About Us

CEM was founded in 2002 with the mission to build long-term relationships with companies and facilities associated with the biotechnology, pharmaceutical and research community.

Our Founder and President, Jeff Raposa has been working in the industry for over 25 years. His first industry job experience came in the early 1990s while working at such companies as Genentech, Amgen, Roche, Bayer and Baxter…


Cleanroom Testing and Certification
Biological Safety Cabinet Testing and Certification
USP <797> Sterile Compounding Facilities

Why Choose CEM?

Expertise CEM is committed to providing every customer with experienced, professional, and detail-driven management and service.

Integrity Our philosophy in business and in life is “We Do What We Say We Will Do”.

Loyalty You can depend on CEM to partner with you and your business. We strive to not only meet your needs, but to exceed them.


Controlled Environment Management’s best qualities are enthusiasm, friendliness, professionalism and quality of work. Their customer service and dedication to their customers is superb!!!  It is great to find a company that cares and does the right thing. CEM will have my business for a long time to come

R. Gaither
Safety & Occupational Health Specialist

Latest news

  • Innovative Drug Delivery Technique Uses Liposomes October 20, 2017
    NewsLiposomes are successful drug delivery vehicles prescribed for several types of cancer but also for treatment of fungal infections or pain management. Now, researchers show a straightforward metho …
  • New Engineering Center Sets Manchester on its Way to “Graphene City” October 20, 2017
    NewsSet to open its doors next year, the new £60 million center will accelerate the commercial pace of graphene and two-dimensional materials in the U.K.Contributed Author: The University of Mancheste …
  • Graphene Nano-Ribbons Make Sensors More Sensitive October 20, 2017
    NewsPinning DNA-sized ribbons of carbon to a gas sensor can boost its sensitivity far better than any other known carbon material.Contributed Author: Scott Schrage, University of Nebraska-LincolnTopic …
  • Space Telescope's Selfie Marks a Major Milestone October 20, 2017
    NewsWhat appears to be a unique selfie opportunity was actually a critical photo for the cryogenic testing of NASA’s James Webb Space Telescope in Chamber A at NASA’s Johnson Space Center in Houston.C …
  • Converter is Game-Changer for Nanoscale Data Processing October 20, 2017
    NewsInvention bagged four patents and could potentially make microprocessor chips work 1,000 times faster.Contributed Author: National University of SingaporeTopics: Nanotechnology

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