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.
GPA is an award winning, multi-disciplinary consulting firm specializing in historic preservation. Our experienced staff provides a full range of architectural history services and excels in delivering effective solutions.
Holmes Structures is a California structural engineering firm dedicated to providing thoughtful and creative design solutions. Our approach is to understand and utilize the inherent strength of existing buildings while minimizing impact to historic features.
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.
Page & Turnbull's staff includes licensed architects, designers, historians, conservators and planners who provide architectural and conservation services for historic buildings, resources and civic areas.
Pasadena Architectural Salvage's extensive inventory includes mantels, lighting, wrought iron gates and balconies, plumbing accessories, door hardware, furniture and accessories manufactured circa 1880 to 1950.