Contact Helios Contact us at contact@heliosglobalinc.com. Washington, DC area office:    2345 Crystal Drive Suite 205 Arlington, VA 22202 Phone:      (703) 415-0007 Fax:   (703) 415-0009                           European Branch office: Parkstraat 83 2514JG Den Haag Netherlands Phone: (011) 31 70 353 8220 Fax: (001) 31 70 353 8333