Montana Petroleum Association, Inc. P.O. Box 1186
Helena, MT 59624


 The Montana Petroleum Association is proud to represent  a diverse and expanding body of members. Search by category.

Environmental Consulting & Engineering Firms
Government Relations
Legal Services
Misc. Oil & Gas Services
Exploration & Production; Transportation; Marketing; and Refining Members




EideBailly LLP

First Interstate Bank


AE2S Construction

Bison Engineering, Inc.

Burns & McDonnell

Dade Moeller, a NV5 Company

ECS Engineers

Environmental Resources Management (ERM)

Grouse Mountain Environmental Consultants, LLC

H2E, Inc.

Hohn Engineering, PLLC

Hydrometrics, Inc.

HydroSolutions, Inc.


LT Environmental, Inc.

Morrison-Maierle, Inc.

Newfields Companies, LLC

Performance Engineering & Consulting, PLLC

Phoenix Energy Advisors

Pioneer Technical Services, Inc.

SWCA, Inc.

Terracon Consultants, Inc.

Tetra Tech

TREC, Inc.

Trihydro Corporation

Uintah Eng & Land Surveying

Water & Environmental Technologies

Welter Consulting, Inc.

Wood Group/Mitchell's Oilfield Service, Inc.

WWC Engineering


Billings Chamber of Commerce/CVB

Fallon County

Great Falls Development Authority, Inc.

Sidney Area Chamber of Commerce & Tourism

ABS Legal

Browning, Kaleczyc, Berry & Hoven, P.C.

Crowley Fleck PLLP

Gray, Johnson & Lebsock P.L.L.P.

Holland & Hart LLP

Lee Law Office PC

MISC. OIL & GAS SERVICES, please read the descriptions

Applied Control Equipment

Aspen Air Corp.

Barnard Pipeline, Inc.

Bighorn Inspection Inc.

BioSeal, LLC

C&J Energy Services

COP Construction LLC

D&M Solutions, Inc.

Empire Resources LLC

Energy Laboratories Inc.

Enterprise Truck Rental


Great Northern Drilling Company, Inc.

Interstate Power Systems

JBLS Montana, Inc.

Jefferson Energy Trading, LLC

KE Andrews

Knapp Oil Corporation

Leavitt Group Insurance

Liberty Oil Field Services

Liquid Gold Well Service, Inc.

Loenbro, Inc.

Montana Logos LLC

Montana State University Billings Foundation

Northern Oilfield Services, Inc.

Pace Analytical Services, Inc.

Ponderosa Advisors LLC

Remuda Energy Development, LLC

SCC Inspection Services Inc.

Seitz Insurance Agency

Territorial-Landworks, Inc.

Wood Group/Mitchell's Oilfield Service, Inc.

WST Energy

Exploration & Production; Transportation; Marketing; and Refining Members

Atlantic Richfield

Augustus Energy Partners, LLC

Ballard Petroleum Holdings, LLC

Beartooth Oil & Gas Co.

Calumet Montana Refining, LLC

CHS Inc.

Comanche Drilling LLC


D&M Welding, LLC

Decker Operating Company

Denbury Resources Inc.

DLD Enterprises, LLC

Enerplus Resources (USA) Corporation

EOG Resources


Great Western Operating Company

Hancock Enterprises

Imperial Oil of North Dakota, Inc.

Jefferson Energy Trading, LLC

Keesun Corporation


Kootenai Resource Corp.

Legacy Reserves Operating, LP

Marathon Oil Company


Missouri River Royalty Corporation

Montana & Wyoming Oil Company

Nance Resources, Inc.

Noble Energy

NorthWestern Energy

Oasis Petroleum North America LLC

ONEOK Rockies Midstream, L.L.C.

Oversight Resources LLC

Petro-Hunt, LLC

Petro-Sentinel LLC

Retamco Operating Inc.

Rosebud Energy Development, LLC

Solenex LLC

Somont Oil Company, Inc.

Spectra Energy

Spence Accounts, Inc.

Summit Gas Resources, Inc.

Synergy Offshore LLC dba SOG Resources

Three Forks Resources

T-K Production Company

Tomahawk Oil Company, Inc.

TransCanada Pipelines

True Oil LLC

Vanguard Operating, LLC

WBI Energy Inc.

Western Natural Gas Company

Whiting Petroleum Corporation

XTO Energy Inc.




Individuals And Consultants

Gail Abercrombie

Ed Bartlett

Roy Brown

Dexter Busby

Thomas E. Ebzery

John Evans, P.E.

Darryl L. Flowers

John Fredlund

David Galt

Bob Gilbert

William Hansen

Peggy Hart

Terry Holzwarth

Joseph C. Icenogle

Kevin T. King, CPA

Melissa Lewis

Jame E. Masson

Mark Metz

Duane Mitchell

Ken Morrison

Michael Okerman

Robert Schalla

Barb Skelton

Luke Studer

Herb Thackeray

Bill War

Gary Willis

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