The ranking depicts the revenue of the worldwide leading IT professional service companies in 2008 and 2009. In 2009, IBM had revenue of * million U.S. dollars and a global market share of *** percent.
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Gartner. (September 27, 2010). Leading IT professional service companies by revenue in 2008 and 2009 (in million U.S. dollars) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 04, 2026, from /statistics/203246/it-professional-services-revenue-in-the-united-states-in-2009/
Gartner. "Leading IT professional service companies by revenue in 2008 and 2009 (in million U.S. dollars)." Chart. September 27, 2010. ÌÇÐÄÆƽâ°æ. Accessed August 04, 2026. /statistics/203246/it-professional-services-revenue-in-the-united-states-in-2009/
Gartner. (2010). Leading IT professional service companies by revenue in 2008 and 2009 (in million U.S. dollars). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 04, 2026. /statistics/203246/it-professional-services-revenue-in-the-united-states-in-2009/
Gartner. "Leading It Professional Service Companies by Revenue in 2008 and 2009 (in Million U.S. Dollars)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 27 Sep 2010, /statistics/203246/it-professional-services-revenue-in-the-united-states-in-2009/
Gartner, Leading IT professional service companies by revenue in 2008 and 2009 (in million U.S. dollars) ÌÇÐÄÆƽâ°æ, /statistics/203246/it-professional-services-revenue-in-the-united-states-in-2009/ (last visited August 04, 2026)
Leading IT professional service companies by revenue in 2008 and 2009 (in million U.S. dollars) [Graph], Gartner, September 27, 2010. [Online]. Available: /statistics/203246/it-professional-services-revenue-in-the-united-states-in-2009/
