Anneberg Foundation -Los Angeles (Usa)

  Annual Reviews -Palo Alto (Usa)

  Apache Corporation - (Usa)

  Apple, Inc. - (Usa)

  Aqua-Africa -Omaha (Usa)

  AQUAlity Engineering -San Diego (Usa)

  Aquatabs / Medentech -Perrineville (Usa)

  ARCADIS -New York (Usa)

  Tetra Tech -Burlington (Usa)

  Argonne National Laboratory -Argonne (Usa)

  Arizona State University -Tempe (Usa)

  AEN -Washington (Usa)

  Artemis Water Strategy -San Francisco (Usa)

  ARTICLE 19 - (Usa)

  Assist International - (Usa)

  Atethemis -Chicago (Usa)

  Avid Reader Press -New York (Usa)

  Axis of Hope - (Usa)

  Baker Hughes -Houston (Usa)

  BARKA Foundation -Burlington (Usa)

  BASICS -Arlington (Usa)

  Bayat Foundation - (Usa)

  Beaumont LLC - (Usa)

  Bentley University -Waltham (Usa)

  BFP Engineers -Berkeley (Usa)

  Better Search Investments LLC - (Usa)

  better, Inc./John Todd Ecological Design - (Usa)

  BFFilms - (Usa)

  Bill & Melinda Gates Foundation -Seattle (Usa)

  Biomass Controls - (Usa)

  Black & Veatch - (Usa)

  Bloomberg BNA - (Usa)

  Bloomberg New Energy Finance - (Usa)

  Blue Planet Network - (Usa)

  Blue Planet Network -Redwood City (Usa)

  BlueEnergy -Eugene (Usa) [siège]

  Boise State University - (Usa)

  Bonneville Environmental Foundation -Portland (Usa)

  BPA -Portland (Usa)

  BCG -Boston (Usa)

  Boston Public Health Commission -Boston (Usa)

  BRAC -New York (Usa)

  BFBM - (Usa)

  British Embassy - (Usa)

  Bull Frog Distributors -Oley (Usa)

  Bunge -St. Louis (Usa)

  BPRM -Washington (Usa)

  Butterworth-Heinemann -Woburn (Usa)

  Butterworth–Heinemann -Waltham (Usa)

  CNN - (Usa)