Cool Sterling Find Need ID

[jason4kstate]

Won this at auction with a box of other sterling pieces for $15. Can anyone help with ID? It is marked Green Co KC MO.

 

[tamrock]

There is a Green Company in the Kansas City area that has produced, employee recognition awards for service, safety and sales. They could have made that pendant and the years of 33,34 & 52 commemorate an achievement of some kind?