West Suburban Limousine is more of a smaller company in the suburbs, but always reliable, professional and friendly. I have taken this many times to and from Chicago airports and they are always on time. This is a service I know I can depend on. I believe they have more town cars though than limousines, but always clean and arriving 10-15 min. before departure, which is exactly what counts. I do give this service a thumbs up.
PROS: Very reliable and courteous