Insights

Growth via Acquisitions Apex has grown through strategic acquisitions and partnerships, adding Water Science Associates, PBS Engineering and Environmental, Forsgren Associates, and Johnson Engineering to its capabilities. This creates cross selling opportunities across civil engineering, water resources, environmental science, and surveying for new and existing clients. The expansion supports pursuing nationwide projects that require integrated engineering and environmental services.

ESG and Resiliency The firm's emphasis on environmental, social and governance strategies and resiliency positions it to serve corporations facing sustainability reporting, climate risk, and compliance mandates. This aligns with current market trends toward ESG integration in procurement and risk management, creating opportunities to offer advisory, verification, and assurance services to enterprise clients.

National Reach With operations in all states and a large, diverse team, Apex can deliver nationwide projects and coordinate multi site programs. This is attractive to clients with national footprints who want a single partner for water, environment, health and safety, and infrastructure services.

Proven Client ROI Proven client outcomes and recognition support a compelling value proposition for procurement teams. Demonstrated success, including substantial client savings and industry awards, can be leveraged to win capital intensive projects that demand rapid response, quality assurance, and stakeholder engagement.

Tech Enabled Advanced technology and data driven delivery enable efficient real time results. A technology stack that includes hydro modeling tools such as HydroCAD and HEC RAS, along with cloud and content platforms, supports rigorous modeling, risk analysis, and scalable workflows for permitting, compliance, and reporting.

Similar companies to Apex Companies, LLC

Apex Companies, LLC Tech Stack

Apex Companies, LLC uses 8 technology products and services including HydroCAD, Fastly, Cloudflare, and more. Explore Apex Companies, LLC's tech stack below.

  • HydroCAD
    Cad & Graphics
  • Fastly
    Content Delivery Network
  • Cloudflare
    Content Management System
  • Microsoft SharePoint
    Content Management System
  • Sketch
    Design
  • Backbone.js
    Javascript Frameworks
  • Flywheel
    Platform As A Service
  • HEC-RAS
    Visualisation Software

Media & News

Apex Companies, LLC's Email Address Formats

Apex Companies, LLC uses at least 1 format(s):
Apex Companies, LLC Email FormatsExamplePercentage
First.Last@apexcos.comJohn.Doe@apexcos.com
77%
FLast@apexcos.comJDoe@apexcos.com
21%
FirLast@apexcos.comJohDoe@apexcos.com
1%
FirstLast@apexcos.comJohnDoe@apexcos.com
1%

Frequently Asked Questions

Where is Apex Companies, LLC's headquarters located?

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Apex Companies, LLC's main headquarters is located at 2101 Gaither Road Suite 500 Rockville, Maryland 20850 United States. The company has employees across 4 continents, including North AmericaAsiaEurope.

What is Apex Companies, LLC's phone number?

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You can contact Apex Companies, LLC's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Apex Companies, LLC's official website and social media links?

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Apex Companies, LLC's official website is apexcos.com and has social profiles on LinkedInCrunchbase.

What is Apex Companies, LLC's NAICS code?

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Apex Companies, LLC's NAICS code is 54162 - Environmental Consulting Services.

How many employees does Apex Companies, LLC have currently?

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As of May 2026, Apex Companies, LLC has approximately 1.6K employees across 4 continents, including North AmericaAsiaEurope. Key team members include Chief Executive Officer: A. M.Chief Executive Officer: A. O.Chief Executive Officer: A. A.. Explore Apex Companies, LLC's employee directory with LeadIQ.

What industry does Apex Companies, LLC belong to?

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Apex Companies, LLC operates in the Environmental Services industry.

What technology does Apex Companies, LLC use?

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Apex Companies, LLC's tech stack includes HydroCADFastlyCloudflareMicrosoft SharePointSketchBackbone.jsFlywheelHEC-RAS.

What is Apex Companies, LLC's email format?

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Apex Companies, LLC's email format typically follows the pattern of First.Last@apexcos.com. Find more Apex Companies, LLC email formats with LeadIQ.

When was Apex Companies, LLC founded?

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Apex Companies, LLC was founded in 1988.

Apex Companies, LLC

Environmental ServicesMaryland, United States1001-5000 Employees

Apex Companies, LLC is a national, multidisciplinary environmental consulting and engineering firm established in 1988, providing services across water resources, environmental management, ESG and resiliency, health and safety, compliance and assurance, and infrastructure projects. The company is based at 2101 Gaither Road, Suite 500, Rockville, Maryland 20850, United States. Apex operates across all 50 states and employs between 1,001 and 5,000 professionals, including scientists, geologists, engineers, technicians, and information management specialists. The firm has grown through acquisitions and partnerships, including the acquisition of Forsgren Associates, Inc. in November 2025, the acquisition of Water Science Associates in March 2023, and the acquisition of PBS Engineering and Environmental Inc. in March 2024, along with a partnership with Johnson Engineering announced in September 2024. It has earned industry recognition as an ENR All-Environmental firm top 13 and 68 in the ENR top 200 overall, and was named a 2026 Hot Firm by Zweig Group.

Section iconCompany Overview

Headquarters
2101 Gaither Road Suite 500 Rockville, Maryland 20850 United States
Phone number
NAICS Code
54162 - Environmental Consulting Services
Founded
1988
Employees
1001-5000

Section iconFunding & Financials

  • $1B$10B

    Apex Companies, LLC's revenue is estimated to be in the range of $1B$10B

Section iconFunding & Financials

  • $1B$10B

    Apex Companies, LLC's revenue is estimated to be in the range of $1B$10B

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