About Us

American Partitions (a division of American Cleanroom Systems) is a team of professionals, specializing in the manufacturing and design of modular offices, modular laboratories, modular control rooms, and modular packaging rooms for a vast array of industries.

Our Team

  • 150+ years of experience, built more than 500 modular projects
  • Degrees: architecture, electrical engineering, biochemistry, and accounting

Our Offering

  • Easy to work with team
  • Custom design and engineering for your specific needs
  • Wide variety of design and material options
  • In-house manufacturing and installation for the highest quality

Why American Partitions for your modular office needs: Satisfied customers. Check out our customer testimonials.

Our Team

  • Ana Espinoza Ramos
  • Anthony Chien
  • Charlie Castaneda
  • Mimmi Rogers
  • Carlos Arica
  • Paulina Rodriguez
  • Alyson Yu
  • Dan Hammond – Specialist Biotech/Pharma
  • Fred Hutchinson – Specialist Biotech/Pharma
  • John Ricci – Specialist Biotech/Pharma
  • Pedro Riley – Specialist Latin America
  • Ray Winkowski – Specialist Aerospace


General Contractors licenses: State of California. California, Class B – #979883, State of Washington UBI#603 511 738 and State of Arizona Class B-1 ROC323962

Proud to Support Our Community

  • Laguna Niguel Lions Vision Walk 2019
  • Laguna Niguel Girls Softball 2019
  • Moulton Elementary School Jogathon 2019
  • Pop Warner Santa Margarita Football 2018
  • Laguna Niguel Little League 2018
  • Moulton Elementary School Boo Blast 2018
  • Moulton Elementary School Jogathon 2018