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Clark Construction Group, LLC

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Clark Construction Group, LLC is a leading national builder delivering building and infrastructure projects across markets with a local footprint.

Overview

Clark Construction Group, LLC is one of the largest building and infrastructure companies in the United States. For more than a century, Clark has delivered assets and infrastructure that strengthen our nation. Our portfolio spans major building markets—from public to private, corporate to cultural, education to entertainment—and the infrastructure connecting it all—power, transit, water, and roadways. Clark has a national reach with a local presence, delivering general contracting, design-build, construction management, and specialty contracting services. Our core values—Care for Others; Deliver Excellence; Do The Right Thing; Give Back; Say Yes to Opportunity—guide every project. American-owned and operated since 1906, Clark has grown from a small regional excavator into a leading asset-delivery company. The organization emphasizes safety, quality, collaboration, and community impact, and pursues meaningful change through corporate responsibility initiatives such as the Strategic Partnership Program to broaden opportunities for small businesses. With 5,100+ employees across offices nationwide, Clark serves a broad range of clients and markets while strengthening the communities where we live.

Mission statement

Our mission is building what matters, together.

What we offer

Clark Construction

Service

Delivers comprehensive construction services exceeding client expectations.

www.clarkconstruction.com/about-us/companies/clark-construction

Clark Civil

Service

Strengthens communities through innovative civil and heavy civil construction solutions.

www.clarkconstruction.com/about-us/companies/clark-civil

Clark Concrete

Service

Delivering exceptional concrete solutions with unmatched service flexibility.

www.clarkconstruction.com/about-us/companies/clark-concrete

Clark Water

Service

Ensures communities enjoy clean water through innovative infrastructure solutions.

www.clarkconstruction.com/about-us/companies/clark-water

Tekton

Service

Provides comprehensive self-perform construction services with innovative solutions.

www.clarkconstruction.com/about-us/companies/tekton

Strategic Partnership Program

Service

Empowering small businesses with essential skills for sustainable growth.

www.clarkconstruction.com/business-with-us/strategic-partnership-program

Market segments

Market size by segment

Growth potential (CAGR)

Infrastructure construction and civil engineering

4000 Billion USD3.5% CAGR

Delivery of large-scale civil works including roads, bridges, foundations, excavation, blasting and technical project delivery across the full project lifecycle.

Water and wastewater infrastructure

321 Billion USD11% CAGR

Components and systems for municipal and industrial water supply, treatment, and distribution including pipes, membranes, pumps, valves and compact wastewater plants.

Structural concrete contracting

220 Billion USD5.7% CAGR

Self-performed structural concrete services including preconstruction scheduling and budgeting, formwork design and installation, concrete pouring and finishing, and on-site quality control.

Modular and offsite construction

155.24 Billion USD6% CAGR

Prefabricated and offsite modular manufacturing for accelerated schedules, repeatable quality, and reduced site disruption across building and industrial programs.

Workforce development and supplier diversity

28.6 Billion USD9.3% CAGR

Capacity building and supplier development programs that provide executive education, hands-on capstone projects, and networking to expand small business participation and skilled labor pipelines.

More information about our offering

Clark Construction

Clark Construction is a leading provider of general contracting, design-build, construction management, and specialty contracting services for building and infrastructure assets.

