Longden Company

Longden Company, Inc., established in 1964 and headquartered at 446 River Road, Hudson, MA 01749, is a leading specialty contractor for demanding environments recognized as the largest access flooring dealer in New England (largest Tate Access Floors Dealer). For over 50 years, they have provided design and installation of access flooring systems, server rooms, and cleanrooms. Since 1988, they have constructed cleanrooms ranging from Class 1 (ISO 3) to Class 100,000 (ISO 8), from mini-environments (6 sq ft) to semiconductor mega-fab installations (160,000 sq ft). Services include in-house CAD/engineering, modular cleanrooms (softwall, vertical flow hardwall, Plascore for pharma/biotech), HVAC optimization, and fire detection. LEED accredited professionals with expertly trained union installers. Industries: laboratory, manufacturing, education, biomedical, pharmaceutical, semiconductor. Contact: 800-272-3282.