| |
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Golden Gate Capital
|
|
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Apollo Management, L.P. |
 |
|
Texas Pacific Group
|
|
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First Reserve Corporation
|
|
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NMC
|
|
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American Capital
|
|
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Norwest Venture Partners
|
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Siemens Venture Capital
|
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Benchmark Capital
|
|
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Greylock Partners
|
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North Bridge Venture
Partners
|
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Symphony Technology
Group |
 |
| NEA |
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| Venrock |
|
Technology Crossover
Ventures |
|
| Menlo Ventures |
 |
| Actis
|
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| KPCB
|
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| Alloy Ventures
|
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| Draper Fisher Jurvetson |
 |
|
Austin Ventures
|
 | |
|