What Grunley Construction Company, Inc. does

Grunley Construction Company, Inc. is a full-service, privately held general contractor founded in 1955 and headquartered in Rockville, Maryland, with a regional office in Richmond, Virginia. The company specializes in high-profile, complex construction projects for public and private sector customers across the Washington metropolitan area and the broader Mid-Atlantic, with active projects in DC, Maryland, Virginia, and Pennsylvania. Grunley serves three primary verticals: Government (federal, state, and local agencies including Library of Congress, Pentagon, Smithsonian, IMF, U.S. Treasury, FDIC, Washington Dulles International Airport, Washington Monument, and Kennedy Center), Institutional (Georgetown University, American University, Montgomery College, Virginia Military Institute, Johns Hopkins Hospital), and Commercial (private office, retail, and multi-family).

The company's service portfolio is organized around three core pillars: Preconstruction Services (scope development, BIM modeling, conceptual estimating, value engineering, constructability reviews, and site logistics); Construction Services (general contracting, design-build, Construction Management at Risk, and self-perform work with 50+ skilled tradespeople available 24/7); and Virtual Design and Construction (3D/4D/5D modeling, reality capture, Ground Penetrating Radar, clash coordination, and AI-assisted progress tracking). Grunley also operates ICONIQ, a technology services sub-brand launched in 2023 that extends VDC, reality capture, and data analytics capabilities to external architects, engineers, and contractors. The firm has 340+ construction professionals on staff, including 41 LEED Accredited Professionals, and has delivered 75 LEED certified projects totaling more than 21.1 million square feet of sustainable construction with an aggregate construction cost of $5.82 billion.

Grunley generates revenue primarily through fixed-price and CMc construction contracts awarded via competitive bidding (especially for federal work) and direct enterprise sales to government and institutional clients. The company holds a $1.5 billion aggregate bonding capacity, reports annual revenues in excess of $560 million, and has performed CMc services on projects totaling more than $2.2 billion and 11.8 million gross square feet over the past 15 years. Grunley is family-owned (CEO Kenneth M. Grunley represents the second generation), privately held with no external institutional investors, and is a subcontractor ecosystem developer through its Associate Partner Training Program for small, disadvantaged, women-owned, HUBZone, and veteran-owned businesses.

Name

Grunley Construction Company, Inc.

Legal name

Grunley Construction Company, Inc.

Website

https://grunley.com

Company type

Private

Founded year

1955

Operating status

Operating

Headcount range

251–500 employees

Short description

Grunley Construction is a Rockville, MD-based general contractor specializing in high-profile government, institutional, and commercial construction across the Mid-Atlantic, with $560M+ annual revenue and 340+ professionals delivering design-build, CMc, and VDC services.

Ownership category

akta.pro rank

Product category

General Contracting and Construction Management Services

NAICS

Nonresidential Building Construction (2362)

SIC

General Bldg Contractors - Nonresidential Bldgs (1540)

akta.pro primary industry

Commercial General Contracting (New Build) (IMAFAAAA)

akta.pro secondary industries

Self-Performing General Contractors (IMAFAAAI), Construction Management (Agency/Owner’s Rep) (IMAFAAAC)

Keywords

• General contracting services
• Construction management at risk
• Historic building restoration
• Preconstruction planning services
• Design-build construction

Headquarters

HQ city

Rockville

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. General Construction Services: Revenue is generated through construction contracts for both public and private sector customers. The company specializes in building new facilities as well as additions, renovations, restorations and modernizations of large-scale commercial, institutional and government buildings. Annual revenues exceed $560 million.
2. Preconstruction Services: Provides preconstruction services including scope development, virtual design coordination, BIM modeling, conceptual estimating, value engineering, constructability reviews, site logistics and safety planning. These services are provided as part of the overall project delivery.
3. Construction Management at Risk (CMc): Over the past 15 years, Grunley has performed CMc services on various projects totaling more than $2.2 billion and 11.8 million gross square feet. The CMc delivery system allows collaboration with owners and design teams from earliest project stages.
4. Self-Perform Work: Self-performs key elements of work including selective demolition, salvage, concrete, masonry, protection, rough and finished carpentry, millwork, doors, frames and hardware, and wood and steel windows. Available 24/7 to serve client needs.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels5 records

Core offering

Grunley Construction Company, Inc. is a full-service general contractor providing preconstruction services, general contracting, design-build, Construction Management at Risk (CMc), and self-perform work for new construction, renovations, restorations, and modernizations of large-scale commercial, institutional, and government buildings. The firm operates primarily in the Washington metropolitan area and Mid-Atlantic region, with $560M+ in annual revenue and $1.5B aggregate bonding capacity, and complements its services with Virtual Design and Construction (VDC), Building Information Modeling (BIM), reality capture, and the ICONIQ technology initiative.

