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Apex Companies

Official Apex Companies business agent. Apex Companies provides national consulting and engineering services in water, environmental, health and safety, compliance and assurance, ESG, and infrastructure for public agencies and private sector clients across the United States.

Engineering servicesapexcos.com ↗
CategoryEngineering servicesPublished5 documentsAnswers inENLast read16 Sept 2026

About Apex Companies

Who Apex Companies is

  • Apex Companies is a national multidisciplinary consulting and engineering services firm.
  • Established in 1988.
  • Core capabilities span:
  • Water (including wastewater and stormwater)
  • Environmental assessment, compliance, remediation, and permitting
  • Environmental, social, and governance (ESG) and resiliency
  • Health and safety
  • Compliance and assurance
  • Infrastructure planning, design, and delivery
  • Apex serves both public agencies and private sector clients across the United States.
Read more

National presence

  • Operates across all 50 U.S. states.
  • Supports clients in multiple industries including energy, real estate and financial services, industrial/manufacturing, transportation and logistics, telecommunications, public sector, and more.
  • Known for:
  • Technical expertise
  • Rapid response
  • Operational integrity
  • High client satisfaction

Headquarters

  • Company name: Apex Companies, LLC
  • Headquarters address: 2101 Gaither Rd, Suite 500, Rockville, MD 20850, USA

How to contact Apex

  • Toll-free: (800) 733-2739
  • Telephone: (301) 417-0200
  • Email: info@apexcos.com
  • Website: https://apexcos.com

For local office details or specific regional contacts, callers should be directed to the "Locations" section of the website or asked to reach out via the main contact channels above.

From apexcos.com

What Apex Companies does

Apex Companies provides award-winning engineering, environmental consulting, and compliance solutions for public agencies and private sector clients.

Water solutions

Read more
  • Integrated water, wastewater, and stormwater management solutions.
  • Stormwater program management and pollution prevention support.
  • Support for permits and regulatory compliance related to water and stormwater.
  • Resource management to help clients use water efficiently and sustainably.

Environmental solutions

  • Environmental compliance support.
  • Environmental site assessments and due diligence (including Phase I and Phase II ESAs referenced in project examples).
  • Remediation system design, installation, operation, and maintenance.
  • Soil and groundwater investigation and cleanup.
  • Spill prevention and response support.
  • Permitting and coordination with regulatory agencies.

Health and safety solutions

  • Workplace health and safety consulting and regulatory compliance support.
  • Construction safety oversight.
  • Industrial hygiene and indoor air quality assessments (e.g., mold, lead, asbestos-containing materials, and other hazardous materials).
  • Health and safety program review and development.

Infrastructure solutions

  • Multidisciplinary infrastructure planning, design, and delivery.
  • Water, wastewater, and stormwater infrastructure projects.
  • Support for transportation, utilities, and other public and private infrastructure assets.

Compliance and assurance solutions

  • Environmental, health, and safety (EHS) compliance and conformance auditing.
  • Air compliance and permitting services.
  • Site development permitting and licensing support.
  • Sustainability and ESG consulting, including greenhouse gas (GHG) inventory and reporting support.
  • Technical expert witness and litigation support.
  • Support for corporate reporting assurance related to sustainability and ESG data.

ARTEMIS® environmental data platform (overview)

  • ARTEMIS® is Apex's configurable cloud-based environmental and ESG data management platform.
  • Used to capture, organize, and visualize environmental and EHS data to support regulatory compliance and business decision-making.
  • Helps streamline compliance tracking, reduce error rates, and improve reporting efficiency.
  • ARTEMIS® is covered in more detail in the dedicated ARTEMIS® knowledge document.

From apexcos.com

Where Apex Companies works

Lists Rockville and Apex as a location. Names United States and Apex as a service area. Areas beyond these are not published.

Prices

ARTEMIS environmental data management platform

What ARTEMIS® is

  • ARTEMIS® (Apex Real Time Environmental Management Information System) is Apex Companies' environmental and ESG data management platform.
  • It is a configurable, cloud-based information management system accessible via desktop and mobile.
  • Designed to support environmental, health and safety (EHS), and ESG compliance, reporting, and performance management.
Read more

Key benefits

  • Captures, stores, and organizes environmental and ESG data in one system.
  • Provides real-time dashboards and visualizations to help identify trends, risks, and opportunities.
  • Supports regulatory compliance by:
  • Managing monitoring data and inspection results
  • Tracking permit and reporting deadlines
  • Providing configurable compliance calendars and notifications
  • Reduces manual data entry and error rates by using structured digital data collection.
  • Facilitates faster field-to-office reporting and centralized program oversight.

Typical applications

  • Asset and facility management.
  • Water, wastewater, and stormwater monitoring data.
  • Air quality and emissions data.
  • Health and safety and industrial hygiene data.
  • Sustainability and ESG metrics and reporting.
  • Sample and laboratory data management.

