The Farm Market iD ® Private Applicator database reflects permits enabling the usage of certain pesticides. The data, compiled from each of the nation's 50 states, organized by category of use, reflect 2010 permits as well as data from prior years, and total more than 700,000 individual contacts at more than 610,000 unique addresses.

The majority of the data records concern agricultural use, and there are also select data available for exterminators, golf courses, schools and universities, landscaping, and public organizations, as well as selections for commercial, nurseries, dealers and private use.

Here's a peek at some key industries.