# Apex Companies, LLC
*Also known as Apex*

- Website: https://apexcos.com
- Location: Rockville, MD, United States
- AI agent profile: https://nowen.ai/agents/apexcos-com

> A national, award-winning consulting and engineering firm delivering innovative, science-based solutions in water, environmental, infrastructure, and health & safety services.

Apex Companies, LLC is a national, award-winning consulting and engineering firm delivering innovative, science-based solutions in water, environmental, infrastructure, and health & safety services. The firm works with public and private-sector clients to address complex challenges across water resources, environmental remediation, infrastructure planning and delivery, and safety programs. With a multidisciplinary team of engineers, scientists, and program managers, Apex provides integrated capabilities, rigorous analysis, and practical guidance to improve operations, manage risk, and support sustainable growth. The organization emphasizes community involvement, sustainability, and responsible business practices as part of its core approach.

**Mission:** To deliver innovative, science-based solutions through engineering and consulting that improve water, environmental, infrastructure, and health & safety outcomes for clients nationwide.

## Products & Services

### [Water Management Solutions](https://apexcos.com/what-we-do/water/)
*Solution*
Comprehensive Water Management Solutions Supporting Regulatory Compliance.

- **Drinking Water Testing** — Ensure Safe Drinking Water
- **Stormwater Program Management** — Achieve Regulatory Compliance
- **Wastewater Management** — Protect Community Health
- **NPDES Permitting** — Facilitate Regulatory Compliance
- **SWPPP Preparation** — Facilitate Stormwater Compliance
- **Basin Maintenance** — Ensure Effective Stormwater Management
- **Corrective Action and Repairs** — Restore Infrastructure Efficiency
- **Pond Rehabilitation** — Restore Ecosystem Function
- **SPCC Permitting and Inspections** — Ensure Spill Prevention Compliance

### [Environmental Management Solutions](https://apexcos.com/what-we-do/environmental/)
*Solution*
Comprehensive environmental solutions to manage risk and ensure compliance.

- **Contaminated Site Management** — Effectively Manage Contaminated Sites
- **Environmental Site Assessments** — Identify and Assess Environmental Conditions
- **Phase I/II ESAs and Property Condition Assessments** — Conduct Comprehensive ESAs
- **Risk Assessment and Treatment** — Assess and Mitigate Environmental Risks
- **Soil and Groundwater Cleanup** — Remediate Soil and Groundwater
- **Remediation System Design, Installation, and O&M** — Design and Maintain Remediation Systems
- **Spill Prevention and Response** — Establish Spill Prevention Measures
- **Wetlands Delineation and Permitting** — Delineate and Permit Wetlands
- **Geographic Information Systems and Data Management** — Support Environmental Decisions with GIS
- **UST/AST Design, Removal, Installation** — Manage UST/AST Lifecycle
- **Vapor Intrusion Assessment** — Evaluate Vapor Intrusion Risks
- **Forensic Studies** — Perform Forensic Environmental Studies

### [Health & Safety Solutions](https://apexcos.com/what-we-do/health-safety/)
*Solution*
Ensure a safe work environment with tailored health and safety solutions.

- **Occupational Hazards Mitigation Program Development** — Reduces Workplace Risks
- **Hazardous Materials Assessments** — Mitigates Environmental Risks
- **Chemical Hygiene Plans** — Promotes Safe Chemical Use
- **Industrial Hygiene Exposure Assessments** — Identifies Workplace Hazards
- **Workplace Safety Solutions** — Improves Workplace Safety
- **Building Re-occupancy Clearance Sampling** — Facilitates Safe Re-occupation
- **PPE Evaluation Including FIT Testing** — Ensures Proper Protection
- **Safety Culture and Behavioral Approaches** — Fosters a Safe Work Environment
- **Ergonomic Assessments and Program Development** — Enhances Worker Comfort

### [Compliance & Assurance Solutions](https://apexcos.com/what-we-do/compliance-assurance/)
*Solution*
Apex delivers expert compliance and assurance solutions to manage risks and achieve sustainability goals.

- **EHS Audits & Compliance** — Conduct Comprehensive EHS Audits
- **Sustainability & ESG** — Achieve Sustainability Goals
- **Air Compliance & Permitting** — Ensure Compliance With Air Regulations
- **Permitting, Planning & Licensing** — Streamline Permitting Processes
- **Technical Expert Witness Support** — Access Expert Witness Services
- **Management Systems** — Optimize Management Systems

### [Infrastructure Solutions](https://apexcos.com/what-we-do/infrastructure/)
*Solution*
Comprehensive infrastructure solutions enhancing project efficiency and compliance.

- **Civil Engineering** — Enhance Project Viability
- **Construction Management** — Ensure Project Timelines
- **Infrastructure Asset Management** — Maximize Asset Lifespan
- **Traffic & Transportation** — Enhance Traffic Flow
- **Geotechnical Engineering** — Mitigate Ground Risks
- **Surveying & Mapping** — Ensure Accurate Planning

### [ARTEMIS®](https://apexcos.com/what-we-do/artemis/)
*Platform*
Streamline Environmental Data Management and Compliance.

- **Real-Time Data Management** — Enhance Decision Making
- **24/7 Accessibility** — Facilitate Remote Operations
- **Risk Mitigation** — Ensure Compliance

### [Expert Witness & Litigation Support](https://apexcos.com/what-we-do/expert-witness-litigation-support/)
*Service*
Expert Insights and Reliable Support for Legal Cases.

- **Expert Testimony** — Provide Expert Testimony
- **Litigation Support** — Reduce Litigation Costs
- **Quantifying Liability** — Identify Liability Allocation
- **Environmental Mediation Participation** — Facilitate Environmental Mediation
- **Independent Air Quality Evaluations** — Evaluate Indoor Air Quality

### [Sustainability & ESG Solutions](https://apexcos.com/what-we-do/compliance-assurance/sustainability-and-esg/)
*Service*
Achieve your sustainability goals with expert assurance and data verification services.

- **GHG and ESG Data Verification** — Verify GHG and ESG Data
- **Airport Carbon Accreditation** — Achieve Airport Carbon Accreditation
- **Sustainability Assurance Solutions** — Tailor Sustainability Solutions
- **Product Lifecycle Assessment (LCA) Assurance** — Assure Product-Level Sustainability

## Market Segments

- **Environmental remediation and site assessment** (market size $112.3B, CAGR 7.1%): Services that identify, characterize, and remediate contaminated properties, including Phase I/II ESAs, remediation system design and O&M, vapor intrusion assessment, and risk-based cleanup to manage liability and enable redevelopment.
- **Water and wastewater engineering** (market size $24.6B, CAGR 7%): Planning and design of water supply, wastewater, hydraulic infrastructure and floodplain management to ensure regulatory compliance and community resilience.
- **Environmental data management and compliance reporting** (market size $29.8B, CAGR 10.4%): Platforms and services for capturing, visualizing, and managing environmental, EHS, and ESG data to support regulatory compliance, reporting, and operational decision-making.
- **Sustainability and ESG reporting and assurance** (market size $43.2B, CAGR 6.4%): Development of ESG programs, governance, reporting and independent assurance of sustainability disclosures and related compliance.
- **Occupational safety, health and regulatory compliance** (market size $5.1B, CAGR 6.3%): Resources supporting OSHA compliance, safety program development, toolbox talks, health and wellness, safety recognition, and code‑level guidance (including firestopping) to reduce risk and meet regulatory requirements.