In Bronno, there are production plants of Ekopol - a manufacturer of domestic sewage treatment plants, and a facility producing paving bricks.
Here, there is a water intake supplying the southern part of the Łęczyca municipality. The Bronno drinking water intake consists of two deep wells with a total capacity of 170 m³/h.
In the village of Bronno, there is a water treatment station.
The average daily output of the station is 558.2 m³ per day;
The length of the serviced distribution water network is about 90.0 km.
From 1975 to 1998, the village was administratively part of the Płock Voivodeship.[2]