Causapscal's principal economy is from the lumber industry and other business' related to its use (78%). The transformation of the lumber, represents 55% of the town's economic source.

Even though the lumber industry represents only 28% of Causapscal's economy, it remains the largest wood based operation. The majority of its product is sold on the international market.

After the cutting and the transformation of the lumber, the third level of wood processing, fabrication with the finished lumber product, represents 15% of the total. The town of Causapscal dœs its best to see that the local economy is able to benefit from the off-shoots of the lumber industry by producing as much of the finished product as possible.

The agriculture sector has changed considerably throughout the years. There are less farms, but the ones that remain are larger and more specialized than before. Farms and private forests occupy a large surface area of Causapscal's municipal territory. Farms that produce milk and beef make up most of the farming. Quail breeding, salmon smoking, production of essential oils and fruit farms represent almost all of the food based agriculture.

Causapscal's industrial park consists of 45 acres and is situated next to the lumber processing plant Scierie Causap and Hydro-Québec. The electric power station has a capacity to generate 120 KV. The industrial park is conveniently accessible to transportation: highway 132, the railway, and the airplane runway.