Harrison Western Construction

What Harrison Western Construction does

Harrison Western Construction is a privately held American specialty contractor founded in 1968 and headquartered in Lakewood, Colorado. The company delivers underground mine development and remediation, heavy civil and industrial construction, geotechnical/geo-construction, and traditional drill-and-blast tunneling services to government transportation and infrastructure agencies, mining operators, utility operators, water districts, and prime contractors across the United States and internationally. The company reports more than $2.5 billion in cumulative completed project value spanning dozens of countries and has built, maintained, or rehabilitated thousands of miles of underground passageways and tens of thousands of feet of soil nails, micropiles, MSE walls, rock bolts, and anchors.

The company's core technology is specialized underground and geotechnical construction rather than software or product platforms. In-house capabilities include portal and decline development, shaft sinking, drifting, stoping, drill-and-blast excavation, rockfall and slope stabilization, specialty grouting, shotcrete, and tunnel rehabilitation. Through its 2014 acquisition of Underground Infrastructure Technologies (UIT), the company also provides a full suite of trenchless technologies (auger boring, microtunneling, pipe jacking, pipe ramming, and bursting) for utility and stormwater installation in urban environments, plus a secondary line of business reselling excess specialized mining equipment.

The business model is project-based professional services, with revenue generated from competitively bid and relationship-driven contracts across federal, state, municipal, and private mining and utility clients. Project pricing is quote-driven and lump-sum or unit-priced, with no disclosed recurring-revenue or subscription component. Distribution is direct enterprise/field sales, supplemented by a website portfolio, LinkedIn presence, and email newsletter; marketing spend and channel investment are minimal. The company is privately held with no disclosed external investors, and no public financial reporting is available.

Name

Harrison Western Construction

Legal name

Harrison Western

Website

https://harrisonwestern.com

Company type

Private

Founded year

1968

Operating status

Operating

Headcount range

51–100 employees

Short description

Harrison Western Construction is a privately held, US-based specialty contractor founded in 1968 that delivers underground mine development, heavy civil, geotechnical, and tunneling services to government agencies, mining operators, utilities, and prime contractors.

Ownership category

akta.pro rank

Product category

Underground Construction Services

NAICS

Support Activities for Metal Mining (213114), Heavy and Civil Engineering Construction (237), Other Heavy and Civil Engineering Construction (237990), Site Preparation Contractors (23891), Support Activities for Nonmetallic Minerals (except Fuels) Mining (213115)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600), Metal Mining (1000), Construction, Mining & Materials Handling Machinery & Equip (3530), Mining Machinery & Equip (No Oil & Gas Field Mach & Equip) (3532)

akta.pro primary industry

Mine Construction & Development Contracting (Shaft Sinking, Tunneling, Pre-Strip, Civil Works) (IMAKAKAG)

akta.pro secondary industries

Mine Operations Contracting (Open-Pit & Underground Development, Production, Load/Haul) (IMAKAKAD), Shaft Sinking, Raise Boring & Underground Development Works (IMAKAOAC), Tunnel Construction (Road, Rail, Utility) (IMAFAEAC), Tunnels & Underground Rail Civil Construction (IMAFAFAE), Trenching & Utility Excavation (IMAFAKAD)

Keywords

• Underground construction
• Mining services
• Tunnel construction
• Geotechnical construction
• Heavy civil construction

Headquarters

HQ city

Lakewood

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Supply Chain, Technology or R&D, Marketing or Sales

Revenue model

1. Construction Services - Mining: Underground mining development, construction, maintenance, closure, remediation, and contract mining services including portal development, shaft sinking, drifting, and equipment installation.
2. Tunneling Services: Traditional drill and blast tunneling and tunnel rehabilitation services for railroads, mining companies, departments of transportation, utilities and water/sewer/irrigation operators.
3. Geo-construction Services: Geotechnical construction including ground control assessment, micropiles, shoring, retaining wall construction, landslide stabilization, rockfall mitigation, and specialty grouting.
4. Heavy Civil & Industrial Construction: Above-ground drilling and blasting, rockfall mitigation, rock bolts and anchors, shotcreting, shoring, dam infrastructure, and MSE walls for transportation and utility projects.
5. Equipment Sales: Sale of excess mining equipment including drills, shaft muckers, and jumbo drills.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Harrison Western Construction is a specialty contractor providing underground mine development, heavy civil construction, geo-construction, and tunneling services to government agencies, mining companies, utility operators, and large general contractors. Through its wholly-owned subsidiary Underground Infrastructure Technologies (UIT), the company additionally delivers trenchless utility installations including auger boring, microtunneling, pipe jacking, ramming, and bursting. The company also sells excess mining equipment such as shaft jumbos, muckers, and drills.

