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Specialty Contractors for Demanding Environments
Clients
![Projects with Tiered/Auditorium Style Seating & Raised Flooring](https://www.longden.com/wp-content/uploads/tiered-auditorium-style-seating-and-raised-flooring.jpg)
Projects with Tiered/Auditorium Style Seating & Raised Flooring
Dartmouth College
Wellington Management
North Shore Community College
Genzyme Corporation
Harvard University
Raytheon Corporation
![Projects with Raised Flooring & Underfloor Air Systems](https://www.longden.com/wp-content/uploads/raised-access-floor-and-underfloor-air-systems.jpg)
Projects with Raised Flooring & Underfloor Air Systems
Fidelity Investments
Northeast Utilities
Mascoma Savings Bank
U.S. Federal Courthouse
University of Vermont
Manulife Financial
Union College
Harvard University
![Projects with Raised Flooring & Conventional Overhead HVAC Systems](https://www.longden.com/wp-content/uploads/access-floor-with-raised-flooring-and-conventional-overhead-hvac-systems.jpg)
Projects with Raised Flooring & Conventional Overhead HVAC Systems
State Street Bank
Internal Revenue Service
Maine Health
Citizens Bank
Middlebury College
National Grid
Liberty Mutual
U.S. Navy
AstraTech Inc.
National Life Insurance
![Data Center / Server Room](https://www.longden.com/wp-content/uploads/data-center-server-room.jpg)
Server Room Projects
Johnson & Wales University
Starent Networks
Epsilon
DentaQuest
South Shore Hospital
National Grid
ISO New England
GTECH Corporation
Wyeth Pharmaceuticals
Mount Auburn Hospital
![Cleanrooms](https://www.longden.com/wp-content/uploads/cleanrooms-2.jpg)
Cleanroom Projects
Hyundai Semiconductor
National Semiconductor
IBM
Purdue University
Lockheed Martin
Osram Sylvania
RF Microdevices
Instrumentation Labs
Mitel Corporation
AT&T