There is a website called WAHM or work at home mom and they offer classified ads with real companies that let you work from home. You could also try babysitting or tutoring.
Hughes Supply (hdsupply.com) is a very large and legitimate corporation owned by Home Depot, but I don't find any indication of any work at home programs.
You can use your favorite search engine to do a keyword search for work at home opportunities. None of the work at home programs are legitimate if they ask you to pay to work for them.
There are several work from home jobs that are legitimate. You can find them on the WAHM website or Work At Home Moms. You could also do some babysitting or tutoring.
There are some legitimate work from home assembly jobs, but you have to be careful which one you choose. You do not want to choose a work from home job that requires you to pay something up front. Usually, these types of jobs are not legitimate. If you find a work from home assembly job you think you might like, you can usually find out on the internet if it's legitimate or not.
There are a number of sources for work at home businesses. The best way to find out which ones are legitimate is to talk to the better business bureau.
Yes, there are many legitimate jobs out there that allow you to work from home. You can find independent contracting jobs through kgb.com and quicktate.com.
I would start my search at www.wahm.com
You find legitimate work at home online job the same as any job. Fill out an application at a company that you have the experience and skills for a particular job and they will interview you to see if you meet their qualifications.
Several websites online offer information into find legitimate work from home opportunities. Some of these websites include; Management, Yahoo Finance, Forbes, Ratracerebellion, and BankRate.
Try http://www.workathomecareers.com/. They have been providing legitimate work at home oppurtunities since 2000.
Legitimate work from home sites such as Rat Race Rebellion (http://www.ratracerebellion.com/job_postings.html) can help you locate opportunities but you will find that any job posted on such sites will be seen by many other job seekers and will therefore be very competitive.
You may be able to find some work from home assembling jobs that are legitimate Howver, many of them are scams.