Name

Lorton Stone, Llc

Legal name

Lorton Stone, LLC

Website

https://lortonstone.com

Company type

Private

Founded year

2007

Operating status

Operating

Ownership category

akta.pro rank

Headquarters

HQ city

Springfield

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Specialty Stone Subcontracting: Lorton Stone operates as a specialty subcontractor providing stone and masonry services on construction projects. Revenue is generated through fixed-price subcontracts for specific stonework scopes on federal, civic, institutional, and commercial projects. Work includes restoration, new installation, and preservation of stone elements.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels4 records

Core offering

Lorton Stone operates as a specialty stone subcontractor providing masonry construction and historic stone restoration services. The company fabricates and installs exterior granite, limestone, and marble cladding; interior marble, limestone, and granite work; rubble stone to match historic structures; historic stone restoration; and intricate ceramic and marble mosaics. Work is delivered through general contractors on competitive bids for federal, state, institutional, and commercial construction projects.

Product overview

Lorton Stone, LLC is a masonry and restoration specialist company offering a unified portfolio of stonework services. The core offering consists of stone and masonry restoration (including rubble stone, granite, limestone, and marble), monument restoration, exterior stone cladding, interior stone work, and ceramic/marble mosaics. Project-specific services include exterior stone and metal preservation (e.g., U.S. Capitol facade restoration), building envelope repair (e.g., Russell Senate Office Building), and historic renovation with salvaged material reinstallation (e.g., Folger Shakespeare Library). These services are delivered through a supervisory team and skilled craftsmen, primarily serving federal, civic, and institutional clients across the Mid-Atlantic region.

Differentiator

Problem solved

Functional benefit

Products and services

• Stone and Masonry Restoration Historic stone restoration services including rubble stone matching, exterior granite, limestone, and marble cladding, and interior stone work for federal, civic, and institutional buildings.
• Monument Restoration Preservation and restoration of monuments and memorials including cleaning, repointing, crack repairs, and stone replacement for landmarks such as Sheridan Circle, Columbus Circle, and Freedom Plaza.
• Exterior Stone Cladding Fabrication and installation of exterior stone cladding on commercial and institutional buildings, including granite, limestone, and marble facades.
• Interior Stone Work Interior marble, limestone, and granite installation for lobbies, floors, walls, and custom features in commercial and institutional settings.
• Ceramic and Marble Mosaics Intricate ceramic and marble mosaic fabrication and installation for historic and contemporary architectural projects.

Quantifiable outcome

• Won 2024 Grande Pinnacle Award from Natural Stone Institute for Washington National Cathedral South Transept restoration
• +2 more outcomes

Named customers17 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

Five partnerships are on record, tiered major and core.

• Terra ConstructsmajorImplementation/ SI/ Consulting Partner · 1 July 2026General contractor for National Park Service projects including Freedom Plaza restoration where Lorton Stone served as subcontractor for stone restoration across the 87,000-square-foot plaza.
• DAVIS ConstructioncoreImplementation/ SI/ Consulting Partner · 24 February 2026General contractor partner on Reston Row District East Garage project where Lorton Stone provided exterior stone work, earning the 2026 WBC Craftsmanship Award for Exterior Stone.
• Manguiri ContractingmajorImplementation/ SI/ Consulting Partner · 1 January 2026General contractor for National Park Service Simon Bolivar Memorial Park Improvements project where Lorton Stone provided stone and masonry restoration.
• Wiss, Janney, Elstner AssociatescoreStrategic or Co-development Partner · 28 January 2025Structural engineering firm that collaborated with Lorton Stone on the Washington National Cathedral South Transept restoration project, which won the 2024 Grande Pinnacle Award from the Natural Stone Institute.
• The Christman CompanycoreImplementation/ SI/ Consulting Partner · 1 January 2024Major general contractor that named Lorton Stone 2024 DC Metro Subcontractor of the Year for consistent excellence across more than 21 shared projects including Virginia State Capitol, Maryland State House, Mount Vernon, and Cannon House Office Building.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Gilbane Building Company: Major national construction manager with established federal, civic, and institutional practices including historic preservation scopes. Larger and broader than Lorton Stone, but competes for the same GC and direct-bid opportunities on federal restoration work.
• Consigli Construction Co., Inc. Large multi-region general contractor with a dedicated historic restoration practice serving institutional and federal clients across the Northeast and Mid-Atlantic. Broader portfolio and scale than Lorton Stone, with overlapping specialty restoration capability.

Others

• DAVIS Construction: DC-area general contractor and frequent Lorton Stone GC partner on commercial and institutional work (e.g., Reston Row). Comparable as a channel partner rather than a competing stone subcontractor.
• The Christman Company: Mid-Atlantic and national general contractor and Lorton Stone's most significant GC partner, with 21+ shared projects and Subcontractor of the Year recognition. Not a direct competitor for stone scopes, but a key channel and competitive context.
• Wiss, Janney, Elstner Associates: National structural and architectural engineering firm that partnered with Lorton Stone on the Washington National Cathedral South Transept restoration. Comparable as an enabling partner in the same federal preservation ecosystem rather than a competing trade contractor.
• Grunley Construction Company: DC-area general contractor specializing in government and institutional building renovation, including historic preservation. Channel partner for Lorton Stone on federal scopes; comparable in shared federal customer base.

Direct peers

• Building Conservation Associates: Northeast-based historic preservation consulting and contracting firm focused on masonry, stone, and architectural conservation for landmark civic and institutional buildings — a direct peer in specialty masonry restoration serving similar preservation clients.
• EverGreene Architectural Arts: NYC-based decorative arts and architectural restoration firm specializing in historic interior ornament, murals, and stone/mosaic work for landmark civic and institutional buildings — a direct peer in specialty restoration craftsmanship and federal/heritage client mix.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/lorton-stone-llc

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 Lorton Stone, Llc