Cornerstone Excavating Inc

What Cornerstone Excavating Inc does

Cornerstone Excavating Inc (DBA Cornerstone Excavation) is a privately held, fully licensed and insured excavation and demolition contractor founded in 1995 and headquartered at 16112 Thoroughfare Rd, Broad Run, Virginia. The firm operates as a single integrated service provider across seven earthwork lines: excavation, demolition (Class A licensed), site preparation and development, grading, topsoil and rock supply, ponds and lakes construction, and concrete hauling and debris disposal. Its core technology stack is physical rather than digital — heavy excavation and demolition equipment with state-of-the-art machinery used for precision grading, trenching, and land-clearing work.

The company's revenue model is project-based: customers (predominantly residential homeowners, with a secondary light-commercial segment) receive free phone or on-site estimates, after which services are quoted and delivered on a per-project basis by the company's own crews in Virginia, Maryland, and Washington DC. Pricing is quote-driven and not publicly listed; the firm offers discounts to seniors and U.S. military veterans. Lead generation is primarily through a company website with dedicated service pages, a contact form, and a single published phone line (703-314-5778), supplemented by referral relationships with architects, builders, and engineers active in the DMV region.

Cornerstone is described as operating with a team of skilled professionals and state-of-the-art equipment, executing a standardized three-step process (site assessment and estimate, work execution, and final walk-through) for residential and light-commercial projects of varying size. The firm has no parent company, no institutional investors, no disclosed leadership team, and no public listing. It does not publish revenue, headcount growth metrics, or any technology or AI-related capabilities.

Name

Cornerstone Excavating Inc

Legal name

Cornerstone Excavation Inc.

Website

https://cornerstoneexcavationinc.com

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

1–10 employees

Short description

Cornerstone Excavating Inc is a privately held, Class A licensed excavation and demolition contractor founded in 1995 in Broad Run, Virginia, serving residential and light-commercial customers across Virginia, Maryland, and Washington DC with seven integrated earthwork service lines delivered by its own crews on a quote-based project model.

Ownership category

akta.pro rank

Product category

Excavation and Site Preparation Services

NAICS

Poured Concrete Foundation and Structure Contractors (23811)

SIC

Heavy Construction Other Than Bldg Const - Contractors (1600)

akta.pro primary industry

Mass Excavation & Bulk Earthmoving (Cut/Fill, Grading) (IMAFAKAC)

akta.pro secondary industries

Trenching & Utility Excavation (IMAFAKAD), Demolition, Debris Removal & Site Cleanup (HSAPAOAC)

Keywords

• Excavation services
• Site preparation
• Demolition services
• Grading and earthwork
• Topsoil and aggregate supply

Headquarters

HQ city

Broad Run

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Marketing or Sales

Revenue model

1. Excavation and Construction Services: One-time service fees for excavation, demolition, grading, site preparation, and related construction services. Services are project-based with quotes provided after site assessment. The company also generates revenue from material supplies including topsoil, fill dirt, sand, and rock.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Core offering

Cornerstone Excavating Inc provides excavation, demolition, site preparation, grading, topsoil and rock supply, pond and lake construction, and concrete hauling services to residential, commercial, municipal, and agricultural customers in Virginia, Maryland, and Washington DC. Projects are scoped via quotes and delivered with in-house crews and equipment. The company also sells fill material, topsoil, river rock, and ABC stone as part of its earthwork offerings.

Product overview

Cornerstone Excavation Inc. is a fully licensed and insured excavation and demolition contractor serving Virginia, Maryland, and Washington DC since 1995. The company operates as a single-service business offering an integrated suite of earthmoving and site development solutions for residential and light commercial projects. Its core offerings include Excavation Services, Demolition Services, Site Preparation and Development, Grading Services, Topsoil and Rock Supplies, Ponds and Lakes Construction, and Concrete Hauling and Debris Disposal. These services are designed to work together as a complete project lifecycle solution, from initial land clearing and demolition through site preparation, excavation, grading, and final material deliveries.

Differentiator

Problem solved

Functional benefit

Products and services

• Excavation Services Excavation of soil, rock, and earth for residential, commercial, agricultural, and municipal projects in Virginia, Maryland, and Washington DC. Services are scoped via quotes and delivered with in-house crews and equipment.
• Demolition Services Demolition of existing structures in preparation for new construction or land clearing projects. Delivered with the company's own demolition equipment and crews for customers across Virginia, Maryland, and Washington DC.
• Site Preparation End-to-end site preparation services for construction and land development projects, bundling clearing, earthwork, and grading to ready sites for building.
• Grading Services Precision grading to establish proper elevation, drainage, and base conditions for construction sites, driveways, pads, and land improvements in Virginia, Maryland, and Washington DC.
• Topsoil and Rock Supplies Supply and delivery of fill material, topsoil, river rock, and ABC stone for landscaping, site work, and construction projects. Materials are sourced and delivered by the company to customers across the Virginia / Maryland / DC region.
• Ponds and Lakes Construction Construction of ponds and lakes on private, agricultural, and development properties in Virginia, Maryland, and Washington DC, leveraging the company's excavation and grading capabilities.
• Concrete Hauling Hauling of concrete in support of demolition and construction projects, provided with the company's own hauling equipment and crews across Virginia, Maryland, and Washington DC.

Quantifiable outcome

• Improved drainage and lower risk of foundation settling through proper land grading
• +1 more outcomes

Segments2 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Sunbelt Rentals: National equipment-rental provider offering excavators, skid-steers, and demolition attachments that residential and light-commercial customers can rent as a substitute for hiring Cornerstone's crew; broadly incumbent in the same equipment ecosystem.
• United Rentals: Largest equipment-rental company in North America with an extensive fleet of excavation and earthmoving machinery, representing both a potential equipment supplier and a substitute channel for DIY/self-perform customers Cornerstone otherwise serves.

Others

• Caterpillar Inc. OEM of the excavators, dozers, and skid-steers Cornerstone operates; an indirect ecosystem participant whose equipment availability, pricing, and technology shape Cornerstone's capital costs and service capability.
• Komatsu: Global construction-equipment manufacturer of excavators and earthmoving machinery that Cornerstone could deploy; an adjacent, enabling player in the contractor ecosystem rather than a direct competitor.
• John Deere Construction: Construction-equipment division of Deere & Company producing excavators and compact construction equipment; an equipment supplier and ecosystem participant whose product decisions affect Cornerstone's operating capabilities.

Direct peers

• D.H. Griffin Companies: Large multi-service demolition, environmental, and site-recovery contractor that directly competes with Cornerstone's demolition and site-preparation offerings, although at significantly greater scale and regional breadth.
• IMCO Construction: Heavy civil contractor performing excavation, site preparation, and underground utilities for infrastructure and building projects; competes for the same light-commercial and infrastructure site-prep work in adjacent geographies.
• Bierlein Companies: Demolition, environmental remediation, and site services contractor with overlapping core services to Cornerstone (demolition, site prep, debris removal); operates regionally with a similar project-based delivery model.
• Controlled Demolition Inc. Specialty demolition contractor offering structural demolition, site clearing, and debris removal — overlapping directly with Cornerstone's demolition and concrete-hauling services, though typically engaged on larger and more complex structures.
• Penhall Company: Concrete cutting, demolition, and environmental services firm with a directly comparable demolition and site-clearing service mix, though national in scale versus Cornerstone's regional DMV footprint.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/cornerstone-excavating-inc

Revenue estimate

Valuation estimate

Number of profiles

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 Cornerstone Excavating Inc