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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.

Similar companies to Apex Companies

Apex Companies Tech Stack

Apex Companies uses 8 technology products and services including UserWay, LinkedIn Recruiter, Amazon Web Services, and more. Explore Apex Companies's tech stack below.

Media & News

Apex Companies's Email Address Formats

Apex Companies uses at least 4 email formats:
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?

Minus sign iconPlus sign icon You can contact Apex Companies's main corporate office by phone at
+1-301-417-****
. 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?

Minus sign iconPlus sign iconApex Companies's official website is apexcos.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does Apex Companies generate?

Minus sign iconPlus sign icon As of August 2026, Apex Companies's annual revenue is estimated to be $1B - $10B.

What is Apex Companies's NAICS code?

Minus sign iconPlus sign iconApex Companies's NAICS code is 54 - Professional, Scientific, and Technical Services.

How many employees does Apex Companies have currently?

Minus sign iconPlus sign iconAs of August 2026, Apex Companies has approximately 1.7K employees across 4 continents, including North America, Asia and Europe. Key team members include Chief Executive Officer: A. M., Chief Executive Officer: A. O. and Chief Executive Officer: A. A. Explore Apex Companies's employee directory with LeadIQ.

What industry does Apex Companies belong to?

Minus sign iconPlus sign iconApex Companies operates in the Professional Services industry.

What technology does Apex Companies use?

Minus sign iconPlus sign iconApex Companies's tech stack includes UserWay, LinkedIn Recruiter, Amazon Web Services, Joomla, Google Cloud, Smartsheet, Microsoft Teams and ArcGIS.

What is Apex Companies's email format?

Minus sign iconPlus sign iconApex 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?

Minus sign iconPlus sign iconApex Companies was founded in 1988.
Apex Companies logo

Apex Companies

Professional 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
+1-301-417-****
Website
apexcos.com
NAICS Code
54 - Professional, Scientific, and Technical Services
Founded
1988
Employees
1001-5000

Section iconMedia & News

Section iconFunding & Financials

  • $1B - $10B

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

Company Leadership

  • Chief Executive Officer at Apex Companies
    A. M.
    Chief Executive Officer
    Mobile Phone
  • Chief Executive Officer at Apex Companies
    A. O.
    Chief Executive Officer
    Mobile Phone
  • Chief Executive Officer at Apex Companies
    A. A.
    Chief Executive Officer
    Mobile Phone
  • Chief Executive Officer at Apex Companies
    P. D.
    Chief Executive Officer
    Mobile Phone
  • Chief Executive Officer at Apex Companies
    R. C.
    Chief Executive Officer
    Mobile Phone

Employee Directory

  • Chief Executive Officer at Apex Companies
    A. A.
    Chief Executive Officer
    Mobile Phone
  • Chief Talent Officer at Apex Companies
    C. M.
    Chief Talent Officer
    Mobile Phone
  • President Owner at Apex Companies
    C. S.
    President Owner
    Mobile Phone
  • President at Apex Companies
    C. K.
    President
    Mobile Phone
  • President at Apex Companies
    D. T.
    President
    Mobile Phone

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