You can create your own contact list using MS Excel or any spread sheet application and save it into ".csv" file and then using Gmail to import the ".csv" file.
To do so, you have to create a spread sheet document with the following steps.
Step 1: Create a new Excel sheet and at the first row, put this information in each column.
First Name
Last Name
E-Mail Address
Step 2: Then, insert your data that corresponding to the column topic.
Step 3: Select File then Save As. Change the file type to be CSV (Comma delimited) *.csv
Step 4: Type the file name and click Save.