 | This article may contain an excessive number of citations. (October 2022) |
 Map of the Portland Terminal Company and connecting lines, circa 1960 | |
| Overview | |
|---|---|
| Headquarters | Portland, Maine |
| Reporting mark | PTM |
| Locale | Maine |
| Dates of operation | 1911–1981 |
| Successor | Guilford Transportation Industries |
| Technical | |
| Track gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
The Portland Terminal Company (reporting mark PTM) was a terminal railroad notable for its control of switching (shunting) activity for the Maine Central Railroad (MEC) and Boston & Maine (B&M) railroads in the Maine cities of Portland, South Portland, and Westbrook.