Insights

Strong Industry Presence As a leading environmental services firm with a presence across North America and over 100 offices globally, Antea Group offers extensive opportunities for expanding environmental consulting and engineering services to various municipal, industrial, and governmental clients.

Innovation Award Winner Winning the Grand Prize at the 2025 Global Innovation Challenge for their Climate Risk Assessment service highlights their commitment to cutting-edge solutions, opening doors for partnerships and joint ventures in climate resilience and sustainability projects.

Recent Talent Acquisition Strategic hires of senior consultants in environmental Mergers & Acquisitions, water management, and risk services indicate a focus on expanding expertise and service depth, creating opportunities to upsell integrated environmental compliance and consultancy offerings.

Collaborative Solutions Integration with companies like TAGEVAC for emergency preparedness reflects their openness to new technologies and partnerships, making them receptive to innovative environmental safety and emergency response technologies.

Sustainability Focus Certification in ISO 14001 and leadership in PFAS remediation guides position Antea Group as a key player in sustainable practices, creating prospects for businesses seeking environmentally responsible consulting, auditing, and compliance verification services.

Similar companies to Delta Consultants

Delta Consultants Tech Stack

Delta Consultants uses 8 technology products and services including ISO 14001, Microsoft 365, JSON-LD, and more. Explore Delta Consultants's tech stack below.

  • ISO 14001
    Certificates
  • Microsoft 365
    Email
  • JSON-LD
    Javascript Frameworks
  • Office 365
    Office Suites
  • Microsoft Word
    Office Suites
  • Google
    Search Engines
  • X-Content-Type-Options
    Web & Portal Technology
  • Apache
    Web Servers

Media & News

Delta Consultants's Email Address Formats

Delta Consultants uses at least 2 format(s):
Delta Consultants Email FormatsExamplePercentage
First.Last@anteagroup.comJohn.Doe@anteagroup.com
96%
First.MiddleLast@anteagroup.comJohn.MichaelDoe@anteagroup.com
2%
Last.First@anteagroup.comDoe.John@anteagroup.com
2%

Frequently Asked Questions

Where is Delta Consultants's headquarters located?

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Delta Consultants's main headquarters is located at Irvine, California United States. The company has employees across 5 continents, including North AmericaAsiaEurope.

What is Delta Consultants's official website and social media links?

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Delta Consultants's official website is us.anteagroup.com and has social profiles on LinkedIn.

What is Delta Consultants's NAICS code?

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Delta Consultants's NAICS code is 54162 - Environmental Consulting Services.

How many employees does Delta Consultants have currently?

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As of April 2026, Delta Consultants has approximately 114 employees across 5 continents, including North AmericaAsiaEurope. Key team members include Ceo: N. M.Chief Executive: M. F.President: C. D.. Explore Delta Consultants's employee directory with LeadIQ.

What industry does Delta Consultants belong to?

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Delta Consultants operates in the Environmental Services industry.

What technology does Delta Consultants use?

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Delta Consultants's tech stack includes ISO 14001Microsoft 365JSON-LDOffice 365Microsoft WordGoogleX-Content-Type-OptionsApache.

What is Delta Consultants's email format?

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Delta Consultants's email format typically follows the pattern of First.Last@anteagroup.com. Find more Delta Consultants email formats with LeadIQ.

When was Delta Consultants founded?

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Delta Consultants was founded in 1986.

Delta Consultants

Environmental ServicesCalifornia, United States51-200 Employees

Delta Consultants was acquired by Oranjewoud N.V. in 2008. The business formerly known as Delta Consultants represents the United States engineering and consultancy operations of Oranjewoud N.V., and is now known as Antea™Group. 

Antea Group includes the Belgian, Colombian, French and United States engineering and consultancy operations of Oranjewoud N.V. In the Netherlands, engineering and consultancy services are offered under the nearly 60-year-old brand, Oranjewoud.

Antea Group is an international engineering and environmental consulting firm specializing in full-service solutions in the fields of environment, infrastructure, urban planning and water. By combining strategic thinking and multidisciplinary perspectives with technical expertise and pragmatic action, we do more than effectively solve client challenges; we deliver sustainable results for a better world. By understanding today, we are improving tomorrow.

With access to more than 3,000 employees in over 100 offices and experience on 6 continents, we serve clients ranging from global energy companies and manufacturers to national governments and local municipalities.

Section iconCompany Overview

Headquarters
Irvine, California United States
NAICS Code
54162 - Environmental Consulting Services
Founded
1986
Employees
51-200

Section iconFunding & Financials

  • $50M$100M

    Delta Consultants's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    Delta Consultants's revenue is estimated to be in the range of $50M$100M

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