Day and Zimmermann Inc.

Private Company, Headquarters Location
1818 Market St., Philadelphia, PA 19103-3672, United States
(215)299-8000, (215)299-8208 fax, http://www.dayzim.com

Primary SIC: Engineering Services, Primary NAICS: Engineering Services
Description: Services: Electrical and electronic engineering service. More

In 1901, as the Industrial Revolution went into full swing, a 2-person partnership was formed in an effort to modernize engineering. This alliance has grown into one of the largest and most diverse professional service corporations in the world. Day and Zimmermann has a decentralized corporate structure with five operating groups and boasts sales of $1 billion per year. Their many services are adapted to the ever- changing needs of clients in areas of engineering construction, staffing, and the evaluation, management, and maintenance of property. Over the years, the company has been committed to serving clients by bringing the latest technology, the best employees, and the most effective and efficient solutions for their problems. Project or dedicated offices are often set up to facilitate the execution of a major project at a client's location. Owned and operated by the Yoh family out of Pennsylvania, Day and Zimmermann employ over 16,500 people in more than 140 locations worldwide. Providing expertise in consulting and construction, they serve governments, private industry, public utilities, education, health care, and financial institutions. Major competitors of Day and Zimmermann include Bechtel, Fluor, and Foster Wheeler.