News & Insights

News & Insights

DDA Companies is a group of businesses providing services to the transportation and logistics industry.

DDA Services Inc has provided the southern NH region with top notch truck and trailer repair services since 1986. All levels of fleet maintenance are supported at our facilities in Londonderry and Merrimack NH. We are proud distributors of Red Dot heavy duty air conditioning products, ONSPOT Automatic Chains, and multiple other specialty products.

DDA Transport has provided contract transportation services to the US Postal Service since 1996. Based in Londonderry NH our fleet delivers mail throughout all New England states and further reaches into the Mid-Atlantic and Mid-West area.

DDA Logistics provides contract transportation service to FedEx Ground and other industry leaders in the brokers carrier environment.

Vermont Ventures Provides contract transportation services to the US Postal Service with routes originating throughout the State of Vermont.


Opportunities and challenges in the big-and-bulky and white-glove delivery.

DDA Companies President, Dwayne Andreasen weighs in on the final mile market.

Opportunities in Delivery


DDA Companies was featured in Heavy Duty Trucking Magazine for its adoption of propane to do it’s part in making sure the USPS mail moves cleaner throughout the Northeast.

Why Propane Autogas Made Sense for this USPS Contractor

fleet talk DDA propane truck

Working with Roush CleanTech, DDA Transport put six new Ford F750 straight trucks powered by propane autogas into its New Hampshire U.S. postal fleet last August.