Ranked by number of plan participants receiving services on an unbundled basis.1
| Rank | Company | Unbundled participant2 |
| 1 | Hewitt Associates Inc. |
4,400,0003 |
| 2 | Affiliated Computer Services Inc. | 1,900,000 |
| 3 | Great-West Retirement Services | 1,013,784 |
| 4 | Paychex Inc. | 590,000 |
| 5 | Milliman Inc. | 475,100 |
| 6 | ADP Retirement Services | 78,590 |
| 7 | Principal Financial Group | 68,482 |
| 8 | Charles Schwab 4 | 61,094 |
| 9 | Transamerica Retirement Services | 61,073 |
| 10 | Findley Davies Inc. | 49,000 |
Source: BI survey
Researched by Kevin Edison and Karen Tucker
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Largest 401(k) plan administrators 2008
