diff --git a/src/industry_cmd.cpp b/src/industry_cmd.cpp
--- a/src/industry_cmd.cpp
+++ b/src/industry_cmd.cpp
@@ -1321,10 +1321,11 @@ bool IsSlopeRefused(Slope current, Slope
  * @param itspec_index             The index of the itsepc to build/fund
  * @param type                     Type of the industry.
  * @param initial_random_bits      The random bits the industry is going to have after construction.
+ * @param founder Industry founder
  * @param [out] custom_shape_check Perform custom check for the site.
  * @return Failed or succeeded command.
  */
-static CommandCost CheckIfIndustryTilesAreFree(TileIndex tile, const IndustryTileTable *it, uint itspec_index, int type, uint16 initial_random_bits, bool *custom_shape_check = NULL)
+static CommandCost CheckIfIndustryTilesAreFree(TileIndex tile, const IndustryTileTable *it, uint itspec_index, int type, uint16 initial_random_bits, Owner founder, bool *custom_shape_check = NULL)
 {
 	bool refused_slope = false;
 	bool custom_shape = false;
@@ -1356,7 +1357,7 @@ static CommandCost CheckIfIndustryTilesA
 
 			if (HasBit(its->callback_mask, CBM_INDT_SHAPE_CHECK)) {
 				custom_shape = true;
-				CommandCost ret = PerformIndustryTileSlopeCheck(tile, cur_tile, its, type, gfx, itspec_index, initial_random_bits);
+				CommandCost ret = PerformIndustryTileSlopeCheck(tile, cur_tile, its, type, gfx, itspec_index, initial_random_bits, founder);
 				if (ret.Failed()) return ret;
 			} else {
 				Slope tileh = GetTileSlope(cur_tile, NULL);
@@ -1708,11 +1709,11 @@ static CommandCost CreateNewIndustryHelp
 
 	*ip = NULL;
 
-	CommandCost ret = CheckIfIndustryTilesAreFree(tile, it, itspec_index, type, random_initial_bits, &custom_shape_check);
+	CommandCost ret = CheckIfIndustryTilesAreFree(tile, it, itspec_index, type, random_initial_bits, founder, &custom_shape_check);
 	if (ret.Failed()) return ret;
 
 	if (HasBit(GetIndustrySpec(type)->callback_mask, CBM_IND_LOCATION)) {
-		ret = CheckIfCallBackAllowsCreation(tile, type, itspec_index, random_var8f, random_initial_bits);
+		ret = CheckIfCallBackAllowsCreation(tile, type, itspec_index, random_var8f, random_initial_bits, founder);
 	} else {
 		ret = _check_new_industry_procs[indspec->check_proc](tile);
 	}
@@ -1811,7 +1812,7 @@ CommandCost CmdBuildIndustry(TileIndex t
 		do {
 			if (--count < 0) return ret;
 			if (--num < 0) num = indspec->num_table - 1;
-			ret = CheckIfIndustryTilesAreFree(tile, itt[num], num, it, random_initial_bits);
+			ret = CheckIfIndustryTilesAreFree(tile, itt[num], num, it, random_initial_bits, _current_company);
 		} while (ret.Failed());
 
 		ret = CreateNewIndustryHelper(tile, it, flags, indspec, num, random_var8f, random_initial_bits, _current_company, &ind);