Product overview

Harrison Western Construction is a mining and heavy civil construction company offering a unified portfolio of specialized services rather than a software product platform. The core offerings span four main areas: Underground Mine Development and Remediation, Heavy Civil & Industrial Construction, Geo-Construction Services, and Tunneling Services. Through its subsidiary Underground Infrastructure Technologies (UIT), the company also provides trenchless utility installation services. The company additionally sells used mining equipment including the Boart Longyear StopeMate Drill, Joy Vertical Shaft Mucker, and Joy Sj255h Hydraulic Shaft 2 Boom Jumbo. Services are delivered through various methods including drill & blast, trenchless technologies, and specialized geotechnical techniques.

Differentiator

Problem solved

Functional benefit

Brands

• Underground Infrastructure Technologies, LLC (UIT): A division of Harrison Western, UIT is a full service utility contractor specializing in trenchless technologies.

Products and services

• Underground Mine Development
• Underground Mine Remediation
• Heavy Civil & Industrial Construction
• Geo-Construction Services
• Tunneling Services
• Joy Sj255h Hydraulic Shaft 2 Boom Jumbo (Equipment for Sale)
• Joy Vertical Shaft Mucker VSM-14 (Equipment for Sale)
• Boart Longyear StopeMate Drill (Equipment for Sale)

Named customers7 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• Underground Infrastructure Technologies, LLC (UIT)coreOEM/ Whitelabel/ Licensing PartnerUIT is a division/subsidiary of Harrison Western, acquired in 2014. It is a full service utility contractor specializing in trenchless technologies including auger boring, microtunneling, pipe jacking, ramming, and bursting. UIT performs wet and dry utility installations utilizing both trenchless technologies and open cut excavation across multiple geographic markets. UIT operates under Harrison Western's leadership (Joe Diesslin serves as President of both UIT and Harrison Western).

Scale indicators5 records

Recent moves5 records

Expansion highlights5 records

Direct peers

• Nicholson Construction Company: Specialty geotechnical and foundation contractor providing micropiles, ground anchors, soil nailing, and slope stabilization. Directly comparable to Harrison Western's geo-construction and ground improvement services.
• Frontier-Kemper Constructors: Specialty contractor performing shaft sinking, heavy civil tunneling, and underground construction for mining and infrastructure clients. Highly comparable to Harrison Western's core mine development, tunneling, and shaft sinking services.
• Redpath Mining Constructors: Global underground mining contractor providing shaft sinking, mine development, production mining, and raise boring. Highly comparable to Harrison Western's mining services across similar customer base of mining operators.
• Thyssen Mining: Underground mine construction contractor offering shaft sinking, mine development, and contract mining in North America. Comparable scope of underground services and similar customer profile of mining operators.
• Cementation USA: Underground mine construction contractor specializing in shaft sinking, lateral development, and mine infrastructure for metal and industrial mineral mining. Directly competes with Harrison Western's underground mine development offering.

Broad incumbents

• Hayward Baker (Keller Group): Largest North American geotechnical specialty contractor offering grouting, ground improvement, and earth retention as part of Keller's global portfolio. Overlaps with Harrison Western's geo-construction offering but with broader geographic reach and parent backing.
• J.F. Shea Construction: Heavy civil contractor specializing in tunneling, underground construction, and water infrastructure. Directly comparable on tunnel and underground projects but at significantly larger scale and broader service mix.
• Traylor Bros. Heavy civil and underground contractor performing tunnel, transit, and water infrastructure projects. Comparable on tunneling and heavy civil work but with broader capabilities and larger scale than Harrison Western.
• Kiewit Infrastructure Co. Major North American heavy civil contractor performing tunneling, underground, and rail/transit infrastructure projects. Competes with Harrison Western on large tunneling scopes but as part of a much larger, diversified construction portfolio.

Emerging players

• Strata Worldwide: Underground mining services provider focused on ground control, ventilation, and digital mine monitoring solutions. Adjacent comparison to Harrison Western's underground mining business, with overlap in mine infrastructure and safety services.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/harrison-western

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Harrison Western Construction