Agriculture
Lamphun is a farming area of 642,889 rai or 22.70% of the total area in the province and 224,971 farmers or 55.37% of its total population.

Industry
Lamphun has 833 factories and 33,242 million baht capital investment and 51,863 employees. There are 765 factories with 6,375 million baht (investment), 14,923 employees outside the Northern Industrial Estate. There are also 9 factories with a 1,121 million baht investment located in the Private Industrial Park of the Sahapattana Inter Holding Limited Company, with 2,397 employees. In the Northern Industrial Estate, there are 69 factories of 26,867 million baht investment and 36,940 employees bringing in an export value of 40, 105 million baht (2000).

To sum up, Lamphun has many factories in several of its districts: the Mueang Lamphun District has the highest number of factories, followed by Pa Sang and Mae Tha Districts. There are three districts bordering on one another and are rich in raw materials, labor, transportation favoring investment. Most of the industries need local materials and natural resources particularly agricultural materials.