Insights

Rapid Growth Momentum Apex is consistently expanding through acquisitions and international activities, recently acquiring Forsgren Associates and Water Science Associates and launching new international cargo routes, indicating a scalable demand for environmental, water, and infrastructure services across markets.

DiversifiedCapabilities With a broad service portfolio spanning water, ESG and resiliency, health and safety, compliance and assurance, and infrastructure, Apex presents opportunities to cross-sell integrated environmental and engineering solutions to clients across multiple industries.

LargeScaleOpportunity Revenue scale of 1B to 10B and recognition as a top ENR firm imply complex, multi-site projects and long-term contracts, making enterprise-level environmental and compliance services valuable to procurement teams seeking strategic partnerships.

AcquisitionAttention Past acquisitions signal a strategic emphasis on expanding capabilities and client bases; this creates upsell paths for existing clients of acquired firms and potential cross-sell opportunities in water resources, geotechnical, and land surveying services.

IndustryRecognition Awards and rankings such as the 2026 Hot Firm and top growth listing enhance credibility in competitive bids, supporting outreach to large clients seeking proven performers with rapid response and strong client satisfaction.

Apex Companies Tech Stack

Apex Companies uses 8 technology products and services including Moat, Carlson Software, Joomla, and more. Explore Apex Companies's tech stack below.

  • Moat
    Analytics
  • Carlson Software
    Cad & Graphics
  • Joomla
    Content Management System
  • Adobe Experience Cloud
    Data Management Platforms
  • Yoast SEO
    Search Engines
  • Vimeo
    Video Players
  • HTTP/3
    Web & Portal Technology
  • Twitter
    Widgets

Media & News

Apex Companies's Email Address Formats

Apex Companies uses at least 1 format(s):
Apex Companies 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

What is Apex Companies's phone number?

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You can contact Apex Companies'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's official website and social media links?

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

How much revenue does Apex Companies generate?

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As of July 2026, Apex Companies's annual revenue is estimated to be $1B - $10B.

What is Apex Companies's NAICS code?

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

How many employees does Apex Companies have currently?

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As of July 2026, Apex Companies has approximately 1.7K 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's employee directory with LeadIQ.

What industry does Apex Companies belong to?

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Apex Companies operates in the Environmental Services industry.

What technology does Apex Companies use?

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Apex Companies's tech stack includes MoatCarlson SoftwareJoomlaAdobe Experience CloudYoast SEOVimeoHTTP/3Twitter.

What is Apex Companies's email format?

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

When was Apex Companies founded?

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Apex Companies was founded in 1988.
Apex Companies logo

Apex Companies

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

Phone number
NAICS Code
54162 - Environmental Consulting Services
Founded
1988
Employees
1001-5000

Section iconFunding & Financials

  • $1B - $10B

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

Section iconFunding & Financials

  • $1B - $10B

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

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