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, 2018, the Company owned three laboratory and warehouse facilities located in Holtsville, NY, Preston, UK, and Mississauga, Ontario, Canada. The Company leases seven facilities for the purposes of manufacturing, production, and warehousing; five of which are located in the U.S. and two are located in other countries.

As of December 31, 2018, the Company had a total of 106 leased facilities with locations spread globally; 30 of which are located in the U.S. and 76 are located in 45 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.