Forrester Research, Inc.: www. forrester. com Foundation for Performance www. fpm. com Gartner www. gartner. com GIGA Information www. gigaweb. com International Data www. idc. com IT Goverence. org/itgi META Group Inc.: www. metagroup. com Yankey www. yankegroup. com
ଏହି ସମସ୍ତ କମ୍ପାନୀ ପ୍ରତିରକ୍ଷା ବିଭାଗ ସହ ଚୁକ୍ତି ସ୍ୱାକ୍ଷର କରିଛନ୍ତି।