Siemens

摘要

As a leading provider of energy and environmental solutions, building controls, fire safety and security systems solutions, Siemens Building Technologies, Inc., makes buildings comfortable, safe, secure and less costly to operate. With U.S. headquarters in Buffalo Grove, III., Siemens Building Technologies employs 7,400 people and provides a full range of services and solutions from more than 100 locations coast-to-coast. Worldwide, the company has 28,000 employees and operates from more than 500 locations in 51 countries.