Values:
COMPANY_SIZE_UNSPECIFIED (0):
Default value if the size isn't specified.
MINI (1):
The company has less than 50 employees.
SMALL (2):
The company has between 50 and 99 employees.
SMEDIUM (3):
The company has between 100 and 499
employees.
MEDIUM (4):
The company has between 500 and 999
employees.
BIG (5):
The company has between 1,000 and 4,999
employees.
BIGGER (6):
The company has between 5,000 and 9,999
employees.
GIANT (7):
The company has 10,000 or more employees.