What are the most highly regarded companies to work for - as voted by
employees - access to lists and sources please

Hi! Thanks for the question.

The most famous list for this one is from the work of Fortune magazine
and Great Places to Work Institute. They survey employees to assemble
the list.

The Library Spot website describes the list made by the two
organizations in the following manner:

??culled 279 of more than 1,000 large and midsized firms and polled
44,848 of their employees to identify the best places to work.?

Library Spot
http://www.libraryspot.com/lists/bestcos.htm 

You need to subscribe to Fortune.com to access the list.

Fortune.com
http://www.fortune.com/fortune/bestcompanies 

However you can view the complete list from the website of Great
Places to Work Institute

100 Best Companies to Work for in America
http://www.greatplacetowork.com/best/list-bestusa.htm 


Search terms used:
Great best companies  places to work for

I hope these links would help you in your research. Before rating this
answer, please ask for a clarification if you have a question or if
you would need further information.
                 
Thanks for visiting us.                
                 
Regards,                 
Easterangel-ga                 
Google Answers Researcher