General information for County of Petroleum
Physical address
201 E Main St, Winnett, Mt, 59087
Mailing address
Po Box 226, 302 East Main Street, Winnett, MT, 59087
Website
petroleumcountymt.org
Points of contact for County of Petroleum
SAM.gov Points of Contact
Paul
McKenna
Government Business POC
Commissioner
PO BOX 226, 302 EAST MAIN STREET, Winnett, MT, 59087
Krista
Rowton
Electronic Business POC
Treasurer
PO BOX 226, 302 EAST MAIN STREET, Winnett, MT, 59087
Additional contact details may be available
NAICS codes for County of Petroleum
| Code | Description | Small Business |
|---|---|---|
| 921130 PRIMARY | Public Finance Activities | No |
| 237310 | Highway, Street, and Bridge Construction | No |
| 921140 | Executive and Legislative Offices, Combined | No |
|
922110
|
Courts
|
No
|
|
922120
|
Police Protection
|
No
|
|
922130
|
Legal Counsel and Prosecution
|
No
|
|
922160
|
Fire Protection
|
No
|
|
923120
|
Administration of Public Health Programs
|
No
|
|
923130
|
Administration of Human Resource Programs (except Education, Public Health, and Veterans' Affairs Programs)
|
No
|
|
924120
|
Administration of Conservation Programs
|
No
|
Update history
1 change(s) tracked
Feb 6, 2026
NAICS 921140 is no longer the primary code
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