Rathburn Tool & Manufacturing

What Rathburn Tool & Manufacturing does

Rathburn Tool & Manufacturing, operating as Rathburn Precision Machining, is a contract precision machining company headquartered in Auburn, Indiana, founded in 1983 and structured as a division of Three Daughters Corporation. The company provides CNC turned and milled components for customers in the automotive, aerospace, defense, and broader industrial sectors (rail, construction, agriculture, heavy equipment, fluid control, audio visual, recreation, furniture, and fasteners). Its operational footprint is a single centrally located facility in Auburn, Indiana, with a workforce of 11-50 employees.

The company's core offering is contract precision machining built on a combination of automation and experienced personnel. Service scope spans drawing development, first article qualification, process qualification, and scaling to full production volumes, with explicit capability for reshoring transitions from overseas suppliers. The business is differentiated by certifications including ISO 9001:2015, IATF 16949:2016 (automotive), ITAR registration, and CMMC Level 2 self-assessment, plus Women Owned status through the Women's Business Enterprise National Council. Operational performance is reported at <1% internal scrap rate and >97% on-time delivery. Technology positioning centers on proprietary manufacturing processes and 'managed scale' rather than disclosed patents or proprietary software platforms.

Rathburn operates a sales-led, direct B2B go-to-market, with no channel partners or resellers. Pricing is quote-based, driven by customer RFQ submission; contract values are not publicly disclosed. The single disclosed capital inflow is a $170,000 grant from the Indiana Economic Development Corporation in June 2022, consistent with a state job-creation or training incentive rather than institutional investment. Marketing is content-led through the company website and blog across eight editorial categories, with no active social media or paid acquisition evident in the data.

Name

Rathburn Tool & Manufacturing

Legal name

Three Daughters Corporation

Website

https://rathburntool.com

Company type

Private

Founded year

1983

Operating status

Operating

Headcount range

11–50 employees

Short description

Rathburn Tool & Manufacturing is a contract precision machining shop in Auburn, Indiana that produces CNC turned and milled components for automotive, aerospace, defense, and industrial customers. Founded in 1983, it operates as a division of Three Daughters Corporation with 11 to 50 employees.

Ownership category

akta.pro rank

Product category

Precision Machining

NAICS

Metalworking Machinery Manufacturing (33351)

SIC

Screw Machine Products (3451)

akta.pro primary industry

CNC Machine Tools (Turning, Milling, Machining Centers) (IMAHADAA)

Keywords

• Precision machining services
• CNC turned parts
• CNC milled components
• Contract manufacturing
• Defense and aerospace machining

Headquarters

HQ city

Auburn

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Contract Precision Machining: Contract machining services providing precision-machined components to automotive, aerospace, defense, and industrial customers. Services include drawing development, first articles, process qualification, and scaling to full production volumes.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Rathburn Precision Machining provides contract precision machining services, producing CNC turned and milled components for automotive, aerospace, defense, and broader industrial customers. Engagements begin with drawing development and first article qualification and progress through process qualification to full production volumes. The company combines proprietary manufacturing processes with automation and experienced teams to deliver consistent quality, supporting reshoring from overseas suppliers.

Product overview

Rathburn Precision Machining is a contract machining company that provides precision-machined solutions through a combination of automation technology and experienced teams. The company offers CNC turned and milled parts manufacturing, drawing development, first article qualification, process qualification, and scaling to full production volumes. The core offering is precision contract machining services with proprietary processes for consistent quality and cost efficiencies.

Differentiator

Problem solved

Functional benefit

Products and services

• Precision Machined Solutions Contract precision machining services delivering consistent CNC turned and milled components for automotive, aerospace, defense, and industrial customers. The engagement spans drawing development, first article qualification, process qualification, and scaling to full production volumes, leveraging proprietary processes combined with automation and experienced teams.

Quantifiable outcome

• <1% internal scrap rate
• +1 more outcomes

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Scale indicators2 records

Recent moves7 records

Expansion highlights5 records

Market position

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/RathburnTool

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds1 record

Investors1 record

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 Rathburn Tool & Manufacturing