Whitestone Designs, Inc. is a full service contracting firm located in Los Angeles. We design and manufacture a wide range of high quality building materials. Our architectural precast components, kitchens, and baths are all custom-made. Our line of doors, windows, and railings exceed the highest industry standards.
With 20 years in business Twin Contracting has maintained a close consistent relationship with our client base. We ensure quality workmanship for green field construction, expansion renovations and interior retrofits for all commercial applications. A variety of services are offered through our construction management team to accommodate unique projects with Twin's standard level of excellence. Our professional staff is unique to the industry with a variety of training and experience