R. G. Johnson
R.G. Johnson Company, Inc. is a privately held, 1917-founded specialty underground construction services provider based in Waynesburg, PA, delivering large-diameter shaft sinking (depths beyond 1,500 ft) and mining/construction services to coal, limestone, aggregate, and industrial enterprise customers across Northern Appalachia.
- Company typePrivate
- Founded1917
- HeadquartersMidvale, United States
- Headcount11–50
- GTM typeB2B
- OfferingServices
What R. G. Johnson does
R.G. Johnson Company, Inc. is a privately held specialty underground construction services provider headquartered in Waynesburg, Pennsylvania. Founded in 1917 and operating continuously for over a century, the company focuses on large-diameter shaft sinking for mining and underground infrastructure customers, with demonstrated capability at depths exceeding 1,500 feet and diameters up to 25 feet. Its service portfolio centers on Shaft Sinking (custom-configured circular, elliptical, and round-end vertical shafts), Specialty Mining and Construction Services (hoisting, bolting, shotcrete, elevator steel installation, structural steel modification, concrete pumping, long-hole drilling), the proprietary Celufill lightweight concrete backfill product (a trade-secret formulation enabling shaft sinking through previously mined areas), Limestone Mine Services, and Hollow Bar Micropiles for deep-foundation work.
The company operates a project-based B2B model, generating revenue through one-off construction contracts with major mining operators and industrial clients across Northern Appalachia. Pricing is project-specific and quote-based, with no public disclosures; relationships are built through reputation and competitive bidding rather than productized channels. Distribution is exclusively direct enterprise sales, with no resellers or platform channels. Named customers include Murray Energy, Alliance Resource Partners, CONSOL Energy, Arch Coal, Buchanan Minerals (Coronado Coal), Alpha Natural Resources, Peabody Energy, Contura/Alpha Metallurgical Resources, Iron Mountain, U.S. Steel, Allegheny Mineral, Greer Industries, Dana Mining, NIOSH, and ACNR.
Operating geographies span southwestern Pennsylvania, northern West Virginia, Kentucky, and Virginia. The company is family-owned with no disclosed outside capital, runs 51–100 employees, and pursues modest diversification into adjacent segments (limestone, aggregate, metallurgical coal, deep foundations) while remaining anchored to a coal-industry end-market that is in secular decline. R.G. Johnson maintains a corporate website and Facebook page as its principal marketing presence; the technology stack is mechanical and materials-engineering-based with no digital platform, SaaS, or AI/ML components.
R. G. Johnson firmographics
Firmographics- Name
- R. G. Johnson
- Legal name
- R.G. Johnson Company, Inc.
- Website
- https://rgjohnsoninc.com
- Company type
- Private
- Founded year
- 1917
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- R.G. Johnson Company, Inc. is a privately held, 1917-founded specialty underground construction services provider based in Waynesburg, PA, delivering large-diameter shaft sinking (depths beyond 1,500 ft) and mining/construction services to coal, limestone, aggregate, and industrial enterprise customers across Northern Appalachia.
- Ownership category
- akta.pro rank
R. G. Johnson industry classification
Industry- Product category
- Underground Mining Construction Services
- NAICS
- Support Activities for Coal Mining (213113), Support Activities for Mining (2131)
- SIC
- Heavy Construction Other Than Bldg Const - Contractors (1600)
- akta.pro industry
- Mine Construction & Development Contracting (Shaft Sinking, Tunneling, Pre-Strip, Civil Works)Industrials, Manufacturing & Construction/Metals & Mining/Mining Services & Contracting (Exploration, Drilling, Blasting, Mine Operations)Shaft Sinking, Raise Boring & Underground Development WorksIndustrials, Manufacturing & Construction/Metals & Mining/Mine Development, Engineering & EPC (Design, Construction, Closure & Reclamation)Mine Operations Contracting (Open-Pit & Underground Development, Production, Load/Haul)Industrials, Manufacturing & Construction/Metals & Mining/Mining Services & Contracting (Exploration, Drilling, Blasting, Mine Operations)Mine Maintenance & Asset Reliability Contracting (Mobile/Fixed Plant Maintenance, Shutdowns, Overhauls)Industrials, Manufacturing & Construction/Metals & Mining/Mining Services & Contracting (Exploration, Drilling, Blasting, Mine Operations)
Keywords
Where R. G. Johnson is headquartered
LocationHeadquarters
- HQ city
- Midvale
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
R. G. Johnson business model
Business model- GTM type
- B2B
- Offering type
- Services
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales, Infrastructure
Revenue model
- Project-Based Construction Services: R.G. Johnson generates revenue through large-scale, project-based contracts for shaft sinking, underground construction, and specialty mining services. Revenue is derived from direct contracts with mining companies for specific projects with defined scopes of work including excavation, support, lining, and specialized services. Projects vary significantly in size and duration, from critical repairs to multi-year capital projects.
