1 | SPNX | Suburban Propane Nat-Gas Co. of New Jersey | added 1/1956; eliminated 4/1957 | | NAKINA |
2 | SPNX | Suburban Propane Gas Corp. | added 4/1957; 10/1957-10/1966; eliminated 7/1969 | | NAKINA |
3 | SPNX | Suburban Propane Nat-Gas Co. of New Jersey | eliminated 4/57 | | NRHS |
4 | SPNX | Suburban Propane Gas Corp. | added 4/57; 10/57-10/66; eliminated 7/69 | | NRHS |
5 | SPNX | SUBURBAN PROPANE GAS CORP. | | | PWRC |