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 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…

September 25, 2025

How FM 4991 Certification Shapes Quality Firestop Services

When it comes to keeping your own building safe, contractors, property owners, and facility managers all share a big responsibility.…

September 19, 2025

Different Types of Concrete Cutting Services from G&M Services

Concrete cutting plays a vital role in commercial construction, renovation, and emergency repair projects. From creating clean openings for utilities…

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Certifications & Associations

G&M Services, LLC certifications and associations include: