Looking on the internet deeply has found these results:

in warehouse is the most popular phrase on the web.

on warehouse 1408,000 results on the web	in warehouse 16,830,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
NARRATOR: Previously on Warehouse 13... PETE: Previously on Warehouse 13... CHARLOTTE: Previously on Warehouse 13... Mr. Valda, you're the expert on Warehouse 2? CLAUDIA: Previously on Warehouse 13... SUTTON: Previously on Warehouse 13... ABIGAIL: Previously on Warehouse 13... My job is to keep eye on the warehouse.	My tools are the in warehouse. Keep lots of goods in warehouse, so could promise fast delivery. ) All products are stictly checked in warehouse before packing Then, matured in warehouse n. When the objects are produced they go directly in warehouse. I'm talking about what you keep in warehouse 15. All that drift from one wrong coding of the particular presents in warehouse. A week ago the Port Committee has awarded the IRCI adequate space in warehouse 10.

on warehouse

1408,000 results on the web

in warehouse

16,830,000 results on the web

More popular!

My tools are the in warehouse.
Keep lots of goods in warehouse, so could promise fast delivery.
) All products are stictly checked in warehouse before packing
Then, matured in warehouse n.
When the objects are produced they go directly in warehouse.
I'm talking about what you keep in warehouse 15.
All that drift from one wrong coding of the particular presents in warehouse.
A week ago the Port Committee has awarded the IRCI adequate space in warehouse 10.