| GMSPO | General Motors Service And Parts Operations 
| Others |
| GMSPO | General Motors Service and Parts Organization
| Others |
| GMSPO | General Motors Service Parts And Operations
| Others |
| GMSPO | General Motors Service Parts Operation
| Others |
| GMSPO | General Motors Service Parts Operations
| Others |
| GMSPO | General Motors Service Parts Organization
| Others |
| GMSPO | General Motors Supply Parts Organization
| Others |