Business Details
50+ Years
experience
Your Trusted Partner for Specialty Construction Solutions
Since 1964, Longden Company has established itself as a premier specialty contracting firm serving clients nationwide. Our expertise spans the design and construction of cleanrooms, server rooms, and access flooring systems tailored to meet the rigorous demands of laboratory, manufacturing, and educational facilities. With a team of seasoned professionals including LEED-accredited experts and union installers, we combine decades of experience with cutting-edge methodologies to deliver contamination-controlled environments and optimized infrastructure solutions. Our commitment to exceeding customer expectations is reflected in our track record of successful projects ranging from mini-environments to large-scale semiconductor facilities.As the largest Tate Access Floors dealer in New England, we leverage extensive product knowledge and precise installation capabilities to ensure every project meets exacting standards. Our approach integrates construction, electrical, and mechanical systems to create energy-efficient, flexible spaces that support 24/7 operational needs while maintaining strict budget and timeline parameters.
Services
Cleanrooms
Access Flooring
Server Rooms
Underfloor Systems
Modular Cleanrooms
Details
- Year established: 1964
Highlights and features
- 60+ years of specialized construction experience
- LEED-accredited professionals on staff
- Union-certified installation teams
- Turnkey solutions for critical environments
- ISO-certified quality management systems
Associations and certifications
- ISO 9001:2008
- ISO 14001:2004
What people say
Tireless participation
Excellent professionalism
Straight-forward communication
Met aggressive schedule
Unwavering diligence
Services
Cleanrooms
We design and construct ISO-certified cleanrooms from Class 1 (ISO 3) to Class 100,000 (ISO 8) for biomedical, pharmaceutical, and semiconductor applications. Our contamination-controlled environments meet strict regulatory standards while supporting advanced manufacturing and research operations. Our expertise spans both modular installations and large-scale mega-fab facilities.
Access Flooring
As the largest Tate Access Floors dealer in New England, we provide complete access flooring solutions including installation, re-leveling, and system upgrades. Our systems improve energy efficiency through underfloor air distribution while supporting critical infrastructure requirements for commercial and industrial facilities.
Server Rooms
We specialize in 24/7 server room design and construction from 200 sq. ft. to 20,000 sq. ft. Our comprehensive approach includes electrical systems, structured cabling, fire suppression, and environmental controls to ensure continuous operation for mission-critical IT infrastructure.
Underfloor Systems
Our underfloor solutions optimize building flexibility and energy efficiency through advanced air distribution systems. We integrate cable management, HVAC optimization, and structural support components to create adaptable commercial environments that meet LEED sustainability standards.
Modular Cleanrooms
We deliver modular cleanroom solutions that combine rapid deployment with precise contamination control. These systems offer scalable configurations for laboratories and manufacturing facilities requiring ISO-certified environments without traditional construction timelines.
People
Greg Dumas
Project Lead
Demonstrated expertise in data center projects with exceptional attention to detail and transparent communication. Successfully managed complex installations while maintaining budget integrity.
Will Fisher
Senior Installer
Recognized for technical proficiency and professional conduct during critical infrastructure projects. Delivered high-quality results under demanding timelines for major educational institutions.
Kim Gibson
Lead Technician
Provided indispensable technical expertise during complex cleanroom installations. Maintained exceptional work standards while supporting team collaboration on large-scale projects.
Questions
What industries do you serve?
We specialize in laboratory, manufacturing, educational, and technology sectors requiring controlled environments and critical infrastructure solutions.
Are you ISO certified?
Yes, we work with ISO 9001:2008 and ISO 14001:2004 certified products and maintain rigorous quality control standards.
What geographic areas do you cover?
While based in Hudson, MA, we serve clients throughout New England and provide nationwide contracting services for major projects.
Can you handle emergency modifications?
We prioritize scheduled projects but maintain flexibility to accommodate urgent infrastructure needs within our service areas.
What makes your cleanrooms different?
Our cleanrooms combine ISO-certified components with specialized construction protocols to ensure contamination control from Class 1 to Class 100,000 environments.
Do you offer maintenance services?
Yes, we provide comprehensive maintenance and upgrade services for existing access flooring systems and critical environment infrastructure.