Product overview

Grunley Construction Company, Inc. is a full-service general contractor offering a unified suite of construction services organized around three core pillars: Preconstruction Services, Construction Services, and Virtual Design and Construction (VDC). The Preconstruction Services provide the foundation through scope development, BIM modeling, value engineering, and constructability reviews. Construction Services encompasses traditional general contracting, design-build delivery, construction management at risk (CMc), and self-perform work with over 50 skilled tradespeople. VDC services integrate advanced technology including 3D modeling, reality capture, and data analytics to streamline project execution. The company also operates ICONIQ, an innovation initiative launched in 2023 to extend technology solutions to clients, and offers an Associate Partner Training Program (APTP) for small business development. The portfolio spans commercial, institutional, and government sectors across the Washington metropolitan area.

Differentiator

Problem solved

Functional benefit

Brands

• ICONIQ: Launched in 2023, ICONIQ helps architects, engineers, and contractors leverage innovative solutions to improve the building process. The group provides services that further clients' investments in technology to help design and build buildings, and create more data visibility across the entire project team.

Products and services

• Preconstruction Services
• Construction Services
• Virtual Design and Construction (VDC)
• ICONIQ Innovative technology services initiative launched in 2023 to help architects, engineers, and contractors leverage innovative solutions to improve the building process, providing services that further clients' investments in technology to help design and build buildings and create more data visibility across the entire project team.
• Self-Perform Work More than 50 skilled foremen and tradesmen who self-perform key elements of construction work, including selective demolition, salvage, concrete, masonry, protection, rough and finished carpentry, millwork, doors, frames and hardware, and wood and steel windows. Crew is available 24/7 to serve client needs.

Quantifiable outcome

• Completed 75 LEED certified projects with 15 more under construction or awaiting certification
• +4 more outcomes

Named customers26 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability5 records

Feature4 records

Partnerships

One partnership is on record.

• ICONIQcoreStrategic or Co-development Partner · 1 January 2023In 2023, Grunley launched ICONIQ to help architects, engineers, and contractors leverage innovative solutions to improve the building process. The group provides services that further clients' investments in technology to help design and build buildings, and create more data visibility across the entire project team.

Scale indicators12 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Clark Construction Group: Headquartered in Bethesda, Maryland, Clark is one of the largest commercial/institutional GCs in the Mid-Atlantic and a direct competitor for federal, institutional, and historic projects across DC, Maryland, and Virginia with comparable bonding capacity.
• Whiting-Turner Contracting Company: Maryland-based, privately held commercial GC operating across the Mid-Atlantic with strong government, healthcare, and institutional portfolios — directly comparable in size, geography, and delivery methods to Grunley.
• DAVIS Construction: Rockville, Maryland-based commercial GC competing head-to-head with Grunley on commercial, government, and institutional projects throughout the DC metro area, with comparable Mid-Atlantic focus and project size.
• Balfour Beatty US: Operates a major Mid-Atlantic construction business delivering commercial, government, and infrastructure projects; competes with Grunley for federal and institutional work in DC and surrounding states.
• Turner Construction Company: One of the largest US commercial GCs with strong presence in DC; competes directly for large-scale government, healthcare, education, and commercial projects similar to Grunley's portfolio.
• Gilbane Building Company: Privately held, family-oriented national GC with strong public-sector, education, and healthcare focus; comparable delivery mix (CMc, design-build, general contracting) and customer overlap with Grunley.
• Donohoe Construction Company: Washington, DC-based commercial GC competing with Grunley for multifamily, hospitality, government, and commercial projects throughout the DC metro area.

Broad incumbents

• Skanska USA: Large multinational GC with a significant Mid-Atlantic civil and commercial building business; overlaps with Grunley on government, healthcare, and education work but offers a broader portfolio including civil infrastructure.
• Hensel Phelps: Large employee-owned national GC with federal, aviation, healthcare, and government services capabilities; competes for the same federal modernization and institutional work Grunley targets.

Emerging players

• Consigli Construction Co. Privately held Northeast/Mid-Atlantic GC with comparable size, family/employee ownership structure, and growing presence in institutional and historic projects adjacent to Grunley's portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UCnY4h1LoGK14yC-GxWq5LKA
• LinkedInlinkedin.com/company/91188
• Xx.com/grunleybuilds
• Facebookfacebook.com/grunley-construction-company-inc-143260889208473

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles15 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 Grunley Construction Company, Inc.