Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE Assets (supplier_company_id VARCHAR)
TABLE: CREATE TABLE Third_Party_Companies (company_id VARCHAR)

### Question ###
How many assets does each third party company supply? List the count and the company id.

### Accurate SQL ###

SELECT COUNT(*), T1.company_id FROM Third_Party_Companies AS T1 JOIN Assets AS T2 ON T1.company_id = T2.supplier_company_id GROUP BY T1.company_id