PIPELINE - CONSTRUCTION & MAINTENANCE

Chief Oilfield Services, LLC

3197 111E Ave SW, Dickinson, ND 58601

Bob's Oilfield Service, Inc

3364 US-85, Belfield, ND 58622

Jones Contractors, Inc

A&R Construction, Inc

2842 Sims St, Dickinson, ND 58601

Propak Energy Services

4506 18th Ave W, Williston, ND 58801

Enerflex

885 South Burma Avenue, Gillette, WY 82716, United States

Twin Services, Inc

704 Bean Drive, Williston, ND 58801

Bob's Oil Field Services Inc.

3364 US-85, Belfield, ND 58622

Farden Construction, Inc

9035 County Road 17B, Maxbass, ND 58760

Stellar Field Service, Inc

5307 151st Ave NW, Williston, ND, 58801

CS Welding, LLC

1101 4th St SE, Suite 201, Stanley, ND 58784

Northern Energy Services, LLC

6531 Hwy 40, Tioga, ND 58852

ONEOK

3115 W Francis Ave, Midland, TX 79701, United States

Core Oilfield Services

14439 Commerce Park Blvd, Williston, ND 58801

Shanco Energy Services

216 S Broadway St, Minot, ND 58701

Baker Hughes

3392 Energy Dr, Dickinson

Jomax Construction Company, Inc.

Kinder Morgan

Kinder Morgan 1001 Louisiana St., Suite 1000

Badlands Contracting, LLC

PO Box 1978, Watford City, ND 58854

Preferred Energy, Inc

5814 Sherman Ln, Williston, ND 58801, United States

XTO Energy

10481 1st St SW Killdeer, ND 58640, US