Highway
Blahnik Construction
Border States Paving
Bullock Contracting LLC
Castlerock Concrete, Inc.
Central Electric, Inc.
Century Companies, Inc.
COP Construction, LLC
Dick Anderson Construction
Dick Irvin, Inc.
Donaldson Bros. Ready Mix, Inc.
Eckart Trucking, Inc.
Economy Excavating & Landscaping
Falls Construction Co.
Frank Gurney, Inc.
Frontier West LLC
Go Pro Construction
Gratech Company, Ltd.
Grizzly Corporation
H & H Contracting, Inc
Hardrives Construction, Inc.
Helena Sand & Gravel
HighMark Traffic Services, Inc.
Highway Specialties, Inc.
Highway Specialties, Inc./Western Sign
Highway Technologies, Inc.
HK Contracting, Inc.
Hufford Construction
Jim Gilman Excavating, Inc.
Johnson-Wilson Constructors, Inc.
Kiewit Western Co.
KM Construction Co., Inc.
Knife River
L.S. Jensen Construction
Little Bear Construction Company, Inc.
Lonesome Dove Concrete Pumping
M K Weeden Construction, Inc.
Montana Lines, Inc.
Morgen & Oswood Construction Co., Inc.
Northern Improvement Company
Oftedal Construction, Inc.
Oldcastle Materials - MT Companies
Omo Construction, Inc.
Pavement Maintenance Solutions, Inc.
Pavlik Electric Co., Inc.
Planned & Engineered Construction
Poteet Construction, Inc.
Precision Drilling & Blasting, Inc.
Prince, Inc.
Prouse Construction, Inc.
PUMCO, Inc.
R.E. Miller & Sons
Rice-Kilroy Construction Company, Inc.
Riverside Contracting, Inc
Riverside Sand & Gravel, Inc.
Sandry Construction Company, Inc.
Schellinger Construction
Section 16 LFP
Shumaker Trucking & Excavating
Sime Construction, Inc.
SK Construction, Inc.
Sletten Construction Company
Spoklie's
T & T Contracting, Inc.
Tabbert Construction
Tamietti Construction Co.
Tom Roe & Son Construction, Inc.
Treasure State Concrete, Inc.
Treasure State Construction, Inc.
United Industry, Inc.
United Materials of Great Falls
Western Municipal Construction, Inc.
Wickens Construction
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Industrial
COP Construction, LLC
Frontier West LLC
Gratech Company, Ltd.
HiLine Redi Mix LLC
Kiewit Western Co.
Knife River
Martel Construction Co.
Morgen & Oswood Construction Co., Inc.
Oldcastle Materials - MT Companies
Pavlik Electric Co., Inc.
Pioneer Concrete & Fuel, Inc.
R & R Taylor Construction, Inc
Shumaker Trucking & Excavating
Sletten Construction Company
Swank Enterprises
Tamietti Construction Co.
T-Bend Construction
Western Interstate, Inc.
Interiors
Fontecilla Custom Interiors, Inc.
Mechanical
Wadsworth Builders Co., Inc.
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Municipal Utility
Barnard Construction Co.
Bullock Contracting LLC
Central Electric, Inc.
COP Construction, LLC
Dick Anderson Construction
DYK, Incorporated
Economy Excavating & Landscaping
Falls Construction Co.
Go Pro Construction
Grizzly Corporation
HiLine Redi Mix LLC
Jensen Backhoe, Inc.
Johnson-Wilson Constructors, Inc.
Kiewit Western Co.
Knife River
L.S. Jensen Construction
Morgen & Oswood Construction Co., Inc.
Northern Improvement Company
Oldcastle Materials - MT Companies
Phillips Construction LLC
Planned & Engineered Construction
Rice-Kilroy Construction Company, Inc.
Sime Construction, Inc.
Sletten Construction Company
Swank Enterprises
United Industry, Inc.
United Materials of Great Falls
Walker Excavation, Inc.
Western Municipal Construction, Inc.
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Paving
Border States Paving
KM Construction Co., Inc.
Kootenai Paving and Construction
Pavement Maintenance Solutions, Inc.
Prouse Construction, Inc.
Treasure State Concrete, Inc.
Plumbing & Heating
Wadsworth Builders Co., Inc.
Pre-Cast
Porter Block, Inc.
Treasure State Construction, Inc.
Reclamation
Little Bear Construction Company, Inc.
Sand & Gravel
Blahnik Construction
Century Companies, Inc.
COP Construction, LLC
Falls Construction Co.
Fisher Sand & Gravel Co.
Goose Bay Equipment
Helena Sand & Gravel
Jim Gilman Excavating, Inc.
Knife River
M K Weeden Construction, Inc.
MRTE, Inc.
Northern Improvement Company
Oftedal Construction, Inc.
Oldcastle Materials - MT Companies
Porter Block, Inc.
Prince, Inc.
Riverside Contracting, Inc
Riverside Sand & Gravel, Inc.
Schellinger Construction
Section 16 LFP
Sletten Construction Company
Spoklie's
Tabbert Construction
Treasure State Construction, Inc.
United Industry, Inc.
United Materials of Great Falls
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Security Fence Rental
Grizzly Corporation
Steel Fabrication
Highway Technologies, Inc.
Traffic Control
Highway Specialties, Inc.
Highway Technologies, Inc.
Trucking
Phillips Construction LLC
Prouse Construction, Inc.
Shumaker Trucking & Excavating
Water Sewer service
Goose Bay Equipment
HK Contracting, Inc.
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