| BUSINESS |
| ACTIVITY |
| BUILDING |
| DATES |
| P. & J. W. Baxter |
| The Old Yellow Store |
| P. A. Gobeille |
| Baker |
| At the foot of the hill |
| ca1909 |
| P. Gilmore & Co. |
| Hotel Keepers |
| Rock Island |
| mars 1902 - avril 1906 |
| Parsons & Carpenter |
| Dealers in Drugs, Patent Medecines, Perfumes, Soaps, Toilet Articles, etc. |
| ca1892 |
| Parsons, Carpenter & Co. |
| Jewellers and fancy goods dealers |
| octobre 1873 - ? |
| Parsons & Terrill |
| Dealers in Watches, Clocks, Jewellery and Fancy Goods |
| Stanstead Plain |
| Août 1886 - |
| Patton & Parsons |
| Jewellers |
| Stanstead Plain |
| Oct. 1865 - |
| Paul E. Giard |
| Propane Gas, Gas, Stoves, Electric |
| ca1954 |
| Peerless Overall Co. |
| Manufacturers of Overalls, Jumpers, Shirts, Coats, Pants and all other articles of wearing apparel |
| Rock Island |
| mai 1907 - ? |
| Perry & Edson |
| lBlacksmiths |
| Août 1868 - |
| Pierce & Hall |
| Mfg. of Boots and Shoes |
| Rock Island |
| 1868-1879 |
| Pike Brothers |
| General merchant |
| 1874-ca1904 |
| Pike & Foster |
| General groceries |
| (1867) |
| Pike & Pinkham |
| ca1851 |
| Pinkham & Libby Shop |
| Porter & Wiley |
| Magasin général |
| The Old Yellow Store |
| octobre 1863 - juillet 1900 |