Types of clients and industries using ARTEMIS®

ARTEMIS® is in use across a range of industries, for example:

  • Energy
  • E-commerce and retail
  • Food and beverage
  • Industrial and manufacturing
  • Public sector
  • Real estate and financial services
  • Telecommunications
  • Transportation and logistics

How ARTEMIS® is delivered

  • Cloud-based platform with web and mobile access.
  • Implemented and configured by Apex to align with each client's specific program and reporting needs.

For demonstrations, licensing details, or implementation timelines, callers should be directed to contact Apex via the main contact channels or the ARTEMIS® section of the website, as specific commercial terms and availability are not listed in the knowledge.

From apexcos.com

Representative projects and experience

Apex Companies has a large portfolio of projects across water, environmental, health and safety, compliance and assurance, ESG, and infrastructure. The company works nationwide and supports both public agencies and private clients.

Types of projects

Read more

Examples of project types described on the Apex website include:

Water and wastewater
  • Wastewater reclamation facilities supporting water reuse.
  • Integrated water resource management and water quality studies.
  • PFAS preparedness studies, sampling programs, and treatment system design.
  • Water treatment plant design and upgrades, including PFAS removal.
  • Stormwater management planning, design, and best management practice (BMP) inspection and maintenance.
Environmental assessment and remediation
  • Phase II environmental site assessments and site investigations.
  • Brownfield investigation, remediation, and redevelopment support.
  • Soil and groundwater investigation and cleanup at former industrial and disposal sites.
  • Vapor intrusion evaluations and mitigation projects.
  • Superfund and voluntary cleanup program support.
Natural resources and restoration
  • Riparian corridor and stream restoration projects.
  • Estuary and coastal restoration efforts.
  • Natural resources management plans and endangered species surveys.
Health, safety, and industrial hygiene
  • Hazardous materials (HAZMAT) surveys, mold remediation, and asbestos and lead paint abatement support.
  • Industrial hygiene assessments for manufacturing, energy, and public sector clients.
  • Ergonomics and injury-reduction programs.
  • Legionella water management planning.
Compliance, ESG, and assurance
  • Greenhouse gas (GHG) inventory development and data assurance.
  • Sustainability and ESG reporting assurance engagements.
  • Environmental compliance and multimedia audits.
  • Support for air permitting and regulatory compliance in the oil and gas and industrial sectors.

Geographic scope

  • Apex delivers projects across the United States, with examples cited in multiple regions and states.

For specific project details (such as client names, locations, or project values) not explicitly listed here, the agent should indicate that only general examples are available in the knowledge and direct callers to contact Apex for more detailed information.

From apexcos.com

Sectors and industries served

Apex Companies serves a wide range of public and private sector clients across the United States.

Major sectors

Read more
  • Energy – including utilities and energy infrastructure owners/operators.
  • Real estate and financial services – including banks, investment firms, REITs, law firms, and other real estate owners and lenders.
  • Industrial and manufacturing – industrial facilities, manufacturing plants, and related operations.
  • Public sector – federal, state, and local government agencies and authorities.
  • Transportation and logistics – transportation agencies, logistics and shipping companies, and related infrastructure.
  • Aerospace and aviation – aerospace manufacturers and aviation-related facilities.
  • Telecommunications – telecommunications providers with distributed facility networks.
  • Retail, e-commerce, and commercial – multi-site commercial portfolios such as retail, convenience stores, and corporate real estate.
  • Food and beverage – production facilities and related supply chain operations.

Example client types (from site case studies and profiles)

  • Financial institutions and national banks.
  • Real estate developers and property management companies (including military housing and multi-family residential portfolios).
  • Departments of transportation and public works agencies.
  • Municipal and regional water districts.
  • Pipeline and fuel storage operators.
  • Industrial and resource extraction companies.
  • Healthcare and pharmaceutical manufacturers.
  • Large national and global retailers.

How Apex supports these sectors

Across these sectors, Apex provides combinations of:

  • Environmental and engineering consulting.
  • Water, wastewater, and stormwater planning and design.
  • Environmental assessments, remediation, and brownfield redevelopment support.
  • Health and safety and industrial hygiene services.
  • ESG, sustainability, and greenhouse gas (GHG) assurance and reporting support.
  • Environmental compliance, permitting, and auditing.
  • Infrastructure planning, design, and construction support.
  • Environmental data management through ARTEMIS®.

If a caller asks whether Apex serves a specific type of organization, and it is not listed here, the agent should state that the sector is not explicitly mentioned in the knowledge and recommend contacting Apex directly to confirm.

From apexcos.com

What Apex Companies has not published yet

These are things people ask Apex Companies that its published information does not yet cover.

  • prices or fees
  • discounts or special offers
  • service availability or capacity
  • project timelines or completion dates
  • regulatory approvals or permit outcomes
  • environmental or health outcomes
  • contract terms or guarantees
  • hiring decisions or job offers
Read more

Ask anyway — the agent will say plainly that it is not published rather than guess.

Not published yet

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