Offices
Headquarters
1001 Fannin Street, Suite 1500
Houston, Texas 77002
Phone: (281) 404-9500
Fax: (281) 404-9501
Williston Office
6205 16th Avenue W
Williston, North Dakota 58801
Phone: (701) 577-1600
Ray Gas Plant
11221 Hwy 2
Ray, North Dakota 58849
Phone: (701) 580-2675
New Town Office
4499 Highway 8
New Town, North Dakota 58763
Phone: (701) 627-2750
Watford City Office
213 6th Street NW
Watford City, North Dakota 58854
Phone: (701) 842-6795
In case of an emergency, please call our hotline:
1 (800) 723-4608To report an ethical concern, please call our hotline:
(866) 839-1233Inquiries
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