Built on relationships.
Driven by performance.
Commercial HVAC, refrigeration and mechanical services engineered for the agencies, hospitals and industrial operators who can't afford downtime.
- 20+
- Years in the field
- 5
- States, one standard
- 24/7
- Emergency response
unit changeout, 48-hour window.
Four disciplines.
One standard.
From federal facilities to family homes, GMR delivers commercial-grade HVAC, refrigeration, and mechanical work with the discipline of a military operation and the responsiveness of a family business.
Commercial HVAC
Installation. Maintenance. Service.
Reliable HVAC solutions for commercial facilities and critical environments.
- Rooftop Units & Air Handlers
- Chillers & VRF Systems
- Preventive Maintenance
Refrigeration
Cold Storage. Walk-ins. Service Contracts.
Precision refrigeration built for food service, grocery, and industrial cold chains.
- Walk-in Coolers & Freezers
- Evaporator & Condenser Service
- 24/7 Monitoring
Mechanical Services
Retrofits. Piping. Equipment Replacement.
Full-scope mechanical contracting for new construction and facility modernization.
- Piping & Pump Systems
- Boilers & Chillers
- Design-Build Retrofits
Residential HVAC
Comfort. Repairs. New Systems.
Home comfort delivered with the same discipline our commercial clients depend on.
- System Replacement
- Seasonal Tune-Ups
- Indoor Air Quality
“We built GMR the way we served — with discipline, accountability and respect for the mission.”
Veteran-owned. Service-disabled. Mission-driven leadership.
GMR is led by military veterans who hold every commercial and government project to the standards of federal service. Discipline you can see in the workmanship. Accountability you can verify in the documentation.
Nine industries. One playbook.
Proven where it matters most.
A working record of federal, municipal, healthcare and commercial clients served on schedule and inspection-ready. Ask for a full past-performance packet for your agency's evaluation.
Five hubs.
Nationwide reach.
Operational hubs in Texas, Georgia, Kansas, Louisiana and North Dakota anchor a rapid-response network for federal and enterprise clients — dispatched from Carrollton, TX.
Built to the standard federal agencies expect.
GMR is a Service-Disabled Veteran-Owned Small Business ready for federal, state and local prime and subcontract work. Download our capability statement or contact contracts directly.
Core Competencies
- Commercial HVAC design-build
- Industrial refrigeration
- Mechanical retrofits
- Building automation
- Preventive maintenance
- Emergency response
Differentiators
- • SDVOSB · Set-aside eligible
- • Nationwide crew network
- • 24/7 mission-critical response
- • Prime & sub-contract ready
NAICS
Reviewed by the people who can't afford failure.
"GMR delivered a chiller replacement inside a live surgical wing without a single disruption. That's the standard we needed and they hit it."
"Their SDVOSB status and technical response impressed our evaluation committee. Execution has since matched the paperwork."
"One phone call, crews on-site within hours. GMR runs like a military operation and it shows on every ticket."
Ready when you are. 24/7.
Tell us about your facility. Emergency, scheduled service, or a government solicitation — we route your request to the right team within one business hour.
- (972) 820-9990Mon–Fri · 8AM–5PM CT
- 1-hour responseBusiness hours guarantee
- 2550 E. Trinity Mills Rd, Ste 130Carrollton, TX 75006