ERG Tech Stack

Environmental consulting and engineering for federal, state, and corporate clients

Business Consulting and Services Concord, Massachusetts 501–1,000 employees Founded 1984 Privately Held

ERG is a multidisciplinary consulting firm with 501–1,000 employees spread across U.S. offices, serving federal agencies, state governments, corporations, and universities on environmental compliance, remediation, and safety. The stack reveals a hybrid operation: heavy CAD/engineering tools (Revit, AutoCAD, SolidWorks) paired with MATLAB, FORTRAN, and C/C++ for modeling work, alongside Microsoft enterprise infrastructure (Azure, AD, Office 365). The engineering-dominant hiring mix (68 of 99 active roles) with skew toward senior staff aligns with complex project work: phase I assessments, air quality simulation, 404 permitting, and decontamination studies.

Tech Stack 39 technologies

Core StackVisual Studio Python Linux Revit AutoCAD SolidWorks MATLAB Active Directory Azure AD Excel Word Adobe Deltek Costpoint FORTRAN C/C++ Ada Windows Microsoft Project VBA Siemens PLC Microsoft Office R Azure Microsoft 365 Azure ExpressRoute Azure Firewall Windows Virtual Desktop Azure Sentinel Azure Information Protection Azure AD Connect+9 more

What ERG Is Building

◆Challenges

Delivering clean safe drinking water
Optimizing wvd cost performance
Maintaining secure cloud ecosystem
Gaps in current communication efforts
Pfas contamination
Accessing infrastructure funding
Mitigating risk
Managing complex remediation projects
Improving safety compliance
Implementing section 404 requirements

▲Active Projects

Phase i environmental site assessment
Decontamination and consequence management studies
Air quality simulation modeling in the fluid modeling facility
Development and validation of measurement methods
Source emission characterization
Controlled chamber experiments to assess air treatment efficacy
Drafting 404 permits
Renovations and upgrades to existing buildings
Reviewing proposed permits
Research alternative compliance approaches

Hiring Activity

Accelerating100 roles · 50 in 30d

Department

Engineering

Research

Ops

Legal

Manufacturing

Support

Marketing

Communications

Seniority

Senior

Mid

Junior

Lead

Manager

Notable leadership hires: Business Development Lead

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About ERG

ERG operates as a multidisciplinary consulting firm founded in 1984, headquartered in Concord, Massachusetts. The firm serves federal and state agencies, private corporations, and universities across climate change, air quality, drinking water protection, ecological services, energy, environmental health, facilities planning, and laboratory analysis. Core project activity centers on environmental site assessment, remediation strategy, regulatory permit drafting and review, and air quality and emissions modeling. The organization combines engineering disciplines (CAD, structural design, PLC controls), computational work (MATLAB, FORTRAN, C/C++), and enterprise IT infrastructure to manage client engagements across the United States.

HeadquartersConcord, Massachusetts

Company Size501–1,000 employees

Founded1984

Hiring MarketsUnited States

Frequently Asked Questions

What tech stack does ERG use?

ERG uses CAD tools (Revit, AutoCAD, SolidWorks), computational languages (MATLAB, FORTRAN, C/C++), Microsoft enterprise suite (Office 365, Azure, Active Directory), and legacy engineering software (Deltek Costpoint, Siemens PLC, Visual Studio).

What is ERG working on?

Active projects include phase I environmental site assessments, air quality simulation modeling, decontamination studies, source emission characterization, 404 permit drafting and review, and research into alternative compliance approaches.