company allegedly hacked as reported by Sinobi ransomware: The dm Burr group is a multifaceted companion that has many divisions that are complementary to single another giving our customers the easiest way possible to bundle services together thus saving time and money at the same time. dm Burr was started in January of 1998 and has had extraordinary development due to our ever present the customer comes first attitude. Cannot ideate a improve group of managers and employees than the ones that act at dm Burr. DM Burr Mechanical- All phases of Heating, Cooling, Plumbing and Electrical installation, service and repair. direct vendor of York and Lennox. DM Burr Disaster Restoration-Water.