Executive Offices
Furnished offices, high-speed internet access, administrative support and building amenities included.
http://www.execoff.com

Global Office Search
Global Office Search is a free, international search service for businesses looking for Serviced Offices, Executive Suites and Office Business Centers.
http://www.globalofficesearch.biz

Office Finder
OfficeFinder is a resource for office space users. In addition to lots of useful information and free tools, we also have over 250 knowledgeable and experienced commercial real estate office tenant representation experts in over 300 markets.
http://www.officefinder.com/scripts/wizard.cfm?referrer=LRE

Offices2share.com
Offices2share.com is a nationwide listing service that brings together those companies that have short-term office space with businesses and individuals seeking short-term, ready-to-move-into offices.
http://www.offices2share.com/

Search Office Sapce
Provider of office space for rent or lease on a shared, temporary basis. All areas, prices and sizes of executive office suites and business centers.
http://www.searchofficespace.com/