Cityworks

Founded in 1932 by J.O. Oltmans, Oltmans Construction provides a wide variety of commercial and industrial construction in Southern California. The company has maintained a reputation based firmly on past successes with its clients. Oltmans business clientele includes major corporate users, developers and financial institutions throughout the industry, such as the states of California, Arizona and Nevada. The company provides pre-construction services, such as planning, estimating and budgeting, design and build services, construction management, project and tenant improvements, seismic retrofits, self-performed concrete work, in-house project management software programs and general contracting services in the commercial, industrial, office building sectors. Oltmans also provides major site improvements and renovations. The company is based in Whittier, Calif.

MATT Construction Corporation, based in Santa Fe Springs, CA, is recognized as one of California's top commercial general contractors, specializing in a diverse range of projects including museums, multi-family housing, and higher education facilities. With a strong commitment to sustainability and excellence, the company collaborates with renowned architects and employs a rigorous approach to preconstruction analysis and project delivery. Having nurtured extensive relationships with subcontractors over decades, MATT Construction ensures that each project aligns with the owner's vision and the architect's intentions through meticulous planning and execution. Their portfolio showcases a variety of successful projects across California and Nevada, demonstrating their expertise in delivering innovative and environmentally conscious construction solutions. Generated from the website

Since 2002, JR Universal Construction Inc. has been offering commercial as well industrial construction solutions. Located in Los Angeles, Calif., the company specializes in project management, design/engineering, construct ability/scheduling and concept estimating. Its list of commercial services includes tenant improvement, new construction, seismic upgrades and structural fabrication. JR Universal Construction Inc. performs new construction and renovation of clean rooms, industrial facilities, warehouses as well as office buildings. It also specializes in mechanical infrastructure, electric/plumbing and facility infrastructure.