Constable Group, Inc. is a privately held corporation that conducts training seminars and publishes award winning language and communication training manuals, videos and educational materials for public safety and educational facilities, as well as private companies and corporations involved with executive protection, counter-terrorism and industrial security. Our training manuals include: The Complete Spanish Field Reference Manual for Public Safety Professionals, the Multi-Lingual Manual for Public Safety Professionals, and Silent Universal Signals for Public Safety and Educational Professionals. Note: Survival Spanish is a trademark of the Constable Group, Inc.