Where are HG Cornerstone, LLC employees located globally?

HG Cornerstone, LLC has employees across 1 continents and 1 countries including United States Of America.

How has HG Cornerstone, LLC's team size changed over time?

HG Cornerstone, LLC's team has remained stable from approximately 3 to 3 employees based on available data.

HG Cornerstone, LLC Employee Directory

Civil EngineeringMassachusetts, United States2-10 Employees

HG Cornerstone, LLC is a civil engineering practice based in Needham, Massachusetts. It provides construction forensic engineering and expert witness services for construction-related litigation, with investigations grounded in fact-based research and testimony drawn from more than 30 years of hands-on contracting and engineering consulting experience led by Joel E. Breuer, P.E. The firm's work covers issues such as building defects, building code violations, construction accidents and injuries, property damage, defective components and materials, design flaws, design professional E&O claims, and environmental contamination.

The practice serves attorneys, insurers, contractors, product manufacturers, and designers involved in disputes over construction projects, helping support both claims and defenses. Its principal, Joel E. Breuer, has defended clients and coordinated with insurers on large-scale casualty claims and subrogation matters.

HG Cornerstone, LLC Global Highlights

North America
4

United States Of America
4

HG Cornerstone, LLC's Leadership

J. G.
Managing Partner
Mobile Phone
Email
J. G.
Managing Partner
Mobile Phone
Email
J. B.
Managing Principal
Mobile Phone
Email

HG Cornerstone, LLC Employee Metrics

100%

50%

0%

2026

2025

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Contact profiles from HG Cornerstone, LLC

Name

Title

Contact Info

Location

Last Update

J. G.
Managing Partner
Mobile Phone
Email
United StatesMassachusetts
Nov 15, 2025
J. G.
Managing Partner
Mobile Phone
Email
UNITED STATES
Jul 07, 2024
J. B.
Managing Principal
Mobile Phone
Email
United StatesMassachusetts
Nov 12, 2025

Frequently Asked Questions

What is HG Cornerstone, LLC known for?

HG Cornerstone, LLC operates in the Civil Engineering industry; you can contact the main corporate office by phone at

+1-617-575-****

. Explore HG Cornerstone, LLC's company overview page for more information.

What is HG Cornerstone, LLC's most common email format?

HG Cornerstone, LLC employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more HG Cornerstone, LLC email formats with LeadIQ.

How many employees does HG Cornerstone, LLC have currently?

HG Cornerstone, LLC has approximately 2 employees as of July 2026. These team members are located across 1 continents, including North America.

Who are HG Cornerstone, LLC's key employees and leadership?

As of July 2026, HG Cornerstone, LLC's key employees include:

Managing Partner: J. G.
Managing Partner: J. G.
Managing Principal: J. B.

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HG Cornerstone, LLC Employee Directory

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