7525 Connelley Drive, Suite U

Hanover, MD 21076

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410-787-8828

Concrete Sawing & Drilling

Comprehensive concrete services, including slab sawing, wall sawing, wire sawing, core drilling, concrete breaking, and concrete pourback.

Firestop

FM4991 certified through FM Global, we ensure the proper installation of firestop in a range of applications.

Thermal & Moisture Protection

Ensuring your buildings environmental and energy performance meet and exceed expectations contributing to sustainability and durability of construction.

We Provide High Quality & Cost Effective Services

G&M Services offers comprehensive concrete cutting services to clients throughout the Washington, D.C., Baltimore, Maryland, Pennsylvania, and Virginia region.

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Why Choose G&M Services, LLC?

Highly Skilled
Employees

FM4991
Certified

Bonded up to
4 Million

20 Years of
Experience

Sillica
Certified

Our Services

Our Projects

Project: MGM NATIONAL HARBOR

Contractor: THE WHITING‐TURNER CONTRACTING COMPANY (AND OTHERS)

Contract Amount: $1,727,001

Bonded?: YES

Scope: Installation of Firestop systems for various penetrations through fire‐rated walls, partitions, and CMU walls; infill embeds on hotel floors; miscellaneous concrete core‐drilling and saw cutting

Project: IMF BUILDING

Contractor: WELCH AND RUSHE (AND OTHERS)

Contract Amount: $1,149,884

Bonded?: YES

Scope: Installation of Firestop systems for all MEP penetrations through fire‐rated walls, partitions, and CMU walls; miscellaneous concrete core‐drilling and saw cutting.

Client Testimonials

Please don’t just take our world for it.

Latest Blog Posts

October 16, 2025

Troubleshooting the Most Common Concrete Sealer Problems

Concrete construction is a demanding and often hazardous line of work, requiring precision and care at every stage. Despite its…

October 9, 2025

The Critical Role of Firestop Installation in High-Rise Buildings

Smoke inhalation is one of the top causes of injuries and fatalities during a fire. High-rise buildings, due to their…

October 2, 2025

Why Clash Detection Matters for Core Drilling Contractors

Upgrades and renovations are a natural part of every building’s lifecycle. As technology evolves and modern living standards rise, both…

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Certifications & Associations

G&M Services, LLC certifications and associations include: