Item 2. Properties

Our corporate headquarters are located in Lincolnshire, Illinois; a northern suburb of Chicago. We also operate manufacturing, production and warehousing, administrative, research, and sales facilities in other U.S. and international locations.

As of December 31, 2016, we owned 3 lab and warehouse facilities located in: Holtsville, NY; Preston, UK; and Mississauga, Ontario, Canada. The Company operates 8 facilities for the purposes of manufacturing, production, and warehousing, 5 of which are located in the United States and 3 are located in other countries. As of December 31, 2016, the Company leased 115 office facilities, 33 of which were located in the United States and 82 were located in other countries.

We generally consider the productive capacity of the plants to be adequate and sufficient for our requirements. The extent of utilization of each manufacturing facility varies throughout the year.