Lockheed Martin
AT & T
TOP 250 COMPANIES
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Lockheed Martin
Founded in 1995
Senior Vice President - Ethics & Enterprise Assurance : Leo Mackay
215
AT & T
Founded in 1983
CSO and Senior Vice President , Corporate Responsibility : Charlene Lake
United States Aerospace $ 108.3bn
United States Telecommunications $ 117bn
A global aerospace , defence , arms , security and advanced technology company , Lockhead Martin is one of the largest defence contractors in the world . Its sustainability efforts include waste reduction , carbon footprint , STEM education , sustainable supply chain , and ethical business practices .
A
multinational conglomerate and one of the largest telecommunications companies in the world , AT & T provides a wide range of services in telecommunications , entertainment , media and technology . AT & T ’ s sustainability efforts include fleet management , renewable energy , waste reduction , recycling and responsible supply chain .
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