American Cleanroom Systems
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About Us

Our Team

  • 150+ years of cleanroom experience, built more than 500 cleanrooms.
  • Degrees: architecture, electrical engineering, biochemistry, and accounting.
  • Experience not just building cleanrooms but operating them.

American Cleanroom Systems® is a certified team of experts, specializing in the manufacturing and design of Class 100 to Class 100,000 modular cleanrooms for a vast array of industries. For more than 40 years, American Cleanroom Systems has provided premium quality cleanroom services and customer service.

Our Offering

  • Easy to work with.
  • Custom design and engineering for your specific needs.
  • Wide variety of design and material options.
  • In house manufacturing and installation for the highest quality.
  • Conform to ISO 146441-1 and FED STD 209E cleanroom standards.

Why American Cleanroom Systems®

Satisfied customers. Check out our customer testimonials and repeat customers.

"We build our customers the best modular cleanrooms, in short period of time, and at a reasonable price. We have been building cleanrooms since 1976 and have the cleanroom expertise to handle the most demanding cleanroom projects."

Anthony Chien
American Cleanroom Systems


American Cleanroom Systems® is the holder of a General Contractors license in the state of California. California, Class B – #979883. Washington State License: UBI#603 511 738. Arizona State License Class B-1 ROC323962. Iowa State License # C140110

Speaker / Publications

  • 2020 CBD World Expo – “Cleanrooms for the CBD industry”
  • 2020 Del Mar Electronics and Manufacturing Show – “Cleanrooms in manufacturing”
  • 2020 Concentration – “Why you need a cleanroom for GMP CBD manufacturing”
  • 2021 Anaheim Manufacturing show – “How do cleanrooms work”
  • 2022 Del Mar Electronics and Manufacturing Show - Cleanrooms: Industrial, PCB, Semiconductor & other manufacturing applications
  • 2022 Cleanroom Technology July Issue - Modular vs. Stick-built Cleanrooms
  • 2023 Del Mar Electronics and Manufacturing Show - "Cleanroom Options for manufacturing, QA and research"
  • 2023 Apple HQ Cupertino - "Cleanroom 101 - specification, design and operation of cleanrooms"
  • 2024 Del Mar Electronics and Manufacturing Show - Cleanrooms for Electronics and Medical Device Engineering

Proud to Support Our Local Community

Dec. 2023 company fishing trip.
Best cleanrooms and best at fishing!

2023 Christmas gift
bags for US Marine Corp

Proud to sponsor 10U Strike Force
Mission Viejo Girls Softball

2023 Sponsor
JSerra HS football

2023 donation to Lions Club school
backpack program

2022 sponsor
JSerra HS football

2022 donation to US Marine Corp Christmas gift bag program for single soldiers

2022 donation to Lions Club school backpacks program

2022 served breakfast to JSerra HS Football team Wounded Warrior 5k Fundraiser

2022 ACS Supports
Laguna Niguel Girls softball

ACS Supports
JSerra HS football

patients at vision clinic
breakfast food at lions club
Optician at Lions Club
volunteer making coffee

July 2021 – Happy to provide breakfast to 75 Lion volunteers at free vision clinic

10-year old softball players with trophies

American Cleanroom Systems © is proud to sponsor

10U Lightning Bolts 2021 League Champions!

Little League Sponsor Banner
cleanrooms on a white banner
American Cleanroom Sponsorship banner

November 2020 – Operation Christmas Soldier. Our donation to gift backpacks for US Marines (Camp Pendleton).

Tent and volunteers with American Cleanroom Systems Sponsored banner

Proud to sponsor the Moulton Elementary School PTA 2018 Boo Blast Fundraiser

American Cleanroom Systems donation to US Marine Corp

2019 toy drive for kids of US Marine Corp 1st battalion 4th regiment Camp Pendleton

American Cleanroom Systems

Need a New Cleanroom Now?

Quotes in 48 hours. Call or Complete Online RFQ Form.

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Contact Us

23221 Arroyo Vista Rancho Santa Margarita California, 92688


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