DHAI has participated in over 2000 projects since it's inception. Below is a partial listing of previous and current projects worked on by the firm.

For further information on selected projects simply click on the highlighted project which you will find under was of the headings below, or use the links on the right.

Residential

• Hillcrest Retirement Community in Scarborough, Maine
• East Slope Condominiums at Shawnee Peak, Maine
• First Roach Pond subdivision - Plum Creek Land Management
• Piper Shores Congregate Care Facility in Scarborough, Maine

Commercial / Business Parks

• Retail development for Hannaford Bros. Co. - multiple locations
• Mill Brook Business Park in Saco, Maine
• Enterprise Business Park in Scarborough, Maine
• Westbrook Heights Business Park in Westbrook, Maine

Industrial / Energy

• Westbrook Energy Project in Westbrook, Maine
• Maine Mountain Wind Farm in Redington Township, Maine

Municipal

• City of Saco Wastewater Treatment Facility - expansion and upgrades
• City of Portland CSD Abatement Plan
• Town of Scarborough Drainage and Street improvement projects

Institutional / Healthcare

• Mercy Hospital Fore River Development in Portland Maine
• Goodall Hospital parking and emergency room expansion in Sanford, Maine
• St. Andrew's Hospital expansion in Boothbay Harbor, Maine
• Martin's Point Heathcare Center expansion in Portland, Maine

Transportation

• Amtrak rail station in Saco, Maine
• Portland International Jetport in Portland, Maine

Schools

• Oxford Hill High School in Oxford, Maine
• Poland Spring High School in Poland, Maine
• Greely Middle School in Cumberland, Maine
• East End Community School in Portland, Maine
• Old Town Elementary School in Old Town, Maine
• Gorham Middle School in Gorham, Maine
• Windham High School in Windham, Maine
• Bonney Eagle schools in Standish, Maine
• Scarborough Elementary Schools, Maine
• Peru Elementary School in Peru, Maine

Commercial / Shopping Centers

• Charter Oak Market Place in Hartford, Connecticut
• Raymark Industries Inc. Superfund site in Stratford, Connecticut
• Highland Commons Shopping Center in Hudson, Massachusetts
• Lowes Home Centers Inc. in South Burlington, Vermont, and Brewer, Maine
• West Falmouth Crossing in Falmouth, Maine