Trusted by Industry Leaders To Safeguard The World’s Most Sensitive Environments
Everyone has a story to tell, here's ours.
The Most Trusted Critical Environment Specialists in the Industry
With a relentless passion for excellence in contamination control, SET3 has earned a reputation for professionalism, precision, and proven results across more than 70 million square feet of cleaned space worldwide. Since 1995, we’ve supported the missions of Fortune 50 companies, federal agencies, pharmaceutical labs, and semiconductor manufacturers by protecting their most sensitive environments with unmatched expertise.
The Beginning
People
You deserve experts who care. Our team is trained, vetted, and fully committed to protecting your environment with skill and precision.
Purpose
Your success drives us. We exist to eliminate risk, reduce downtime, and help you meet the strictest industry standards with confidence.
Process
You get more than a clean space. Our tested methods deliver reliable results that keep your operations safe, stable, and compliant.
Our Mission
The Science of Clean®
How We Do It
We don’t just clean spaces—we protect the performance of the world’s most sensitive operations. Our approach combines expertly trained staff, meticulous protocols, and science-backed products to mitigate contamination risks and exceed compliance requirements.
Whether we’re servicing a municipal data center, an ISO 1 cleanroom, or a government-classified site, our methods are rooted in decades of real-world experience and tailored to each client’s standards.
SET3 Is Built To Scale With You
From telco closets to global multi-site cleanroom programs. Every service is delivered by in-house professionals trained to ISO 14644, Fed 209E, ASHRAE, and WHO standards. Our full-service model ensures consistency, security, and support you can trust across every square foot.
Over 70 million square feet of controlled environments cleaned
Serving Fortune 50s, government agencies, and local municipalities
100% U.S.-based team, background-checked and compliance-cleared
100% in-house staff trained according to ISO 14644, Fed Stand 209e, ASHRAE, NFPA, ASHRAE, WHO and ESD standards
Registered with SAM, certified to work in highly restricted environments —including past projects requiring TS/SCI.
Services backed by $5 million in data center and cleanroom cleaning insurance
GSA Certified Equipment
Minority Owned Business
Tate Certified
National Balance Institute
IEST (Institute of Environmental Sciences and Technologies)
NFPA (National Fire Protection Agency)
ISO 14644 Trained
AFCOM Data Center World Participant
3M Static Trained
Uptime Science Labs
Green Operations Certification
Recognized by the best
We work with these industry leaders to bring you the best in Critical Environment service and technology.
