GreenDex+Company size+Formula

size = annualRevenue * employees

smallEmployees = 50
smallRevenue = 35000000

mediumEmployees = 1000
mediumRevenue = 1000000000

if employees < smallEmployees and annualRevenue < smallRevenue
  'Small'
else if employees < mediumEmployees and annualRevenue < mediumRevenue
  'Medium'
else
  'Large'