InfoZen Inc., a Rockville-based provider of consulting, engineering and risk management, announced Monday that it had won a $10 million task order from the Bureau of Alcohol, Tobacco, Firearms and Explosives. The deal with ATF is part of a five-year contract for InfoZen to provide the bureau with technical and solutions analysis services.”Our latest contract wins speak to InfoZen?s breadth of consulting and engineering services that we provide to our customers,” Raj Anathanpillai, chief executive officer of InfoZen, said in a statement.