Certifications, Partners & Associations

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Recognized industry credentials

Industry Certifications & Professional Memberships

One Source Environmental maintains membership in the Institute of Environmental Science and Technology (IEST) and is Certified by the National Environmental Balancing Bureau (NEBB).

Individual Certifications

Jeff Jimmo, President of OSE, has met all the requirements for NEBB Certified Professional Status in Cleanroom Performance Testing.

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National Environmental Balancing Bureau (NEBB)

NEBB Certified Firms, Professionals, and Technicians uphold the highest standards in building enclosure, cleanroom performance testing, and fume hood performance testing, as well as sound and vibration measurement, building systems commissioning and processes, technical retro-commissioning of existing buildings, and testing, adjusting and balancing.

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Institute of Environmental Sciences & Technology (IEST)

IEST is the leading nonprofit membership association for professionals in contamination control, design test and evaluation, product reliability, and nanotechnology facilities.

A global network of partners

Our Industry Partners

Global Cleanroom Solutions (GCS)

Global Cleanroom Solutions (GCS) is a global expert in cleanroom control systems, software, and process optimization. They support clients through everything from system implementation and modernization to product consulting, spare parts procurement, and fast on-site troubleshooting—helping ensure cleanroom operations run efficiently with minimal downtime.

UL Solutions

As a global safety science leader, UL Solutions helps companies to demonstrate safety, enhance sustainability, strengthen security, deliver quality, manage risk and achieve regulatory compliance.

F.H. Chase Inc

Since 1980, F.H. Chase, Inc. has specialized in building cleanrooms, data centers and office space environments for the high-tech industry across the United States.

Airseal Containment Systems

AIRSEAL Containment Systems is a leading manufacturer of custom cleanroom systems, delivering unmatched speed, precision, and reliability. All modular cleanrooms are built in-house in Texas using advanced extrusion, milling, and assembly capabilities. With lead times as short as 3-6 weeks, AIRSEAL delivers high-quality, application-specific solutions trusted across industries.

National Environmental Balancing Bureau (NEBB)

NEBB is the premier international certifying association for firms and individuals that deliver high performance buildings and systems.

Institute of Environmental Sciences & Technology (IEST)

IEST connects professionals who work with controlled environments.

  • “We have enjoyed a 25-year business relationship with One Source Environmental as supplier, vendor and partner on a variety of Cleanroom related projects.

    These include manufacturing Fan Filter Units for Mini-Environments, General Process Isolation and Cleanrooms. Optimization of Client Cleanroom performance through software/controls solutions. Implementation and commissioning FFU networks within new and existing facilities along with troubleshooting older systems requiring rapid customer resolution.

    Together with One Source we have successfully executed many highly visible, time critical and complex projects encompassing a wide range of issues and variety of Cleanroom industry applications. From Facility Characterizations, to consulting on new Cleanroom projects or simple conduct of routine Performance Testing and Annual Re-Certification they have the knowledge, experience and manpower to see even the most demanding and time sensitive projects through from start to finish.

    We highly recommend One Source Environmental for all your Cleanroom Manufacturing Facility needs and hope to work together with them for you in the future on your next project.”
    Markus Hugle
    Owner/Director, GCS GmbH

Our focus areas.

Supporting critical industries where clean matters most.

OSE works across industries where environmental control is essential to safety, quality, and performance. Our experience allows us to adapt services and solutions to meet the unique demands of each regulated environment.

Cleanroom use is constantly evolving! Below are some key industries that OSE has experience in. Don’t see yours listed? Get in touch and let’s chat!

Key industries we serve

Unsure of next steps?

Let’s talk about your cleanroom requirements. We know the questions to ask!

Whether you’re planning a new space, preparing for certification, or addressing performance challenges, OSE is here to help. Our team is ready to support your next step.

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