Caterpillar Inc.

caterpillar-search_warrant_13612.jpg

Federal officials gather at their vehicles as they continue to execute a search warrant at the Caterpillar, Inc. facility in Morton, Ill., one of three Caterpillar facilities they are searching in the Tri-County area Thursday, March 2, 2017. (Fred Zwicky/Journal Star via AP)

caterpillar_search_warrant_32491.jpg

Steve Settingsgaard, right, head of North American security for Caterpillar, Inc., stands outside of the company's world headquarters, Thursday, March 2, 2017, in Peoria, Ill., talking with two law enforcement officials. Federal law enforcement officials executed a search warrant at three Caterpillar facilities in central Illinois on Thursday. (David Zalaznik/Journal Star via AP)

caterpillar_search_warrant_43227.jpg

Steve Settingsgaard, head of North American security for Caterpillar Inc., walks past the entrance to the company's world headquarters on Thursday, March 2, 2017, in Peoria, Ill. Federal law enforcement officials executed a search warrant at three Caterpillar facilities in central Illinois on Thursday. (Matt Dayhoff/Journal Star via AP)

caterpillar_search_warrant_36135.jpg

A placard identifies an unmarked vehicle parked in front of the world headquarters of Caterpillar Inc. on Thursday, March 2, 2017 in Peoria, Ill. Federal law enforcement officials executed a search warrant at three Caterpillar facilities in central Illinois on Thursday. (Matt Dayhoff/Journal Star via AP)

aptopix_caterpillar_search_warrant_38118.jpg

Federal law enforcement agents enter the headquarters of Caterpillar, Inc., in Peoria, Ill., on Thursday, March 2, 2017, after a search warrant was executed at three Caterpillar facilities in central Illinois. (David Zalaznik/Journal Star via AP)

disappearing_company_towns_98397.jpg

FILE - In this March 6, 2009 photo, the Caterpillar Inc. corporate offices, right, dominates the skyline along the Illinois River Peoria, Ill. Caterpillar's recent decision to move 300 top headquarters jobs to the Chicago area made Peoria the latest city with a vacuum to fill. Many midsize communities are looking to redefine themselves as more companies trade longtime hometowns for major cities with easier access to global markets and the lifestyle that talented young workers want, with nightlife and public transit. (AP Photo/Seth Perlman File)

disappearing_company_towns_24391.jpg

FILE - In this June 20, 2012 file photo, earth-moving tractors and equipment made by Peoria, Ill.-based Caterpillar Inc. are seen in Clinton, Ill. Caterpillar's recent decision to move 300 top headquarters jobs to the Chicago area made Peoria the latest city with a vacuum to fill. Many midsize communities are looking to redefine themselves as more companies trade longtime hometowns for major cities with easier access to global markets and the lifestyle that talented young workers want, with nightlife and public transit. (AP Photo/Seth Perlman, File)

disappearing_company_towns_61248.jpg

FILE - In this June 15, 2016 file photo shows Caterpillar Inc. products on display at the Caterpillar visitors center in Peoria, Ill. Caterpillar's recent decision to move 300 top headquarters jobs to the Chicago area made Peoria the latest city with a vacuum to fill. Many midsize communities are looking to redefine themselves as more companies trade longtime hometowns for major cities with easier access to global markets and the lifestyle that talented young workers want, with nightlife and public transit. (Ron Johnson/Journal Star via AP File)

caterpillar_ceo.jpeg

FILE - This undated file photo provided by Caterpillar Inc., shows Jim Umpleby, who will replace Doug Oberhelman as CEO of the construction and mining equipment company on Jan. 1, 2017. Caterpillar officials say its new CEO will bring experience in the global markets and an understanding and respect for the company's place in central Illinois. (Kevin May/Caterpillar Inc. via AP)

caterpillar-ceo.jpeg

FILE - In this Wednesday, June 26, 2013, file photo, Caterpillar Inc. Chairman and CEO Douglas R. Oberhelman delivers the keynote address to the Illinois Chamber of Commerce annual meeting & business leaders luncheon in Chicago. On Monday, Oct. 17, 2016, Caterpillar said Oberhelman will retire from the company in 2017 and will be replaced with Jim Umpleby, who has worked at the company for more than three decades. Oberhelman, 63, will leave the company at the end of March. He has been CEO since 2010 and has been with Caterpillar Inc. for more than 41 years. (AP Photo/Scott Eisen, File)

e0eabf7938fcb1086e0f6a7067006811.jpg

Illinois Gov. Bruce Rauner, left, and Caterpillar CEO Doug Oberhelman, right, participates in the Caterpillar Inc. announcement that it is keeping its global headquarters in downtown Peoria, Ill., and expanding its corporate campus in what it called a re-commitment to the central Illinois city Friday, Feb. 20, 2015, in Peoria Ill. (AP Photo/Seth Perlman) ** FILE **

57bc2049d468220c500f6a706700abc5.jpg

Robin Beran, chief tax officer, Caterpillar Inc., is sworn in on Capitol Hill in Washington, Tuesday, April 1, 2014, prior to testifying before the Senate Permanent subcommittee on Investigations hearing: "Caterpillar's Offshore Tax Strategy. (AP Photo/Lauren Victoria Burke)

f285c298d3271c0c500f6a70670053c3.jpg

FILE - In this June 4, 2013, file photo, Sen. Carl Levin, D-Mich. speaks on Capitol Hill in Washington. Executives from manufacturing giant Caterpillar Inc. are heading to Capitol Hill to explain what one senator calls an aggressive strategy to avoid paying billions of dollars in U.S. taxes. Caterpillar has avoided paying $2.4 billion in U.S. taxes since 2000 by shifting profits to a wholly-controlled affiliate in Switzerland, according to a report released by Levin. Levin chairs the Senate investigations subcommittee. His subcommittee is holding a hearing on the report Tuesday. Representatives from Caterpillar and accounting firm PricewaterhouseCoopers LLP are scheduled to testify. (AP Photo/Susan Walsh, File)