You would go ask a question like that, late at night when I am sleepy and stupid enough to go search for it.
source:
http://www.atvsource.com/articles/articles/2006/100906_klotz_a_history_of_run...The company was founded in 1959 by John C. Klotz Jr. He was a racer and he was concerned about the proper lubrication of the engine of his racing machine.
The company employs 15 people and has been offering products for ATV enthusiasts almost as long as there’s been ATVs. “Our synthetic lubricants have always been popular with two-stroke motorcycles and ATV racers,” explained Straughton Wade, communications director for Klotz. “Since the dramatic increase in four-stroke machines in racing we have developed several synthetic lubricants that meet these demands as well.” He added that Klotz synthetic lubricants also are ideal for utility quads.A company composed of 15 people, who built two stroke racing oil (intended to be mixed into the gasoline) up until a decade or so ago when two strokes pretty much went away due to EPA restrictions.
Wow, that's hard to swallow ....
so I went to Thomas Register to look up the company
http://www.thomasnet.com/profile.html?cov=NA&which=comp&what=klotz+racing+lub... 
.... and with the address in tow I went to Google Maps and looked it up in Satellite Mode so I could see the small building, stuck out next to a corn field.

Hey guys, I don't think Klotz has any refining capability at all as this is the only place Thomas Register has listed for them, period.
Zooming in on the building shows a loading dock on the back of the larger warehouse looking building with enough room to unload six trucks at a time.
It looks like a relatively small set up of warehouse and office ..... they could buy ester stock from Exxon or Shell in 55 gallon drums, open the bung plug and add in their additives and food coloring, mix it up good then decant it into quart bottles then peddle it in cases mail-order from a manufacturing space about that big.
That's Klotz .... all of it.
If you can find more, please do show it to us.