pre_text: location approximate size ( sq . ft. ) segment majority owned or leased .
post_text: generally , our manufacturing facilities are adequate to meet our existing in-house production needs . we continue to invest in our plant sites to maintain viable operations and to add capacity as necessary to meet business imperatives . most of our manufacturing plants also serve as distribution centers . in addition , we operate distribution centers around the world , most of which are leased , and utilize third party logistics service providers to facilitate the distribution of our products and services . at year end 2016 ecolab 2019s corporate headquarters was comprised of three adjacent multi-storied buildings located in downtown st . paul , minnesota . the main 19-story building was constructed to our specifications and is leased through june 30 , 2018 . the second building is leased through 2019 . the company intends to vacate the current leased buildings in 2018 . the third building is owned . ecolab acquired the 17-story north tower from the travelers indemnity company in downtown st . paul , minnesota on august 4 , 2015 . this building became the corporate headquarters in 2017 . a 90 acre campus in eagan , minnesota is owned and provides for future growth . the eagan facility houses a significant research and development center , a data center and training facilities as well as several of our administrative functions . we also have a significant business presence in naperville , illinois , where our water and paper operating segment maintain their principal administrative offices and research center . as discussed in part ii , item 8 , note 6 , 201cdebt and interest 201d of this form 10-k , the company acquired the beneficial interest in the trust owning these facilities during 2015 . our energy operating segment maintains administrative and research facilities in sugar land , texas and additional research facilities in fresno , texas . in december 2013 , we announced the construction of a new 133000 square-foot headquarters building adjacent to the existing sugar land operations which was completed in early 2016 and renovation of the existing 45000 square-foot research facilities in sugar land . significant regional administrative and/or research facilities are located in leiden , netherlands , campinas , brazil , and pune , india , which we own , and in monheim , germany , singapore , shanghai , china , and zurich , switzerland , which we lease . we also have a network of small leased sales offices in the united states and , to a lesser extent , in other parts of the world . item 3 . legal proceedings . discussion of legal proceedings is incorporated by reference from part ii , item 8 , note 15 , 201ccommitments and contingencies , 201d of this form 10-k and should be considered an integral part of part i , item 3 , 201clegal proceedings . 201d other environmental-related legal proceedings are discussed at part i , item 1 ( c ) above , under the heading 201cenvironmental and regulatory considerations 201d and is incorporated herein by reference . item 4 . mine safety disclosures . not applicable. .
table: Location ApproximateSize (Sq. Ft.) Segment MajorityOwned orLeased
table: Hamilton, NEW ZEALAND 96,000 Global Institutional, Global Industrial Owned
table: Calgary, Alberta, CANADA 94,000 Global Energy Owned
table: Kwinana, AUSTRALIA 87,000 Global Institutional, Global Industrial Owned
table: Revesby, AUSTRALIA 87,000 Global Institutional, Global Industrial Owned
table: Yangsan, KOREA 85,000 Global Energy, Global Industrial Owned
table: Cisterna, ITALY 80,000 Global Industrial Owned
table: Rovigo, ITALY 77,000 Global Institutional Owned
table: Cuautitlan, MEXICO 76,000 Global Institutional, Global Industrial Owned
table: Barueri, BRAZIL 75,000 Global Institutional, Global Industrial Leased
table: Mullingar, IRELAND 74,000 Global Institutional, Global Industrial Leased
table: Mosta, MALTA 73,000 Global Institutional Leased
question: Analyse this data from a financial earnings document. how many square feet are leased by the company?