Delivering customer value, building partnerships and providing technical excellence around the world.
Headquartered in Vienna, Virginia, ENSCO has operating offices in California, Colorado, Florida, New Mexico, New York, Pennsylvania, and Virginia. Field offices and subsidiaries are located throughout the United States and Australia with representatives and partnerships around the world.
Vienna, Virginia
2600 Park Tower Drive
Suite 400
Vienna, Virginia 22180
Map/Directions
+1-703-321-9000
+1-800-367-2682 (U.S. Toll-Free)
Physical Address
Transportation Technology Center (TTC)
55500 DOT Road
Pueblo, CO 81001-4812
Map/Directions
+1-719-842-7150
Mailing Address
Transportation Technology Center (TTC)
P.O. Box 11510
Pueblo, CO 81001-0510
ENSCO operates and maintains the TTC in support of the U.S. Department of Transportation (DOT)-Federal Railroad Administration (FRA) to develop a vibrant, engaging and modern TTC that fosters innovation, encourages positive change, and creates opportunity. Learn more:
El Segundo
222 N. Pacific Coast Highway
Suite 2050
El Segundo, CA 90245
Map/Directions
Albuquerque
6001 Indian School Road, NE
Suite 270
Albuquerque, NM 87110
+1-800-367-2682 (U.S. Toll-Free)
Chambersburg (blue office building)
4757 Innovation Way
Chambersburg, PA 17201
Map/Directions
Chantilly
3750 Centerview Drive
Suite 100 & 150
Chantilly, VA 20151
+1-800-367-2682 (U.S. Toll-Free)
Vienna
2600 Park Tower Drive
Suite 100
Vienna, VA 22180
Map/Directions
+1-703-321-9000
+1-800-367-2682 (U.S. Toll-Free)
ENSCO Rail Australia Pty Ltd
Unit 5, 158 Francisco Street
Belmont, WA 6104
Australia
Map/Directions
- Alabama: Huntsville
- California: Los Angeles, Los Angeles SFB, Vandenberg SFB
- Colorado: Peterson SFB, Transportation Technology Center, Pueblo
- Florida: Patrick SFB, Kennedy Space Center, Cape Canaveral SFS
- New York: Endicott, Hauppauge, Owego
- Texas: Fort Worth
- ENSCO Avionics, Inc.
- ENSCO Rail, Inc.
- ENSCO Rail Australia Pty Ltd
- ENSCO Technologies of Brazil LTDA/ENSCO Tecnologias do Brasil LTDA
- KLD Labs, Inc.
Wholly owned subsidiaries of ENSCO, Inc.
Santa Maria
Colorado Springs
Colorado Springs
Cocoa Beach
Melbourne
Endicott
Hauppauge – KLD Labs, Inc. 
Chambersburg (red office building)
Charlottesville