Company Directory

Manufacturing Companies in SF Bay Area

A curated directory of manufacturing companies headquartered in SF Bay Area, with live hiring activity and funding context.

12 companies · Updated Sep 2026

Carbon

Series C+ · Redwood City, CA

15 jobs

Prints resin-efficient 3D parts.

$813.4M raisedFunded Nov 2025
Heliux

Seed · San Francisco, CA

12 jobs

Runs manufacturing operating systems.

$4.7M raisedFunded Feb 2025
Squint

Series B · San Francisco, CA

10 jobs

AI-powered manufacturing intelligence platform built for the industrial frontline.

$59M raisedFunded Aug 2025
SirenOpt

Seed · Oakland, CA

4 jobs

Builds thin-film sensors and software.

$19.0M raisedFunded Oct 2025
Atopile

Seed · San Francisco, CA

1 jobs

Creates new languages for PCB design.

$0.5M raisedFunded Oct 2023
Unspun

Series C+ · San Francisco, CA

1 jobs

Weaves materials in 3D.

$78.5M raisedFunded Jul 2026
Brimstone

Series A · Oakland, CA

Produces carbon-free cement.

$251.1M raisedFunded Apr 2022
Lightmill

San Francisco, CA

Uses large-format laser milling to make precision metal parts.

Limelight Steel

Seed · Oakland, CA

Produces zero-emission steel.

$3.7M raisedFunded Jul 2024
Matter

Seed · Sunnyvale, CA

Builds autonomous factories for final assembly of robotics and defense hardware.

$21M raised
Molten Industries

Series A · Oakland, CA

Decarbonizes hydrogen production.

$32.9M raisedFunded Jun 2024

How this list is built

BuildList includes active companies with a canonical sector and headquarters metro. Hiring counts come from verified openings collected directly from company applicant-tracking systems.

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