What additional cleanroom products and services does Class One Cleanrooms provide?

In addition to modular cleanrooms, Class One Cleanrooms also offers cleanroom ceilings, fan filter units, LED cleanroom lighting, motorized HEPA filters, and cleanroom flooring solutions. They provide layout design, construction, and installation services for their customers.

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Voyager DBDeep data on millions of local businesses, with verified decision-makers to reveal.Contact ResearchHand-built prospect lists from human researchers, delivered in 24 hours.People SearchFind owners and decision-makers by job title, seniority and department.Chrome ExtensionColdlytics in your browser - prospect any business as you browse the web.IntegrationsInstantly, Smartlead, lemlist, Clay, HighLevel, plus Claude and ChatGPT over MCP.

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Class One Cleanrooms

$5.0M revenue • 25 employees • 29722 Avenida de las Banderas, Rancho Santa Margarita, CA, 92688, United States

Last Updated Oct 20, 2026

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Company Overview

Company Name

Class One Cleanrooms

Address

29722 Avenida de las Banderas, Rancho Santa Margarita, CA, 92688, United States

Website

classonecleanrooms.com

Phone

(949) 589-9008

Approx. Annual Revenue

$5.0M

Employees

Established

1976

Google Reviews

4.4 (5 reviews)

About Class One Cleanrooms

Class One Cleanrooms is a modular cleanroom manufacturer and contractor based in Rancho Santa Margarita, California. The company specializes in the design, construction, and installation of Class 100 and Class 10,000 cleanrooms, offering a range of products and services including modular cleanroom wall systems, fan filter units, HEPA filters, and cleanroom lighting.

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Frequently Asked Questions about Class One Cleanrooms

Technologies Used

Social Profiles

Key Decision Makers

Brie Longoria Office Administrator

Allen Bradshaw Project Manager

Jeremy Longoria VP of Operations

Lina Rodriguez Project Manager

Steve Yi Sales Rep./Estimator

Paul Varni Founder