manufacturing Co. make money?
Three revenue lines are on record. Machine Tool Sales are the primary driver. The others are aftermarket Services and Support and custom Machine Manufacturing.
Who are O-M Manufacturing Co.'s main competitors?
Direct peers on record are Pietro Carnaghi, Nakamura-Tome Precision Industry, Doosan Machine Tools, Yamazaki Mazak, DMG Mori, Takisawa, Okuma Corporation, EMAG Group and INDEX-Werke. JTEKT Corporation is listed as a broad incumbent.
Does O-M Manufacturing Co. have an API?
No public API is recorded for O-M Manufacturing Co..
What industry is O-M Manufacturing Co. in?
O-M Manufacturing Co.'s product category is Industrial Machine Tools. Its primary akta.pro industry code is IMAHADAA, CNC Machine Tools (Turning, Milling, Machining Centers). Its NAICS code is 333517 and its SIC code is 3559.