def by_industry(options = {})
      raise ArgumentError, 'You must provide a :cmte option' if options[:cmte].nil? || options[:cmte].empty?
      raise ArgumentError, 'You must provide a :congno option' if options[:congno].nil? || options[:congno].empty?
      raise ArgumentError, 'You must provide a :indus option' if options[:indus].nil? || options[:indus].empty?
      options.merge!({:method => 'congCmteIndus'})
      self.class.get("/", :query => options)
    end
def by_industry(options = {})
      raise ArgumentError, 'You must provide a :cmte option' if options[:cmte].nil? || options[:cmte].empty?
      raise ArgumentError, 'You must provide a :congno option' if options[:congno].nil? || options[:congno].empty?
      raise ArgumentError, 'You must provide a :indus option' if options[:indus].nil? || options[:indus].empty?
      options.merge!({:method => 'congCmteIndus'})
      self.class.get("/", :query => options)
    end
Provides summary fundraising information for a specific committee, industry and Congress number.

 See : http://www.opensecrets.org/api/?method=congCmteIndus&output=doc

 @option options [String] :cmte ("") Committee ID in CQ format
 @option options [String] :congno ("") Congress Number (like 110)
 @option options [String] :indus ("") Industry code