June 27, 2006
Business NH Magazine and the NH Association of Chamber of Commerce Executives recently named CHA one of their 2006 Businesses of the Year. Judges selected CHA in part because of our history of providing quality designs for the region's transportation infrastructure.
February 13, 2006
On December 15, 2005, the US Environmental Protection Agency finalized two related drinking water protection rules that will affect thousands of public water systems across the country.