I\'m just wondering if anybody knows if Apple provides deals to enterprises wanting to deploy an application to a large # of customers. Or does every customer have to go to
If you develop an application that you want to distribute yourself,it must be digitally signed with a certificate issued by Apple. You must also provide your users with a distribution provisioning profile that allows their device to use the application.
http://manuals.info.apple.com/en_US/Enterprise_Deployment_Guide.pdf
Yes, they do support enterprise deployments
The >500 employee restriction (mentioned in some of the responses here) has just been removed within the past week. See: alternative-solutions-for-in-house-iphone-enterprise-app-distribution