Home Renovation, Home Improvement Service, Affordable Home Remodeling, Kitchen and Bathroom Remodeling, Whole House Renovation AG&C General Construction & Improvement LLC. offers professional home improvement services, located in Silver Spring, MD. For more information, call us now! Four Corners MD; Hyattsville MD; Takoma Park MD; Maryland City MD; New Carrollton MD;Drywall Repair, Interior Painting, Exterior Painting, Flooring Repair, Quality Home Improvement.