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Metal Fabrication

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Factory OS

Factory OS

Factory OS

Verified Nov 2026

Metal Fabrication

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United States flag

Vallejo, California

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Since 2017

Factory OS is a metal fabrication company founded in 2017 and headquartered in Vallejo, California, United States. It has an estimated 100-200 employees and an estimated revenue band of $50-100 million. The company is privately held and serves the automotive, electric-vehicle, construction, and industrial-equipment industries. Its record notes a reported wind-down of operations under the name Harbinger Homes, formerly Factory_OS.

Factory OS

Verified Nov 2026

AT A GLANCE

Founded

2017

Headquarters

United States flag

Vallejo, California

Employees

100-200

Ownership

Factory OS at a glance

Revenue

$50-100M

Est. band

Employees

100-200

Founded

2017

Headquarters

Vallejo, California

Industries

Automotive

Electric Vehicles

Construction

Industrial Equipment

Overview

Factory OS is a metal fabrication company founded in 2017 and headquartered in Vallejo, California, United States. It has an estimated 100-200 employees and an estimated revenue band of $50-100 million. The company is privately held and serves the automotive, electric-vehicle, construction, and industrial-equipment industries. Its record notes a reported wind-down of operations under the name Harbinger Homes, formerly Factory_OS.

At a glance

Attribute

Detail

Founded

2017

Headquarters

Vallejo, California

Employees

100-200

Revenue

$50-100M (estimated)

Primary capability

Metal Fabrication

What Factory OS makes

The record lists Metal Fabrication as the primary capability but contains no certifications or product listings.

Latest developments

Company details

The record identifies the company as privately held and reports a December 2025 partnership with Amper Technologies, though it names no reported customers. Factory OS was founded in 2017, has an estimated 100-200 employees, and is headquartered in Vallejo, California.

Frequently asked questions

What does Factory OS make?

Factory OS is a metal fabrication company founded in 2017 and headquartered in Vallejo, California, United States. It has an estimated 100-200 employees and an estimated revenue band of $50-100 million. The company is privately held and serves the automotive, electric-vehicle, construction, and industrial-equipment industries. Its record notes a reported wind-down of operations under the name Harbinger Homes, formerly Factory_OS.

Where is Factory OS headquartered?

Factory OS is headquartered in Vallejo, California (1245 Nimitz Ave, Vallejo, California, 94592).

When was Factory OS founded?

Factory OS was founded in 2017.

How big is Factory OS?

Factory OS has an estimated 100-200 employees, with revenue in the $50-100M range (estimated).

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Last verified Nov 2026. Is this your company? Request a correction.

Location & contact

Vallejo, California (HQ)Headquarters · United States
Vallejo, California (HQ)1245 Nimitz Ave, Vallejo, California, 94592, United StatesHeadquarters

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