Specialty Contractors For Demanding Environments


Longden Company, Inc. has been on the forefront of cleanroom construction. With over 20 years of cleanroom construction experience, Longden has successfully completed projects throughout the United States and Canada. We have a solid base of repeat clients, broad industry references, and a strong safety record.

Longden Company, Inc. has been on the forefront of this market as part of design and construction teams, building cleanrooms according to designed ISO Standards. Tate Access Floors is the definitive leader in the supplier of critical access flooring to provide the required laminar flow of each class.

As a result of our efforts in the access floor market, we have risen as the preeminent installer of cleanroom walls and ceilings. To this we have aligned ourselves with most of the major manufacturers to provide the best quality products available in the market.

Longden Company, Inc. can supply and install components such as Tates aluminum access flooring, cleanroom wall and ceiling systems, and filter systems. Whether we are handling the entire construction project, from the architectural design to the tool fit-up, or one portion of the job, you can count on Longden Company, Inc. and its management and installation teams for complete satisfaction.

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