Veillet acquired a farm in rang St-Pierre-North, where he started a business of hay and cattle; he sold this land to his brother Freddy.
The store sold almost all the needs of residents, farmers and loggers: groceries, dry goods, fabrics by the yard, clothing, dresses, ironwork, molded feed, seed, shingles, sheet, gasoline (Imperial petroleum) oil and coal.
In the back, a cooler storing ice cut on the Lac Croche in the coldest of winter, was used until about 1935 to 1936, for the needs of families Veillet and Moisan (next house).
In 1920, four sons of Leopold Veillet and Georgina Magny (i.e. Jeffrey, Freddy, Alphée and Wilson) combined officially their resources to start a business.
[8] In 1925, Jeffrey Veillet executed contracts of clearing the road from Saint-Roch-de-Mékinac to La Tuque on the east bank of Saint-Maurice River.
[9] In 1922, the company Veillet & Frères Limitée (Veillette and Brothers Limited) was awarded a contract to cut timber in the Audy area, north of Hervey-Jonction in the sector of Tawachiche River.
The company then bought a small sawmill from Frank Blais, located about one kilometer south of the Audy station, on the edge of the Tawachiche River.
In 1936 or 1937, Jeffrey Veillet acquired from Rouleau their second sawmill located near the Rivière des Envies, in the heart of the city of Saint-Tite which was unused for several years.
The businessman Jeffrey Veillet involved his children and his sons-in-law in the shareholding of forestry and commercial affairs by creating on June 5, 1943, the company "Veillette Incorporated".
The statutes of the new company give it a broad mission, in particular: to manufacture, buy and sell, wholesale and retail, export, import, exchange, contract and traffic in effects, foodstuffs and site goods of all kinds; Engage in timber cutting operations and businesses of all kinds, and engage in rafting, hauling and transportation of timber in all forms.
From 1925 to 1930, the company Veillet & Frères Limitée is committed to contracts with the Belgian logging and Consolidated Paper in the areas of: Casey (1926), Vandry (1926), Cannes (1926) and Manjobeques (1927 only).
At the height of operations of Veillet & Frères Limitée in the area of "La lièvre" (the Hare) river, between 3000 and 3500 employed workers were assigned to the timber industries.