Go-to-market motion1 record
Distribution channels1 record
Marketing channels3 records
R. G. Johnson product offering
Product offeringCore offering
R.G. Johnson fundamentally provides custom large-diameter shaft sinking and underground construction services for the mining industry, complemented by specialty services such as hoisting, shotcrete, bolting, ground support, elevator steel installation, concrete pumping, and long hole horizontal drilling. Its proprietary Celufill lightweight concrete backfill product enables shaft construction in challenging and previously mined areas. Projects are delivered as turn-key contracts for major coal, metallurgical coal, limestone, and industrial mineral operators across Northern Appalachia.
Product overview
R.G. Johnson Company, Inc. is a specialty underground services provider offering shaft sinking and mining construction services. The company's core offering centers on Shaft Sinking services, which provide custom-configured vertical shafts for mining operations at depths exceeding 1,500 feet. This is complemented by Specialty Mining and Construction Services encompassing hoisting, backfill (using proprietary Celufill), bolting/ground support, elevator steel installation, shotcrete application, and structural steel modification. The company also offers specialized services including Hollow Bar Micropiles for deep foundation applications and Limestone Mine Services for ground control in underground limestone operations. The portfolio functions as an integrated set of construction and support services for mining operations, with the Shaft Sinking service serving as the primary revenue driver.
Differentiator
Problem solved
Functional benefit
Products and services
- Shaft Sinking Custom-configured large-diameter shaft construction (circular, elliptical, round-end, single or multi-compartment) at depths up to and over 1,500 feet, including customized shaft collars, bottom stations, and dual-compartment designs for intake/return ventilation. Targeted at underground mining operators requiring vertical access for ventilation, personnel/material hoisting, equipment portals, and emergency egress.
- Specialty Mining and Construction Services Comprehensive specialty construction services including hoisting, backfilled shafts using Celufill lightweight concrete, bolting and ground support, elevator steel installation, shotcrete application, arch backfill installation, structural steel modification, concrete pumping, long hole horizontal drilling, and specialty hauling for mining operators.
- Hollow Bar Micropiles Deep foundation solution using hollow, fully threaded steel bar that functions as both drilling tool and structural reinforcement, enabling simultaneous drilling and grouting in difficult soil conditions including collapsible soils, large boulders, and subsurface obstructions. Targeted at industrial and mining clients needing reliable foundation support.
- Limestone Mine Services Underground ground control services for limestone and aggregate mining operations, including bolting, mesh, and shotcrete installation; highwall stabilization up to 120 feet; new mine entry development; concrete foundation repairs; and steel structure repairs and fabrication.
- Celufill Lightweight Concrete Backfill Proprietary lightweight concrete backfill used for backfilled shafts and arch backfill installation, with compressive strength sufficient to support work from above while remaining light enough to easily excavate; can be pumped long distances from remote surface locations or installed from underground. Targeted at mining operators needing barriers between shaft construction areas and underground workings.
Companies that use R. G. Johnson
Customer profileNamed customers10 records
Segments2 records
Ideal customer profiles2 records
R. G. Johnson technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature1 record
R. G. Johnson partnerships and signals
Strategic signalScale indicators2 records
Recent moves5 records
Expansion highlights5 records
R. G. Johnson competitors and assessment
Company assessmentDirect peers
- Redpath Mining: Global shaft sinking and underground mining contractor providing raise boring, shaft construction, mine development, and production services—directly comparable in service mix and target customer base.
