The included EES proxy classes were generated with svcutil using the following arguments:

svcutil /language:cs /out:JES_EES.cs /namespace:*,JackHenry.Enterprise.BusinessObjects.Jes.Ees JES_EES.wsdl JES_EES.xsd oasis-200401-wss-wssecurity-secext-1.0.xsd oasis-200401-wss-wssecurity-utility-1.0.xsd /useSerializerForFaults /wrapped /serviceContract

Make sure to run from the same directory containing:

JES_EES.wsdl
JES_EES.xsd
oasis-200401-wss-wssecurity-secext-1.0.xsd
oasis-200401-wss-wssecurity-utility-1.0.xsd