diff --git a/b2/db.c b/b2/db.c
index 866a8b0..9104f94 100644
--- a/b2/db.c
+++ b/b2/db.c
@@ -172,8 +172,9 @@ static void dump_stock(FILE *file, const struct stock *s)
 {
 	const struct price *p;
 
-	fprintf(file, "    %s  %d %d  %s %g",
-	    s->cat, s->avail, s->package, s->curr->name, s->add);
+	fprintf(file, "    %s %s  %d %d  %s %g",
+	    s->provider->name, s->cat, s->avail, s->package, s->curr->name,
+	    s->add);
 	for (p = s->price; p; p = p->next)
 		fprintf(file,  " %d %g", p->qty, p->value);
 	fprintf(file, "\n");
diff --git a/b2/db.h b/b2/db.h
index caec094..29fed1a 100644
--- a/b2/db.h
+++ b/b2/db.h
@@ -73,6 +73,7 @@ struct provider {
  */
 
 struct stock {
+	const struct provider *provider;
 	const char *cat; /* category */
 	int avail;	/* items in stock */
 	int package;	/* "natural" quantity (reel, tray, bag, etc.) */
diff --git a/b2/lang.y b/b2/lang.y
index eae69d6..f46ec0c 100644
--- a/b2/lang.y
+++ b/b2/lang.y
@@ -428,6 +428,7 @@ inventory_item:
 	WORD WORD stock TOK_NL
 		{
 			$$ = part_add($1, $2);
+			$3->provider = provider_add($1);
 			part_add_stock($$, $3);
 		}
 	;
@@ -436,6 +437,7 @@ stock:
 	WORD int int WORD float prices
 		{
 			$$ = alloc_type(struct stock);
+			$$->provider = NULL;
 			$$->cat = $1;
 			$$->avail = $2;
 			$$->package = $3;