Headquarters. Philadelphia
Branch Offices. Day & Zimmermann has 150 offices worldwide.
Roots. Dodge & Day was founded in 1901 in Philadelphia when Charles Day partnered with Kern Dodge. John Zimmermann joined the company in 1908, and the company's name was then changed to Day & Zimmermann.
Areas of Expertise. The firm delivers design/build, EPC, modular construction, contract maintenance, and program management services.
Key Markets. Microelectronics, pharmaceutical, chemical, food and beverage, consumer products, pulp and paper, cogeneration, cryogenics, utility, and light and heavy industrial.
