Koyo Machinery

What Koyo Machinery does

Koyo Machinery is a privately held US manufacturer of grinding machines, founded in 1991 and headquartered in Plymouth, United States. The company operates as a small industrial equipment specialist with 11-50 employees, supplying grinding machinery solutions to industrial customers. The company's website (koyomachinery.com) was inaccessible during data collection, and no first-party product, technology, or business-model disclosures were available in the provided source material.

No company-specific information on product portfolio, technology stack, distribution channels, customer segments, pricing model, or revenue mechanics was captured. The only contextual data available relates to three adjacent industrial equipment markets in which Koyo could plausibly participate: the global precision ball screw market (projected to grow from $1.7B in 2020 to $3.2B by 2032 at 5.5% CAGR), the global silicon carbide wafer lapping and polishing machine market (projected to grow from $502M in 2024 to $1,395M by 2031 at 17.3% CAGR), and the global metalworking equipment market (projected to grow from $100.5B in 2025 to $159.62B by 2034 at 5.27% CAGR). However, these are industry-level figures and cannot be attributed to Koyo specifically.

There is no available data on the company's ownership structure, funding history, management team, partnerships, certifications, M&A activity, or operating geographies beyond the Plymouth, US headquarters. The investment-relevant picture of Koyo Machinery is therefore limited to its identity as a small, long-tenured US grinding machine manufacturer with no publicly disclosed financial or operational metrics.

Name

Koyo Machinery

Website

https://koyomachinery.com

Company type

Private

Founded year

1991

Headcount range

11–50 employees

Short description

Koyo Machinery is a privately held US grinding machine manufacturer founded in 1991 and headquartered in Plymouth, with 11-50 employees. It serves industrial customers with grinding machinery solutions.

Ownership category

akta.pro rank

Product category

Industrial Grinding Machines

NAICS

Metalworking Machinery Manufacturing (33351), Rolling Mill and Other Metalworking Machinery Manufacturing (333519)

SIC

Metalworkg Machinery & Equipment (3540), Machine Tools, Metal Cutting Types (3541)

akta.pro primary industry

Grinding, Honing & Superfinishing Equipment (IMAHADAE)

Keywords

• Grinding machines
• Metalworking equipment
• Industrial machinery
• Machine tools
• Precision grinding

Headquarters

HQ city

Plymouth

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Core offering

Koyo Machinery is a grinding machine manufacturer that produces industrial grinding equipment used in precision manufacturing and metalworking applications. Founded in 1991 and based in Plymouth, United States, the company supplies grinding machines to industrial buyers across manufacturing sectors including automotive, aerospace and defense, and other metalworking end-use industries. The company operates with 11–50 employees as a specialized producer of grinding machinery within the broader global metalworking equipment market.

Differentiator

Problem solved

Functional benefit

Products and services

• Grinding Machines

Segments3 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators3 records

Recent moves1 record

Expansion highlights1 record

Direct peers

• Okamoto Corporation: Japanese-founded manufacturer of surface, creep-feed, and double-disc grinding machines with US operations. Directly competes with Koyo in precision surface grinding for industrial customers.
• ANCA: Australian manufacturer specializing in CNC tool and cutter grinding machines. Directly comparable to Koyo as a privately held, grinding-machine-focused OEM with global reach.

Broad incumbents

• United Grinding Group (Studer, Walter, Schaudt, Mikrosa): Global leader in grinding machines across cylindrical, surface, tool, and creep-feed categories. Operates as a multi-brand incumbent that overlaps with Koyo's surface and precision grinding focus but serves a much broader customer base.
• JTEKT / Toyoda: Diversified automotive components and machine tool manufacturer; Toyoda brand produces cylindrical, cam, and surface grinding machines. Comparable to Koyo as a grinding machine producer serving automotive and industrial markets.
• Makino Milling Machine: Japanese-founded precision machine tool builder offering horizontal machining centers and specialized grinding machines. Competes with Koyo in the same precision metalworking capital equipment category.
• Amada Machine Tools: Major machine tool manufacturer with grinding, cutting, and forming product lines serving metalworking customers globally. Overlaps with Koyo in precision grinding solutions.
• Mitsubishi Heavy Industries (Machine Tool Division): Industrial conglomerate with a machine tool division producing grinding and EDM equipment. A broad incumbent serving similar automotive and aerospace precision machining end-markets as Koyo.

Regional players

• Haas Automation: US-based CNC machine tool manufacturer (lathes, mills, rotaries) — not a direct grinding competitor but serves the same US precision metalworking customer base and competes for similar mid-market capital budgets.

Emerging players

• Precision Surfacing Solutions (Lapmaster Wolters): Specialty manufacturer of lapping, polishing, and fine-grinding equipment for precision surfaces. Comparable to Koyo in ultra-precision surface finishing, particularly relevant given SiC wafer lapping demand.

Others

• Norton | Saint-Gobain Abrasives (Grinding Solutions): Leading abrasives and grinding wheel supplier that serves as an upstream consumables partner to grinding machine OEMs like Koyo. Comparable as an adjacent player in the precision grinding value chain.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat2 records

Key risks5 records

Key highlights5 records

Customer concentration

• Xx.com/KoyoMachinery
• Facebookfacebook.com/KoyoMachineryUSA
• LinkedInlinkedin.com/company/koyo-machinery-u-s-a-inc-

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 Koyo Machinery