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 buildings (name VARCHAR, id VARCHAR)
TABLE: CREATE TABLE Companies (id VARCHAR)
TABLE: CREATE TABLE Office_locations (building_id VARCHAR, company_id VARCHAR)

### Question ###
Show the name of the building that has the most company offices.

### Accurate SQL ###

SELECT T2.name FROM Office_locations AS T1 JOIN buildings AS T2 ON T1.building_id = T2.id JOIN Companies AS T3 ON T1.company_id = T3.id GROUP BY T1.building_id ORDER BY COUNT(*) DESC LIMIT 1