Koil Energy Solutions Inc. (KLNG)

[alien42]

best guess, per the 10k:

"Spooling. Our experienced personnel are involved in the operation of spooling equipment on many projects, including operations for other companies to run their spooling equipment. We have developed a very efficient (in both time and cost) system for spooling, utilizing our horizontal drive units, under-rollers, tensioners, carousels and rapid deployment cartridges."