Yes, without a doubt. There are two ways to accomplish this. Consider the following example of a company list in India.
1. You can manually enter a list of companies or copy and paste into the Drop down block under options. Android search is possible with the dropdown block. For more information, please see https://help.clappia.com/help/dropdown14
2. You may also construct a Master app for the list of companies. There is no need to manually enter data. You can upload an excel spreadsheet. You may also receive a list of companies in the form of a searchable drop down using get data from another app Block. Please visit this page for more information. https://help.clappia.com/help/blocks-dependency-app20