- Harrison Western Construction Corporation: U.S. underground and heavy civil contractor offering shaft sinking, tunnel construction, and ground stabilization for mining and infrastructure projects—directly comparable as a specialty shaft contractor serving similar markets.
- Frontier-Kemper Constructors: A U.S.-based shaft sinking and underground heavy civil contractor (subsidiary of Tutor Perini Corporation) that specializes in large-diameter shaft construction, mine development, and tunneling for the mining industry—directly comparable in core service line and customer type.
- Byrnecut: Internationally focused underground mining contractor offering shaft sinking, mine development, and production services—comparable service mix though primarily operating in Australia and select international markets.
- Thyssen Mining: Shaft sinking and underground construction specialist (formerly Thyssen Schachtbau) serving mining and heavy civil projects in North America—directly comparable in shaft sinking methodology and customer base.
- Cementation USA: Subsidiary of Murray & Roberts specializing in shaft sinking, raise boring, and underground mine development for coal, metal, and potash mining—directly comparable in scope of large-diameter shaft construction services.
- Macmahon Underground: Underground mining services subsidiary delivering shaft sinking, mine development, and production contracting—comparable scope with regional focus outside North America.
- DMC Mining Services: Underground mining contractor providing shaft sinking, raise boring, mine construction, and production support across North America—directly comparable in core underground services offering.
Broad incumbents
- Stantec Mining: Broader engineering and consulting firm providing mine design, shaft planning, and underground infrastructure services—comparable only as an upstream/adjacent player in shaft and mine construction decision-making.
- Boart Longyear: Larger incumbent providing drilling services, equipment, and consumables to the mining industry with overlap in exploration and production drilling support—comparable as a mining services supplier, though broader in scope than shaft construction.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks6 records
Key highlights6 records
Customer concentration
R. G. Johnson social profiles
Digital presenceR. G. Johnson financial estimates
Financial estimateRevenue estimate
Valuation estimate
R. G. Johnson leadership team
Management profileNumber of profiles
R. G. Johnson funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
R. G. Johnson M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about R. G. Johnson
What does R. G. Johnson do?
R.G. Johnson fundamentally provides custom large-diameter shaft sinking and underground construction services for the mining industry, complemented by specialty services such as hoisting, shotcrete, bolting, ground support, elevator steel installation, concrete pumping, and long hole horizontal drilling. Its proprietary Celufill lightweight concrete backfill product enables shaft construction in challenging and previously mined areas. Projects are delivered as turn-key contracts for major coal, metallurgical coal, limestone, and industrial mineral operators across Northern Appalachia.
Is R. G. Johnson a public or private company?
R. G. Johnson is a private company. It is classified as family owned and is currently operating.
When was R. G. Johnson founded?
R. G. Johnson was founded in 1917. It employs 11 to 50 people.
Where is R. G. Johnson based?
R. G. Johnson is headquartered in Midvale, United States, in the North America region.
How does R. G. Johnson make money?
One revenue line is on record: project-Based Construction Services.
Who are R. G. Johnson's main competitors?
Direct peers on record are Redpath Mining, Harrison Western Construction Corporation, Frontier-Kemper Constructors, Byrnecut, Thyssen Mining, Cementation USA, Macmahon Underground and DMC Mining Services. Broad incumbents are Stantec Mining and Boart Longyear.
Does R. G. Johnson have an API?
No public API is recorded for R. G. Johnson.
What industry is R. G. Johnson in?
R. G. Johnson's product category is Underground Mining Construction Services. Its primary akta.pro industry code is IMAKAKAG, Mine Construction & Development Contracting (Shaft Sinking, Tunneling, Pre-Strip, Civil Works), with a secondary code of IMAKAOAC, Shaft Sinking, Raise Boring & Underground Development Works. Its NAICS code is 213113 and its SIC code is 1600.