Business Details
50+ Years
experience
Your Trusted Partner for Specialty Contracting Solutions
Since 1964, Longden Company has provided specialty contracting services to customers across the United States. Our expertise in cleanrooms, access flooring, and server room design/build solutions has established us as the largest Tate Access Floors dealer in New England. Our team combines construction, architectural, and MEP design experience with LEED-accredited professionals and certified installers. We serve leading companies in laboratory, manufacturing, and educational markets, delivering contamination-controlled environments and mission-critical infrastructure. With decades of experience addressing complex demands, we consistently exceed client expectations through technical precision and client-focused service.Our commitment to quality is demonstrated through rigorous adherence to industry standards and client-specific requirements. As a total solutions partner, we manage projects from concept to completion, ensuring operational reliability and compliance. Our history of successful installations includes Class 1 (ISO 3) to Class 100,000 (ISO 8) cleanrooms and server rooms ranging from 200 to 20,000 square feet. We maintain fast, accurate bidding processes while delivering competitive pricing without compromising quality. Our reputation for excellence is supported by long-term client relationships and industry recognition.
Services
Cleanrooms
Access Flooring
Server Rooms
Modular Cleanrooms
Underfloor Systems
Data Center Construction
HVAC Optimization
Containment Solutions
Raised Floor Installation
Contamination Control
Details
- Year established: 1964
Highlights and features
- We have over 60 years of experience in specialty contracting services
- We are the largest Tate Access Floors dealer in New England
- Our team includes LEED accredited professionals and certified installers
- We serve top companies in laboratory, manufacturing, and educational markets
- We offer 24/7 operational support for server room environments
What people say
Tirelessly to complete project
Eye for detail
Level of professionalism was excellent
Extraordinary expertise
Key to success
Services
Cleanrooms
Design and construction of controlled environments meeting Class 1 (ISO 3) to Class 100,000 (ISO 8) standards. Our cleanrooms serve biomedical, pharmaceutical, and semiconductor industries with strict contamination control requirements. We deliver both mini-environments and large-scale semiconductor manufacturing facilities.
Access Flooring
Installation and maintenance of access flooring systems that improve energy efficiency and air quality. As the largest Tate dealer in New England, we provide re-leveling, re-installation, and cable management solutions for commercial buildings and data centers.
Server Rooms
Complete server room design/build services including electrical systems, structured cabling, and mechanical infrastructure. We construct environments ranging from 200 to 20,000 square feet with 24/7 operational reliability for mission-critical IT operations.
Underfloor Systems
Underfloor air distribution solutions that enhance building energy efficiency and occupant comfort. Our systems support LEED certification requirements while providing flexible ventilation control for commercial and industrial facilities.
Modular Cleanrooms
Modular cleanroom solutions offering rapid deployment and scalability. These systems provide contamination control for manufacturing, research, and healthcare applications with customizable configurations and quick installation timelines.
Questions
What industries do you serve?
We serve laboratory, manufacturing, educational, biomedical, pharmaceutical, and semiconductor industries with specialized cleanroom and infrastructure solutions.
Are your cleanrooms customizable?
Yes, we construct cleanrooms from Class 1 to Class 100,000 to meet specific client requirements across various industries.
Do you provide nationwide services?
While based in New England, we provide specialty contracting services across the United States for cleanrooms and critical infrastructure.
What sets Longden Company apart from competitors?
With over 60 years of experience, we combine technical expertise, certified professionals, and comprehensive solutions from design to installation.
Do you handle large-scale projects?
Yes, we manage projects ranging from small cleanroom installations to 20,000 sq. ft. data centers and semiconductor facilities.
