| Item | Obligations |
|---|---|
| Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $86.7M |
| Research and Development in the Social Sciences and Humanities | $69.7M |
| Marketing Research and Public Opinion Polling | $43.7M |
| Administrative Management and General Management Consulting Services | $31M |
| Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | $11.9M |
| Other Scientific and Technical Consulting Services | $7.4M |
| All Other Professional, Scientific, and Technical Services | $6.8M |
| Other Accounting Services | $2.9M |
| Other Computer Related Services | $1.3M |
| Custom Computer Programming Services | $500K |
Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) is Westat's largest federal market, with $86.7M in obligations.