| Company | Category | Area | Address | Web | Contact person | |
| PLATTSBURGH YOUTH SVC DEPT | Government-Individual/Family S | New York | 151 BANKER RD, PLATTSBURGH, Clinton, New York, 12901-7307, USA | - | - | Robert T Robare |
| PLATTSBURGH ZONING & BUILDING | City Government-Urban Planning | New York | 41 CITY HALL PL, PLATTSBURGH, Clinton, New York, 12901-2936, USA | - | - | Richard Perry |
| PLATTSBURGH-NORTH COUNTRY | Chamber Of Commerce | New York | PO BOX 310, PLATTSBURGH, Clinton, New York, 12901-0310, USA | - | - | Garry Douglas |
