Its main industrial employers are a refinery, vineyards and a cement factory.

As of  2010, Cornaux had an unemployment rate of 5.4%.
 As of 2008, there were 20 people employed in the primary economic sector and about 7 businesses involved in this sector.
 212 people were employed in the secondary sector and there were 22 businesses in this sector.
 230 people were employed in the tertiary sector, with 50 businesses in this sector.
 There were 802 residents of the municipality who were employed in some capacity, of which females made up 43.8% of the workforce.

In 2008 the total number of full-time equivalent jobs was 413.
 The number of jobs in the primary sector was 14, all of which were in agriculture.
 The number of jobs in the secondary sector was 201 of which 179 or (89.1%) were in manufacturing and 12 (6.0%) were in construction.
 The number of jobs in the tertiary sector was 198.
 In the tertiary sector; 98 or 49.5% were in wholesale or retail sales or the repair of motor vehicles, 7 or 3.5% were in the movement and storage of goods, 11 or 5.6% were in a hotel or restaurant, 5 or 2.5% were in the information industry, 22 or 11.1% were technical professionals or scientists, 6 or 3.0% were in education and 3 or 1.5% were in health care.

In 2000, there were 387 workers who commuted into the municipality and 624 workers who commuted away.
 The municipality is a net exporter of workers, with about 1.6 workers leaving the municipality for every one entering.
 About 1.6% of the workforce coming into Cornaux are coming from outside Switzerland.
 Of the working population, 10.7% used public transportation to get to work, and 69.5% used a private car.
Its main industrial employers are a refinery, vineyards and a cement factory.
As of  2010, Cornaux had an unemployment rate of 5.4%.  As of 2008, there were 20 people employed in the primary economic sector and about 7 businesses involved in this sector.  212 people were employed in the secondary sector and there were 22 businesses in this sector.  230 people were employed in the tertiary sector, with 50 businesses in this sector.  There were 802 residents of the municipality who were employed in some capacity, of which females made up 43.8% of the workforce.
In 2008 the total number of full-time equivalent jobs was 413.  The number of jobs in the primary sector was 14, all of which were in agriculture.  The number of jobs in the secondary sector was 201 of which 179 or (89.1%) were in manufacturing and 12 (6.0%) were in construction.  The number of jobs in the tertiary sector was 198.  In the tertiary sector; 98 or 49.5% were in wholesale or retail sales or the repair of motor vehicles, 7 or 3.5% were in the movement and storage of goods, 11 or 5.6% were in a hotel or restaurant, 5 or 2.5% were in the information industry, 22 or 11.1% were technical professionals or scientists, 6 or 3.0% were in education and 3 or 1.5% were in health care.
In 2000, there were 387 workers who commuted into the municipality and 624 workers who commuted away.  The municipality is a net exporter of workers, with about 1.6 workers leaving the municipality for every one entering.  About 1.6% of the workforce coming into Cornaux are coming from outside Switzerland.  Of the working population, 10.7% used public transportation to get to work, and 69.5% used a private car.
Cornaux