Trojon Gear

What Trojon Gear does

Trojon Gear, Inc. is a privately held, custom precision gear and spline manufacturer founded in 1957 and headquartered at 418 San Jose Street, Dayton, Ohio. The company produces external and internal spur gears, helical gears, worm gears, sprockets, belt pulleys, racks, and spline shafts, alongside complementary machining services including CNC turning, CNC milling, Swiss turning, broaching, outside-diameter grinding, and welding. Manufacturing is concentrated at a single Dayton facility with a small (11-50) employee footprint, supported by an in-house and growing inventory of broaches, hob cutters, and shaper cutters that enables short setup times and broad part coverage.

The company's go-to-market is sales-led and quote-based, with direct outreach via phone, email, and a website request form targeting aerospace, crane and hoist, OEM/construction/heavy equipment/mining, printing, food service, and medical OEMs. Aerospace is the primary vertical, gated by AS9100D quality certification (ANAB-accredited) renewed in December 2024 and ISO 9001:2015 certification; secondary verticals rely on the same quality framework. Revenue is generated transactionally through custom one-off and short-run purchase orders for prototypes and multi-unit production; pricing is per-quote, terms require prepayment from buyers inactive in the prior 12 months, and shipments are FOB plant — all of which point to a small-business, working-capital-light model with no recurring subscriptions, no platform layer, and no external institutional ownership.

Name

Trojon Gear

Legal name

Trojon Gear, Inc.

Website

https://trojon-gear.com

Company type

Private

Founded year

1957

Operating status

Operating

Headcount range

11–50 employees

Short description

Trojon Gear is a Dayton, Ohio-based custom precision gear and spline manufacturer, founded in 1957, serving aerospace, OEM, heavy equipment, medical, and industrial customers with AS9100D-certified gear cutting, CNC machining, broaching, and grinding.

Ownership category

akta.pro rank

Product category

Precision Gear Manufacturing

NAICS

Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing (333612), Machine Shops (332710)

SIC

Screw Machine Products (3451)

akta.pro primary industry

Metal Forming & Fabrication Machines (Presses, Bending, Shearing, Stamping) (IMAHADAC)

Keywords

• Precision gear manufacturing
• Custom gear cutting
• CNC machining services
• Spline shaft production
• Aerospace components

Headquarters

HQ city

Dayton

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, Marketing or Sales

Revenue model

1. Custom Precision Parts Manufacturing: One-time transaction-based revenue from custom gear, spline, shaft, and machining production runs ranging from single prototypes to multi-unit production. Revenue generated through direct quotes and purchase orders from aerospace, OEM, and industrial customers.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Trojon Gear manufactures custom and standard precision gears and machined parts, including external spurs, internal spurs, helical gears, worm gears, sprockets, belt pulleys, racks, and spline shafts. The company also provides in-house CNC turning and milling, Swiss turning, broaching, grinding, welding, and general machining services. Offerings range from single prototypes to multi-unit production runs for aerospace, OEM, construction, heavy equipment, mining, printing, food service, and medical customers.

Product overview

Trojon Gear is a precision gear manufacturing company that has operated since 1957, offering a comprehensive portfolio of custom and standard gear products including external spurs, internal spurs, helical gears, worm gears, sprockets, belt pulleys, racks, and spline shafts. The company provides complementary machining services including CNC turning, CNC milling, Swiss turning, grinding, broaching, and welding. Their products serve diverse industries including aerospace, crane and hoist, OEM/construction/heavy equipment/mining, printing, food service, and medical. The core offering centers on gear and spline cutting capabilities, with full in-house turning and machining capabilities enabling them to handle prototypes, short production runs, and large production orders.

