To access all currently stored Providers click on the Stored Providers button under the Manual Entry menu.
Manual entry menu
Clicking Manual Entry 
Stored Providers will open the Stored Providers editing window, where all providers stored in the database are available for editing. Providers can also be added or removed from the database.
Stored Providers editing window
Adding a new Provider
To add a new provider, click the yellow plus symbol on the navigation bar
Adding a new provider
The Provider fields will be cleared. Fill in at minimum the required fields marked by a red asterisk. To save the new provider to the database, click the Save Provicer into Database button.
Saving a provider
The new provider will now appear in the list of providers to the left of the screen.
Editing a Provider
To modify an existing provider, select the provider on the list to the left of the screen. To narrow the selection of providers, the query in the top of the screen can be modified and run again to populate the stored providers list with a different set of providers.
Stored providers list
The selected provider's details will be loaded into the form. These can now be edited. Clicking the Save Provider into Database button will save any changes into the database.
Deleting a Provider
To remove a provider from the database, select the provider on the list to the left of the screen, then click the red 'X' in the navigation bar.
Delete button in navigation bar