Green Rankings the top 500 list

Our exclusive environmental ranking of America's 500 largest corporations.

Green Ranking Top List
Rank Company Industry Sector Green Score Environmental Impact Score Green Policies and Performance Score Reputation Survey Score
1. Marathon Oil  "Oil companies are generally not poster... Oil and Gas 77.09 25.90 53.08 42.53
2. Smith International  "Strong environmental management and executive team... Oil and Gas 76.26 37.60 49.57 41.17
3. Schlumberger  "Oil field equipment giant aims to... Oil and Gas 75.99 35.10 49.46 39.72
4. Baker Hughes  "Big emitter of toxic chemicals, but... Oil and Gas 74.07 30.30 47.00 32.77
5. Devon Energy  "Strong management keeps it in compliance... Oil and Gas 73.87 37.80 44.97 34.73
6. Halliburton  "Oil services company with environmental upsides.... Oil and Gas 73.53 29.70 46.64 29.92
7. Williams  "Big user of natural gas, which... Oil and Gas 72.91 23.20 44.44 35.96
8. EOG Resources  "Minimal toxic waste emissions and a... Oil and Gas 71.90 38.40 39.85 33.74
9. El Paso  "Trade in natural gas keeps El... Oil and Gas 71.43 11.00 50.75 34.55
10. ConocoPhillips  "Can't escape the environmental downside of... Oil and Gas 71.02 26.30 36.71 41.52
11. Pride International  Oil and Gas 69.77 37.60 33.22 36.77
12. National Oilwell Varco  Oil and Gas 69.35 44.40 32.88 31.47
13. Southwestern Energy  Oil and Gas 69.18 47.30 32.20 31.56
14. Cameron International  Oil and Gas 69.16 31.30 32.86 34.55
15. BJ Services  Oil and Gas 68.24 37.60 32.90 23.90
16. XTO Energy  Oil and Gas 68.19 21.80 32.20 35.26
17. FMC Technologies  Oil and Gas 68.03 35.90 31.63 26.76
18. Apache  Oil and Gas 68.01 38.60 28.15 37.34
19. Valero Energy  Oil and Gas 67.91 25.10 30.77 33.87
20. Hess  Oil and Gas 67.39 28.00 28.58 35.24

* Due to a miscalculation, the Green Rankings significantly overstated ConAgra’s Water Use, thus giving it an incorrect Environmental Impact Score and Green Score. ConAgra should have been ranked 342 overall. ConAgra’s Environmental Impact Score and Green Score are not directly comparable to other company scores due to the miscalculation previously noted. We regret the error.

Resource Providers:

  • KLD Logo

    KLD Research & Analytics, Inc., an independent investment research firm, served as lead data consultant and calculated the rankings It was also responsible for generating the Green Policies and Performance section of the rankings. KLD analyzes environmental, social and governance data on companies worldwide. www.kld.com

  • TruCost Logo

    Trucost, a leading international environmental data firm, specializes in quantitative performance measurement and management. The Environmental Impact Score in the rankings is based on its global database. www.trucost.com

  • Corporate Register Logo

    CorporateRegister.com conducted the Reputation Survey for the green rankings. Based in London, it is the world’s largest online directory of company-issued social responsibility, sustainability and environment reports. www.corporateregister.com.

  • ASAP Media Logo

    ASAP Media, founded by journalists/editors Peter Bernstein (pbernstein@asap-partners.com) and Annalyn Swan (aswan@asap-partners.com), served as Newsweek’s editorial partner, initiating and coordinating the green rankings project. ASAP Media specializes in creating magazine, book and web content.

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