Here is a list of contract pharmaceutical manufacturers.

I have found that capabilities, quality and cost varies greatly among the vendors. In order to find a service provider that best matches the needs of your company, Proper development planning is required taking into account how important speed, level of GMP compliance and cost are to your organization. Successful outsourcing of drug development requires frequent contact with the manufacturer due to changes that are inevitably incurred over the life of the contract and to coordinate with downstream clinical activity