EMCOR Group Inc. completed its previously announced acquisition of Siemens' U.S. Facility Management Services business in November. The EMCOR/Siemens team will offer customers combined solutions for building controls, fire protection and security systems as well as mobile and on-site building operations, maintenance services, and facilities management services. Financial details of the acquisition were not disclosed. Annual revenues from the Siemens' Facility Management Services business are about $53 million. Its 365 employees will be integrated into EMCOR's Facilities Services organization. The business provides facilities management services to 200-plus buildings in more than 18 states across the United States, representing about 45 million square feet of facilities. EMCOR Facilities Services currently provides similar services to about 950 million square feet of commercial and industrial facilities.