Roofing Asphalt (Hot) Manufacturers
Building Products of Canada Corp. - Asphalt types 2 and 3, available in bags or kegs.
Fields Company - Asphalt types 1, 2, 3, and 4; available in "MeltPac, MeltKeg, & MeltBulk"
IKO Industries - Type 1 asphalt available in bulk liquid; Types 2 and 3 asphalt available in bulk liquid and 100 lb. kegs.
Siplast - "Mopping asphalt" intended for use with SBS-modified bitumen systems.
Trumbull - Owens Corning Roofing and Asphalt - Asphalt types 1 & 2 (made to order), and types 3 & 4. Available in kegs or liquid bulk.