Woodbridge Office (Headquarters)
4899 Prince William Parkway
Woodbridge, Virginia 22192
Phone: 703-730-4160

Email: info@gctonline.net

Emad Saadeh, P.E.  President

Dulles Office (Laboratory)
21505 Greenoak Way
Dulles, Virginia 20166
Phone: 703-421-4000
Fax: 703-337-5571

Muthu Arigovindan, P.E., LEED AP BD+C  Vice President


GC&T ensures non-discrimination in all programs and activities in accordance with Title VI of the Civil Rights Act of 1964.  Should you need more information or special assistance for persons with disabilities or limited English proficiency, please contact Ms. Susie Choi in our Woodbridge office at 703-730-4160.