  • Ensure Safe Project Execution
    Clark's construction management encompasses meticulous planning and execution, ensuring safety standards and on-site management that uphold project integrity.
  • Deliver Quality Assurance
    Clark's in-house quality experts ensure each project meets stringent quality standards, enhancing client satisfaction and trust.
  • Delivers Heavy Civil Solutions
    Guy F. Atkinson Construction offers comprehensive heavy civil contracting services, ensuring high-quality delivery of complex infrastructure projects.
  • Builds Essential Roadways
    Constructs vital transportation routes that enhance connectivity and support economic growth throughout the region.
  • Streamline Project Delivery
    The design-build approach integrates all phases under one contract, reducing costs and expediting timelines while enhancing collaboration.
  • Increase Efficiency and Reduce Waste
    Innovative prefabrication strategies allow Clark to streamline construction processes, minimizing on-site congestion and waste while maintaining high standards.
  • Achieve LEED Certifications
    Clark pursues sustainability through innovative engineering solutions, achieving LEED certifications that reflect commitment to environmental stewardship.
  • Constructs Highways And Bridges
    The company has successfully completed numerous projects involving the construction and rehabilitation of vital highways and bridges across the nation.
  • Execute Projects Efficiently
    Clark's general contracting services focus on traditional project delivery methods, ensuring efficiency and adherence to quality throughout construction.
  • Enhance Project Flexibility
    Specialty contracting services enhance project flexibility and innovation, leveraging in-house trade expertise for seamless deliverance of complex projects.
  • Implements Mass Transit Solutions
    Guy F. Atkinson Construction plays a pivotal role in developing infrastructure for mass transit systems, enhancing connectivity across urban areas.
  • Executes Mining And Tunneling Projects
    Specializing in mining and tunneling projects, Atkinson ensures efficient and safe execution of some of the most challenging engineering tasks.
  • Delivers Reliable Utility Services
    Ensures the installation and maintenance of necessary utility infrastructure, facilitating community development and operational efficiency.

Clark Civil

Clark Civil specializes in civil and heavy civil construction, including self-performance and comprehensive design-build delivery, to strengthen communities with innovative infrastructure.

  • Deliver Comprehensive Infrastructure Solutions
    Clark Civil leads in civil and heavy civil construction, ensuring robust and resilient infrastructure that serves community needs.
  • Simplify Project Execution
    Using a design-build approach, Clark Civil ensures streamlined project processes, integrating all phases from planning through construction for enhanced efficiency.
  • Enhance Quality Control
    By performing key construction tasks internally, Clark Civil maintains high quality and safety standards throughout every project stage.
  • Deliver Safe Infrastructure
    Clark Civil employs specialized knowledge to ensure projects meet safety and functionality standards in various sectors, including transportation and utilities.

Clark Concrete

Clark Concrete self-performs structural concrete work throughout the Mid-Atlantic region. The company offers a comprehensive range of services, including scheduling and budgeting of conceptual documents, formwork design and installation, and concrete pouring and finishing.

  • Ensure Quality Finish
    Provides high-quality, durable finishes that meet strict industry standards.
  • Complete Control Over Quality
    Ensures consistent quality and safety through self-execution of all concrete tasks.
  • Expert Formwork Solutions
    Delivers innovative formwork setups that facilitate accurate concrete placements.
  • Streamline Project Planning
    Optimizes resource allocation and enhances efficiency during early project phases.

Clark Water

Clark Water specializes in the delivery of water and wastewater infrastructure projects, offering planning, design, construction, and construction management services.

  • Provides Comprehensive Project Support
    Delivers complete services from initial planning to final construction management, ensuring effective project execution.
  • Delivers Essential Wastewater Solutions
    Expertise in constructing comprehensive wastewater systems that ensure proper waste management and treatment.
  • Facilitates Clean Water Access
    Specializes in constructing critical water infrastructure to provide reliable and safe drinking water.
  • Enhances Treatment Efficiency
    Utilizes cutting-edge technologies to improve operational efficiency and environmental sustainability of wastewater management.
  • Manages Waste Responsibly
    Expertly handles the treatment and disposal of biosolids, ensuring regulatory compliance and environmental protection.

Tekton

Tekton is a full-service, self-perform construction firm specializing in rough carpentry, make-ready services, and a variety of other construction scopes. Tekton's skilled multi-trade workforce allows the company to execute projects efficiently while adapting to evolving industry demands.

  • Deliver High-Quality Carpentry
    Utilizes specialized skills and materials to provide robust and durable structural solutions in various construction contexts.
  • Control Quality and Efficiency
    Hands-on management of construction tasks allows for better quality control, cost management, and improved project timelines.
  • Streamline Project Preparation
    Ensures properties are ready for occupancy through efficient construction techniques, enhancing the overall project timeline.
  • Implement Sustainable Solutions
    Facilitates the construction of eco-friendly buildings using advanced timber technologies, reducing environmental impact.
  • Enhance Construction Speed
    Indoor fabrication of building modules allows for faster on-site assembly, minimizing disruption and exposure to weather conditions.

