The Books We Own Cooperative Library- Provides a list of genealogy lookup volunteers from a large variety of sources.

IA-CENSUS-LOOKUP. A mailing list for anyone desiring a check of Iowa census records for their ancestors. Requests should be as specific as possible and include county name, specific family of interest, and year whenever possible. In addition, those who own or have access to census records and are willing to do lookups are asked to subscribe and assist in responding to queries. To subscribe send "subscribe" to ia-census-lookup-l-request@rootsweb.com (mail mode) or ia-census-lookup-d-request@rootsweb.com (digest mode).

Genealogy.com - Records Look up Forum

Ancestry.com - Look up Boards

GWM -  LIST OF INFORMATION AND DATABASES ON
CD-ROM DISKS

Obituary Lookups

The State Historical Society of Iowa has a "Professional Researchers List"