DTB’s 32-acre corporate campus in New York

DTB’s 32-acre corporate, laboratory, and technical campus in New York features the largest and most thoroughly equipped independent engineering and testing lab in the US.

Hours of Operation:
Monday – Friday
8:00 am – 4:30 pm (EST)

Dayton T. Brown, Inc.
1175 Church Street
Bohemia, NY 11716

Visiting DTB? Here’s what you need to know:

Before your visit:

Local activities and attractions:

In order to help you find your way around the area, we have compiled a listing of local amenities for your convenience. For places to stay, things to do, where to eat, and more – please download our Visitor's Resource Guide.

Contact Information

General Inquiries:
Local: (631) 589-6300
Toll-Free: (800) 232-6300

Engineering & Test:
Customer Service: (631) 244-6429
Sales Assistance: (631) 244-6341
Toll-Free: (800) 837-8456
Fax: (631) 589-3648

Technical Services:
Toll-Free: (866) 300-1701
Fax: (631) 567-8540

Map & Directions