Announcement Date: January 1, 2000

QuantumClean founded.

QuantumClean’s first Advanced Technology Cleaning Center® (ATCC®) opens in Colorado Springs, CO USA.

Semiconductor industry enters the post dot-com bubble burst downturn.

QuantumClean proves-out its value proposition in the Colorado Springs semiconductor market paving the way for further expansion.

QuantumClean forms strategic alliance with Air Products and Chemicals, Inc.