stars 1 stars 2 stars 3

8211; we will design your cleanroom that meets your requirements and install if fast. Modular Cleanrooms are our only business, We are a California Cleanroom Contractor of cleanrooms utilizing non-progressive modular cleanroom wall system that looks great and performs to meet your exact cleanroom needs. Class One Cleanrooms is the originator of Modular Cleanroom and the negative cleanroom plenum design, which has become the industry standard for the most cost-effective cleanroom. We are the oldest cleanroom contractor in the cleanroom construction industry.

Class One Cleanrooms Questions

The Class One Cleanrooms annual revenue was $6 million in 2026.

Jeremy Longoria is the Vice President Operations of Class One Cleanrooms.

1 people are employed at Class One Cleanrooms.

Class One Cleanrooms is based in Rancho Santa Margarita, California.

The NAICS codes for Class One Cleanrooms are [332, 33].

The SIC codes for Class One Cleanrooms are [34, 344].

Top Class One Cleanrooms Employees

View Similar People
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
g2crowd
G2Crowd Trusted
chromestore
300K+ Plugin Users