3-B Oil Co.
Business profileC corporationLinked registrations
Public business information with links to supporting state records. Data as of October 16, 2026.
Business profile
- Legal business name
- 3-B Oil Co.
- Alternative and DBA names
- Great Northern Oil Co.
- Entity type
- C corporation
- Original incorporation date
- June 8, 1964
- Time in business
- 62 years and 4 months
- Jurisdiction count
- 2
All known addresses
17 W 6th Ave, Helena, MT 59601
Listed in Montana
Registered states
View linked public registration records.
Source: public state registration records. Missing values are not a negative finding.