List of benefits that be offered to employees for long team wealth creation

Hi, I am looking for a list of benefits that be offered to employees for long team wealth creation. This is mainly targeted at retaining critical employees. I am looking for policy documents around the following. I will really appreciate if you can share some sample.

1) Home buying, Downpayment
2) Interest-free loan
3) Insurance
4) Car lease
5) Long term deferred bonus

Regards
Lokanath