The bulk of its labour force is employed in the service sector and its unemployment is significantly below provincial averages. There are two principal industrial parks in Mississippi Mills. The Mississippi Mills Business Park has a total land area of approximately 83 acres of which 53 acres are available for sale. The park has mostly paved roads along with available water and sewer. The municipality provides water, sewer, roads, street lighting and drainage.
Utility companies provide electricity, gas and communications wiring.