| Released | Contributor | Author | Title | Pages | Price |
| 24-Dec-2009 | Plunkett Research, Ltd. | Jack W. Plunkett | Plunkett's Energy Industry Almanac 2010 (Summary) | 84 |
$199 |
| 24-Dec-2009 | Plunkett Research, Ltd. | Jack W. Plunkett | Plunkett's Energy Industry Almanac 2010 | 727 |
$299 |
| 23-Dec-2009 | ValuEngine, Inc. |
N/A
| ValuEngine Industry Report for OIL | 18 |
$49 |
| 22-Dec-2009 | Reuters Investment Profile |
N/A
| Duncan Energy Partners LP: Business description, financial summary, 3yr and interim financials, key statistics/ratios and historical ratio analysis. | 12 |
$20 |
| 21-Dec-2009 | ValuEngine, Inc. |
N/A
| ValuEngine Detailed Valuation Report for DEP | 13 |
$25 |
| 21-Dec-2009 | Market Edge |
N/A
| Market Edge Equity Research Report | 4 |
$10 |
| 20-Dec-2009 | PriceTarget Research, Inc. |
N/A
| Duncan Energy Parts has a current Overall Rating of B (Positive). | 7 |
$25 |
| 20-Dec-2009 | Wright Reports |
N/A
| Wright Industry Averages: Energy, Oil, Gas and Electricity (North America) | 94 |
$169 |
| 20-Dec-2009 | Wright Reports |
N/A
| Wright Industry Averages: Energy, Oil, Gas and Electricity (United States) | 87 |
$169 |
| 19-Dec-2009 | PriceTarget Research, Inc. |
N/A
| Natural Gas Intelligence Monitor: overall outlook NEUTRAL - 3 new Leaders; 12 new Laggards. | 30 |
$20 |