Shea Homes, 655 Brea Canyon Rd, Walnut, CA 91789, US

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.