| Xaar, PLC SWOT Analysis | | Ebsco / Business Source Complete | Datamonitor Plc | Sep 2003-Sep 2003 | | |
| XBOX Nation | 1538-9723 | Ebsco / Masterfile Premier | Ziff Davis Media Inc. | Nov 2002-Feb 2005 | | |
| Xcel Energy SWOT Analysis | | Ebsco / Business Source Complete | Datamonitor Plc | Dec 2003- | | |
| Xenobiotica | 0049-8254 | Ebsco / Academic Search Premier | Taylor & Francis Ltd | Jan 1997- | 12 months | |
| Xenotransplantation | 0908-665X | Ebsco / Academic Search Premier | Blackwell Publishing Limited | Jan 1999- | 12 months | |
| Xerox Corporation SWOT Analysis | | Ebsco / Business Source Complete | Datamonitor Plc | Dec 2003- | | |
| Xerxes I, the Great | | Ebsco / Masterfile Premier | Great Neck Publishing | Jul 2006-Jul 2006 | | |
| Xilinx, Inc. SWOT Analysis | | Ebsco / Business Source Complete | Datamonitor Plc | Dec 2003- | | |
| XL Capital SWOT Analysis | | Ebsco / Business Source Complete | Datamonitor Plc | Mar 2004- | | |
| XM Satellite Radio Holdings, Inc. SWOT Analysis | | Ebsco / Business Source Complete | Datamonitor Plc | Mar 2004-Sep 2004 | | |
| XO Communications, Inc. SWOT Analysis | | Ebsco / Business Source Complete | Datamonitor Plc | Mar 2004-Mar 2004 | | |
| Xoma SWOT Analysis | | Ebsco / Business Source Complete | Datamonitor Plc | May 2003-Nov 2004 | | |
| X-Ray Spectrometry | 0049-8246 | Wiley InterScience | John Wiley & Sons | 1996 - current | | |
| xSP Advisor | | Ebsco / Masterfile Premier | IDC | Apr 2001-Oct 2002 | | |
| XTO Energy, Inc. SWOT Analysis | | Ebsco / Business Source Complete | Datamonitor Plc | Jan 2005- | | |