Item 2. Properties

We operate 124 manufacturing plants and processing facilities in 15 countries, of which approximately 32% are in the U.S. We own approximately 55% of our executive and corporate buildings, with 93% located in and around Corning, New York. We also own approximately 61% of our sales and administrative office square footage, 80% of our research and development square footage, 58% of our manufacturing square footage and 8% of our warehousing square footage.

Manufacturing, sales and administrative, research and development facilities and warehouse facilities have an aggregate floor space of approximately 54.2 million square feet. The following table presents the distribution of this total area:

Total assets and capital expenditures by reportable segment are included in Note 17 (Reportable Segments) in the accompanying notes to the consolidated financial statements. Information concerning lease commitments is included in Note 5 (Leases) in the accompanying notes to the consolidated financial statements.