improve polish company names

src/Faker/Provider/pl_PL/Company.php

@@ -4,6 +4,25 @@ namespace Faker\Provider\pl_PL;
 
 class Company extends \Faker\Provider\Company
 {
+    protected static $formats = array(
+        '{{lastName}}',
+        '{{lastName}} {{companySuffix}}',
+        '{{companyPrefix}} {{lastName}}',
+        '{{lastName}}-{{lastName}}',
+    );
+
+    protected static $companySuffix = array('S.A.', 'i syn', 'sp. z o.o.', 'sp. j.', 'sp. p.', 'sp. k.', 'S.K.A', 's. c.', 'P.P.O.F');
+
+    protected static $companyPrefix = array('Grupa', 'Fundacja', 'Stowarzyszenie', 'Spółdzielnia');
+
+    /**
+     * @example 'Grupa'
+     */
+    public static function companyPrefix()
+    {
+        return static::randomElement(static::$companyPrefix);
+    }
+
     /*
      * Register of the National Economy
      * @link http://pl.wikipedia.org/wiki/REGON