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 gas_station ( station_id number, open_year number, location text, manager_name text, vice_manager_name text, representative_name text )
TABLE: CREATE TABLE company ( company_id number, rank number, company text, headquarters text, main_industry text, sales_billion number, profits_billion number, assets_billion number, market_value number )
TABLE: CREATE TABLE station_company ( station_id number, company_id number, rank_of_the_year number )

### Question ###
What is the name and rank of every company ordered by descending number of sales?

### Accurate SQL ###

SELECT company, rank FROM company ORDER BY sales_billion DESC