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Dan_DC: General Motors global headquarters, Detroit
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Dan_DC: GM Hamtramck
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Dan_DC: may 15 2019 GM headquarters
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Dan_DC: GM headquarters, Detroit
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Dan_DC: Detroit, GM headquarters
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Dan_DC: Philadelphia
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Dan_DC: Detroit
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Dan_DC: Lockheed Martin Aeronautics, Fort Worth, Tex.
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Dan_DC: Firestone headquarters_former
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Dan_DC: old Goodyear plant, Akron
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Dan_DC: the old Goodyear corporate campus, Akron, Ohio
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Dan_DC: Ford Motor Co., Dearborn
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Dan_DC: IMG_6495
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Dan_DC: Downriver, Detroit
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Dan_DC: AK Steel, Dearborn, Mich.
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Dan_DC: Melvindale, Mich., industrial area south of Detroit
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Dan_DC: Ford Rouge Plant, Melvindale (Detroit), Mich.
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Dan_DC: Severstal plant, Dearborn, Mich
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Dan_DC: BASF R&D Wyandotte MI
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Dan_DC: BASF chemicals
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Dan_DC: Arizona Materials Laboratory, UA Department of Material Science & Engineering, Tucson
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Dan_DC: Marathon Oil, Detroit
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Dan_DC: Komatsu Mining Corp., near Duval Mine, Green Valley-Sahuarita, Ariz. -- Tucson
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Dan_DC: Marathon oil refinery, Detroit
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Dan_DC: 97 East Congress St., Tucson
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Dan_DC: Caterpillar Tucson
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Dan_DC: Caterpillar Surface Mining & Technology division, Tucson
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Dan_DC: Caterpillar Global Mining unit, Downtown Tucson
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Dan_DC: Marathon Petroleum Corp., Detroit refinery
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Dan_DC: july 27 2019 marathon petroleum southwest detroit