Chicago Employment Guide
http://chicago.employmentguide.com/
This general search engine allows the user to search job listings according to industry as well as employer. It also lists featured jobs and contains a variety of other employment resources. Accounting/Finance (including banking and real estate), information technology (computers and telecommunications), engineering, marketing/advertising/sales and general business (management, customer service, legal) are all represented here. Although registration is required to apply for jobs posted on this site, the service is free. Registration requires that the person fill out an online "interview." Once the application is filled out, the user can save searches in order to expedite subsequent searches.

Chicago Has Jobs
http://www.chicagohasjobs.com This general database is updated on a regular basis. In addition to features that allow for searching based on field or company, this site also features links to company profiles for the employers that post vacancies here. This site allows for searches to be narrowed according to postings by career field, industry, company and date. Career fields included on this site include, but are not limited to, finance/accounting, insurance, computer operations, application development, telecommunications and sales/marketing. ChicagoHasJobs provides career fair information for the Chicago area as well as internship and volunteering opportunities. The services are provide free of charge.

This is just a sample of what you'll find in the complete Chicago guide.