Skip to main content
MENU
100% Employee Owned
Markets
Civic
Government
Justice
Culture
Arts
Libraries
Sports & Recreation
Commercial & Real Estate
Mixed-Use & Retail
Workplace
Office
Defense & Intelligence
Civilian Agencies
Installations
Mission Critical & Security
Education
Higher Education
K-12 Schools
Finance
Banks & Trading Companies
Insurance Companies
Retail Banks
Health
Acute Care
Ambulatory Care
Behavioral & Mental Health
Cancer Centers
Pediatrics
Translational Health Sciences
Hospitality
Hotel
Restaurant
Industrial
Food & Beverage
Manufacturing & Supply Chain Facilities
Mining
Oil & Gas
Power
Power Generation
Renewable Energy
Transmission & Distribution
Science
Containment
Interdisciplinary
Life Sciences
Physical Sciences
Public Health
Vivaria
Tech/Media/Telecom & Data
Data Centers
Microelectronics & Nanotechnology
Transportation
Aviation
Freight Rail
Highways & Roads
Ports & Maritime
Transit
Urban & Community Development
Community Design
Parks, Plazas & Streetscapes
Transit Oriented Development
Urban Redevelopment
Waste
Hazardous Waste & Remediation
Solid Waste
Water
Conveyance
Drinking Water
Fisheries
Wastewater
Water Resource Management
Services
Architecture
Asset Management
Coastal Engineering & Restoration
Commissioning & Operations
Economics & Finance
Engineering
Environmental Sciences
Planning & Consulting
Program Management
Project Delivery
Research
Right of Way
Sustainability & Resiliency
Portfolio
Insights
News & Events
Company News
Awards & Achievements News
People News
Events
About Us
Awards & Rankings
Board of Directors
Corporate Sustainability
HDR Foundation
History
Inclusion, Diversity & Equity
Careers
Search Jobs
Working at HDR
Benefits
Internships
Military/Veterans
Recruitment Events
Locations
Contact Us
SELECT COUNTRY
USA
Australia
Canada
UK
SELECT COUNTRY
Search
United States
Helena, Montana
910 N. Last Chance Gulch
Suite B
Helena
,
MT
59601-3395
United States
Get directions
Phone
(406) 207-7590