Differentiator

Problem solved

Functional benefit

Products and services

• Spur Gears (External and Internal) External and internal spur gears manufactured to customer specifications. External spurs support face capability up to 8 inches, maximum outside diameter of 36 inches, and diametral pitch up to 72/3. Internal spurs support face capability up to 5 inches, maximum outside diameter of 34 inches, and diametral pitch up to 120/3. Sold to aerospace, OEM, construction, heavy equipment, and industrial customers.
• Helical Gears External helical gears with face capability up to 6 inches, used for smoother operation and higher load capacity compared to spur gears. Sold to aerospace, OEM, and industrial machinery manufacturers.
• Spline Shafts Custom spline shafts with face capability up to 56 inches, maximum outside diameter of 16 inches, and diametral pitch range of 72/3. Sold to aerospace, OEM, and industrial equipment manufacturers.
• Worm Gears Worm gears with face capability up to 8 inches and maximum outside diameter of 30 inches, providing high reduction ratios. Sold to industrial machinery manufacturers.
• Sprockets Sprockets with face capability up to 8 inches, outside diameter of 30 inches, and diametral pitch range of .25-1.25. Sold to industrial, mining, and heavy equipment customers.
• Belt Pulleys Belt pulleys with face capability up to 8 inches and diametral pitch range of .080/.875. Sold to industrial and OEM customers.
• Racks Spur and helical racks with face capability up to 2 inches, converting rotational motion to linear motion. Sold to industrial automation and OEM customers.
• CNC Turning and Milling Services Full in-house CNC turning (max outside diameter 20 inches), CNC milling (max table size 50x20x25 inches), and CNC Swiss turning (max outside diameter 13/16 inches) for custom parts and components per customer specifications.
• Grinding Services Outside diameter grinding services with maximum length of 12 inches for precision finishing of machined parts.
• Broaching Services Broaching services including hex, squares, and internal splines for creating complex internal profiles on machined components.
• Welding Services Welding services for assembly and fabrication of metal components to customer specifications.
• Custom Gear Cutting Custom gear cutting services for fine pitch, 3 pitch and up, in hob and shaper departments. Includes re-hobbing services to improve gear quality and reduce gearbox noise. Serves aerospace, OEM, and industrial customers.
• Internal and External Spline Cutting Spline cutting services for internal and external splines serving all types of industries. Includes breakdown service, production runs, and prototypes.

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Scale indicators2 records

Recent moves4 records

Direct peers

• Gear Motions: Precision cut and ground gear manufacturer serving aerospace, medical, and industrial markets with custom and standard gearing. Directly comparable to Trojon in product scope (spur, helical, worm gears), customer mix, and small-batch custom model.
• Precipart: Precision machined components and gear manufacturer serving aerospace, medical, and industrial markets. Overlaps Trojon in custom precision parts, gear cutting, and AS9100-quality customer requirements.
• Bison Gear & Engineering: Manufacturer of precision gears, gearboxes, and power transmission components for industrial and motion-control applications. Comparable in product category (gears and related transmission components) and target industrial OEM customers.
• Winzeler Gear: US-based custom gear manufacturer offering hobbing, shaping, broaching, and CNC machining. Closely matches Trojon's full in-house gear cutting and precision machining capability set, with similar aerospace/industrial customer orientation.
• Marshall Manufacturing: CNC precision machining and gear manufacturer serving aerospace, medical, and industrial OEMs. Comparable to Trojon in offering custom machined parts and gears to AS9100-certified customers with quote-based project work.
• Dorris Company: Specialty gear manufacturer producing custom gears, splines, and shafts for industrial and aerospace customers. Direct peer in custom precision gearing with overlapping capabilities in hobbing, shaping, and spline cutting.

Broad incumbents

• Regal Rexnord: Large industrial manufacturer of power transmission products including gears, gearboxes, bearings, and couplings. Operates in the same end-product category as Trojon but at global scale across many industrial verticals, including aerospace.
• Klingelnberg: Global specialist in gear technology, gear manufacturing machines, and high-precision gear components for automotive and industrial applications. Same product universe (precision gears) but operates as a much larger, technology-driven incumbent with its own machine tool business.
• SDP/SI (Stock Drive Products / Sterling Instrument): Established supplier of standard and custom gears, mechanical power transmission components, and motion control products. Comparable product portfolio (gears, splines, shafts) but operates at much larger scale with a broad catalog model supplementing custom work.

Emerging players

• Proto Labs (Protolabs Network): Digital manufacturing platform offering CNC machining and on-demand custom parts production. Competes with Trojon for custom machined component orders, particularly prototypes and short runs, but uses a software-driven automated quoting model rather than traditional sales-led relationships.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

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 Trojon Gear