---
title: Contract Manufacturer – Precision Parts & Assemblies | SourceOne Solutions
description: SourceOne Solutions for precision parts, custom assemblies and design/build services. 20+ years of engineering expertise, quality assurance, and personalized service.
---

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- [About Us](https://www.soneinc.com/about)
- [Parts Sourcing](https://www.soneinc.com/parts-sourcing)
- [Contract Assembly](https://www.soneinc.com/contract-assembly)
- [Design/Build](https://www.soneinc.com/design-build)
- [Why Us](https://www.soneinc.com/why-sourceone)
- [Contact Us](https://www.soneinc.com/contact-us)

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- [About Us](https://www.soneinc.com/about)
- [Parts Sourcing](https://www.soneinc.com/parts-sourcing)
- [Contract Assembly](https://www.soneinc.com/contract-assembly)
- [Design/Build](https://www.soneinc.com/design-build)
- [Why Us](https://www.soneinc.com/why-sourceone)
- [Contact Us](https://www.soneinc.com/contact-us)

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- [About Us](https://www.soneinc.com/about)
- [Parts Sourcing](https://www.soneinc.com/parts-sourcing)
- [Contract Assembly](https://www.soneinc.com/contract-assembly)
- [Design/Build](https://www.soneinc.com/design-build)
- [Why Us](https://www.soneinc.com/why-sourceone)
- [Contact Us](https://www.soneinc.com/contact-us)

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Precision. Performance. Partnership.

# SourceOne Solutions

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## Your Single-Source Contract Manufacturing Solution for Machined Parts & Precision Automated Equipment

For more than 20 years, SourceOne Solutions has been a trusted partner to industrial manufacturers. We provide precision parts and custom assemblies tailored to the unique needs of manufacturers across a diverse and expanding range of industries.

[Request a Quote](https://www.soneinc.com/quote-request?hsLang=en)

### Engineering Expertise

Decades of experience in delivering complex mechanical parts and assemblies to a wide and expanding range of industries.

### Quality Assurance

Rigorous standards and exacting precision ensure every part meets your most exacting specifications.

### Personalized Service

Specializing in tailored contract manufacturing solutions with a commitment to building lasting partnerships.

### Unparalleled Reliability

Our extensive network of vetted, trusted vendors ensures the right parts and assemblies are engineered to order and delivered on time — every time.

### Streamlined Operations

On-time delivery of high-quality parts and assemblies keeps projects on schedule and boosts your bottom line.

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# Parts Sourcing

Streamline your supply chain with our precision parts sourcing, ensuring quality and reduced lead times on machined and fabricated parts.

[Learn More](https://www.soneinc.com/parts-sourcing?hsLang=en)

# Contract Assembly

Transform designs into finished products with our seamless, end-to-end contract assembly services.

[Learn More](https://www.soneinc.com/contract-assembly?hsLang=en)

# Design Build

Engineer and build complex mechanical assemblies with our turnkey design/build solutions.

[Learn More](https://www.soneinc.com/design-build?hsLang=en)

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528 E Tyranena Park RdLake Mills, WI  53551  
[(608) 443-1660](tel:6084431660) | (608) 443-1670 Fax

- [About Us](https://www.soneinc.com/about)
- [Parts Sourcing](https://www.soneinc.com/parts-sourcing)
- [Contract Assembly](https://www.soneinc.com/contract-assembly)
- [Design/Build](https://www.soneinc.com/design-build)
- [Why Us](https://www.soneinc.com/why-sourceone)
- [Contact Us](https://www.soneinc.com/contact-us)

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© SourceOne Solutions, LLC. |  [info@s1sllc.com](mailto:info@s1sllc.com)