Petroleum and Coal Products Manufacturing in Wisconsin

NAICS 324 · WI

This register lists 89 facilities in Wisconsin. The Bureau of Labor Statistics counted 19 establishments in the Petroleum and Coal Products Manufacturing industry in Wisconsin. AMSOIL (Superior) employed 294 people in 2025.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Waukesha11 Milwaukee9 Dane6 Outagamie4 Racine4 Douglas3 Marathon3 Rock3

Biggest cities

Milwaukee (7)Superior (4)Kimberly (3)Menomonee Falls (3)Minocqua (2)Chippewa Falls (2)La Crosse (2)Franklin (2)Beloit (2)Hayward (2)

Plants in Wisconsin2 FACILITIES

Listing 2 of 3: the facilities with a website, a size band or two sources on record. The rest are in site search.

Facility	City	Employees	Status
Rock Oil Refining INC	Stratford	20–99	LIKELY ACTIVE
American Asphalt of Wi (plant 22-shop-lab)	Mosinee	—	UNVERIFIED

Search all 89 facilities

All petroleum and coal products manufacturing nationwide · All manufacturing in Wisconsin