Gentlemen, I really appreciate your responses as they give me a starting place. I have tried all that you have suggested. To summarize, the 64-bit database is required and the oracle home must reference that database in order for the 64-bit listener to start. I have placed the 32 bit oracle client in the path before the 64 bit directory. The 32-bit OCI.DLL is being found, and now I'm getting an Oracle 12557 protocol adapter problem.
Any idea how I can proceed.