Darien CT Additions | D- Core Construction LLC Enhance your property with Darien CT in Additions. D- Core Construction LLC delivers expert design, professional installation, and lasting results. gmb :https://share.google/TFnxlyoa1jmgqMgWV map link;https://maps.app.goo.gl/QFeZmmmKwEGH9FQj8 phone no;(203) 818-3671 adrress;darien ct,06820,USA email; [email protected] ... Darien CT Additions | D- Core Construction LLC