GBG has over 30 years of experience and cutting edge survey tools including Ground Penetrating Radar, Infrared Thermography, Ultrasonic and Acoustic Methods and is a leading international company in the use of Non Destructive Evaluation for the forensic investigation of structures.
Kaptive C&P is a full service historic masonry restoration and preservation firm with extensive experience in natural and man-made materials. We combine a background in art and architectural history with proven methodologies, products, and innovative thinking to achieve outstanding results within a project's budget.
Spectra Company specializes in the rehabilitation of historic buildings and adaptive reuse. Our services span from general contracting, façade restoration, structural seismic, and art restoration to expert building material repair/replication. We also provide preservation consulting and preconstruction services.