We have tanks to match any size operation.  
As you grow, new tanks can be added. 
Pictured here are three 120 gallon tanks.

Holding tanks can be as small as 55 gallon drums

Pumps do not necessarily have to be mounted in tanks.

Wall brackets are available for drum applications.

These are tank mounted pumps w/ reels overhead mid-shop.

These large supply tanks store engine oil and  are located in Dover NH.

Pictured in blue are 3" pumps, The red tanks contain dyed fluids such as ATF and Hydraulic oil.

Two wall mounted pumps on the left,  windshield washer fluid and right  50/50 anti-freeze/water mix.