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Our Story
Here at LRJ Mechanical Corp. we specialize in Fire Sprinkler Systems.
LRJ Mechanical Corp has a combined three decades of experience in the industry. We take pride in our top-quality service provided to our customers at the most affordable rates.
No Job is too big or small for our team.
What We Do
Commercial Experience
Storage Facility / Warehouse
Animal Hospital / Kennel
Apartments & Condominiums
Arena / Stadium
Assisted Living
Athletic Field
Auto Dealership / Service
Bank
Bridge
Casinos
Church / Synagogue
City / Town Hall
Civil & Site Development
Club House / Community Center
Court House
Dams & Levies
Data Centers - Mission Critical
Design Build
Education (K-12)
Fire / Police Station
Fitness Center
Gas Station
Golf Course
Government
Grocery Stores
Historic Preservation
Hospital / Nursing Home
Hotel / Motel
House
Industrial Maintenance
Jail / Prison
Laboratory
Library
Lighting Retrofits
Manufacturing Plant
Marine
Medical Office
Military
Misc Project
Mixed Use
Museum
Non-Building Construction
Non-Residential Building
Office Building
Park / Playground
Parking Garage
Parking Lots
Post Office
Power Generation & Distribution
Pre-Manufactured Structures
Radio / Television Station
Renewable Energy
Residential Building
Restaurant
Retail Store
Road / Highway
School / College / University
Secure and Shielded Facilities
Sewage / Water Treatment Plant
Single Family Residential
Swimming Pool
Tennis Court
Terminal - Airport / Bus / Railroad
Theater
Theme Park
Tract Housing
Tunnel
Utilities
Regions & Counties Serviced
- New York City, Long Island and Hudson Valley
New York 2
- Nassau
- Suffolk
Our CSI Codes
21 01 10 - Operation and Maintenance of Water-Based Fire-Suppression Systems
21 01 20 - Operation and Maintenance of Fire-Extinguishing Systems
21 01 30 - Operation and Maintenance of Fire-Suppression Equipment
21 05 13 - Common Motor Requirements for Fire-Suppression Equipment
21 05 16 - Expansion Fittings and Loops for Fire-Suppression Piping
21 05 19 - Meters and Gages for Fire-Suppression Systems
21 05 23 - General-Duty Valves for Water-Based Fire-Suppression Piping
21 05 29 - Hangers and Supports for Fire-Suppression Piping and Equipment
21 05 33 - Heat Tracing for Fire-Suppression Piping
21 05 48 - Vibration and Seismic Controls for Fire-Suppression Piping and Equipment
21 05 53 - Identification for Fire-Suppression Piping and Equipment
21 06 10 - Schedules for Water-Based Fire-Suppression Systems
21 06 20 - Schedules for Fire-Extinguishing Systems
21 06 30 - Schedules for Fire-Suppression Equipment
21 07 16 - Fire-Suppression Equipment Insulation
21 07 19 - Fire-Suppression Piping Insulation
21 08 00.00.01 - Commissioning of Fire Suppression
21 09 00.00.01 - Instrumentation and Control for Fire-Suppression Systems
21 10 00.00.01 - Water-Based Fire-Suppression Systems
21 11 16 - Facility Fire Hydrants
21 11 19 - Fire-Department Connections
21 12 13 - Fire-Suppression Hoses and Nozzles
21 12 16 - Fire-Suppression Hose Reels
21 12 19 - Fire-Suppression Hose Racks
21 12 23 - Fire-Suppression Hose Valves
21 12 26 - Fire-Suppression Valve and Hose Cabinets
21 13 13 - Wet-Pipe Sprinkler Systems
21 13 16 - Dry-Pipe Sprinkler Systems
21 13 19 - Preaction Sprinkler Systems
21 13 23 - Combined Dry-Pipe and Preaction Sprinkler Systems
21 13 26 - Deluge Fire-Suppression Sprinkler Systems
21 13 29 - Water Spray Fixed Systems
21 13 36 - Antifreeze Sprinkler Systems
21 13 39 - Foam-Water Systems
21 20 00.00.01 - Fire-Extinguishing Systems
21 21 13 - Carbon-Dioxide Fire-Extinguishing Piping
21 22 13 - Clean-Agent Fire-Extinguishing Piping
21 22 16 - Clean-Agent Fire-Extinguishing Equipment
21 23 13 - Wet-Chemical Fire-Extinguishing Piping
21 23 16 - Wet-Chemical Fire-Extinguishing Equipment
21 24 13 - Dry-Chemical Fire-Extinguishing Piping
21 30 00.00.01 - Fire Pumps
21 31 13 - Electric-Drive, Centrifugal Fire Pumps
21 31 16 - Diesel-Drive, Centrifugal Fire Pumps
21 32 13 - Electric-Drive, Vertical-Turbine Fire Pumps
21 32 16 - Diesel-Drive, Vertical-Turbine Fire Pumps
21 33 13 - Electric-Drive, Positive-Displacement Fire Pumps
21 33 16 - Diesel-Drive, Positive-Displacement Fire Pumps
21 40 00.00.01 - Fire-Suppression Water Storage
21 41 13 - Pressurized Storage Tanks for Fire-Suppression Water
21 41 16 - Elevated Storage Tanks for Fire-Suppression Water
21 41 19 - Roof-Mounted Storage Tanks for Fire-Suppression Water
21 41 23 - Ground Suction Storage Tanks for Fire-Suppression Water
21 41 26 - Underground Storage Tanks for Fire-Suppression Water
21 41 29 - Storage Tanks for Fire-Suppression Water Additives
