Web service naming problem

In web service project, it can contain many .asmx files. If I want to call web service from another project (name is "BHS.Wirach.API" and it contains Common.asmx, Security.asmx, and others .asmx) in one web application, how can I naming web services. I mean when I add web reference to Common.asmx and naming it to "BHS.Wirach.API", I can call by declare variable like "Dim a As New BHS.Wirach.API.Common" and if I add another web service such as Security.asmx, I cannot name it to BHS.Wirach.API again. If I name it like Common or Security (same name with .asmx file), when I initiate object refer to web service, it can make confuse to developers because I need to call "Common.Common". So I don't know how I can naming web service that I have refered to same project. If anyone have experience to name web service, please feel free to reply it.

Thank you,
Teeravee Sirinapasawasdee