- United States
- Chantilly, Virginia
(Washington, D.C area) - Gaithersburg, Maryland*
- Houston, Texas
- Longmont, Colorado
- Palo Alto, California*
- Chantilly, Virginia
- Canada
- Brampton, Ontario*
- Dartmouth, Nova Scotia
- Ottawa, Ontario
- Richmond, British Columbia*
- Sainte-Anne-de-Bellevue, Quebec*
- Russia
- Moscow
(* denotes primary office)