Strategic Partnership Program

Clark's Strategic Partnership Program fosters economic growth by strengthening small businesses through executive education, comprehensive training, and practical capstone projects.

  • Experience Competitive Bidding
    Participants engage in a comprehensive capstone project that simulates the competitive bidding process, enabling practical application of skills learned.
  • Receive Expert Training
    Participants receive detailed training from industry leaders, covering essential construction management and business competencies for long-term success.
  • Access Nationwide Opportunities
    The program operates in several major urban markets, allowing participants to connect with a broad alumni network for future opportunities.
  • Engage in Real-World Application
    The program includes hands-on learning projects that allow small business leaders to apply theoretical knowledge in practical scenarios, boosting their confidence and competence.
  • Participate Free of Charge
    Small business leaders can benefit from the program without any financial burden, enhancing accessibility for various entrepreneurs.
  • Build Strategic Relationships
    Participants have the chance to network with peers, industry leaders, and potential partners to enhance their business opportunities and collaborations.

References

Methodology and sourcing behind the market figures shown above.

Infrastructure construction and civil engineering

Estimate uses segment-level figures from the provided search results: (a) large gas-pipeline infrastructure projections showing multi-trillion investment (FMI) and low-single-digit CAGR, (b) construction-chemicals and data-center infrastructure reports showing substantial adjacent segment demand, and (c) an industry note projecting engineering demand growth (13% between 2023–2031). Combining multi-trillion pipeline and other infrastructure submarkets, and accounting for mature-market growth rates (pipeline CAGR ~2.7%), yields an estimated global infrastructure construction and civil engineering market of roughly $4 trillion annually and medium-term growth potential near 3.5% CAGR.

Water and wastewater infrastructure

Primary estimate uses BCC Research’s global water and wastewater treatment technologies market ($321.0B in 2024) and its 11.0% CAGR projection to 2030. Other sources show comparable global ranges (Environment+Energy Leader: $347B in 2024 to $639B by 2033, 7.02% CAGR) and smaller submarket definitions (TrendX wastewater infrastructure, Hyde Park US market ~$70B, Bluefield/LinkedIn US CAPEX with ~4.4% CAGR), which validate the scale and a plausible growth range; BCC was weighted as the primary source for treatment technologies and equipment.

Structural concrete contracting

Estimate anchored to explicit adjacent market sizes in search results: precast concrete (USD 152.07B in 2025) and multiple specialty concrete-related markets (tensioning/prestressed, shotcrete, pumps, anchors, blocks). Structural concrete contracting (self-performed formwork, pouring, finishing, QC) spans cast-in-place work plus installation of precast/prestressed elements; therefore a global services market in the low hundreds of billions is plausible. Selected CAGR (5.7%) reflects the mid-range growth rates reported for related segments (precast 5.7%, tensioning ~8.3%, shotcrete ~7.3%, anchors ~6.0%, blocks ~3.7%).

Modular and offsite construction

Primary estimate uses Zion Market Research’s offsite construction figure (USD 155.24B, 2023) and its 6.0% CAGR for 2024–2032 as the closest match to “modular and offsite” scope. Other search results show a range of reported market sizes (USD ~79.9B–137.8B) and CAGRs (≈7–8%), so the selected value is the recent offsite-specific estimate and the CAGR is the conservative, offsite-focused projection from Zion.

Workforce development and supplier diversity

Primary estimate based on StrategyMRC's workforce development market figure: $28.6B (2026) with a projected CAGR of 9.3% to 2034. Adjacent market reports (workforce management software, digital workplace, finance workforce) show related demand and varying CAGRs (3.7%–21.7%), providing context for sustained growth in training, capacity-building, and supplier development services.

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