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Our Story
G.A. Mechanical Inc. is a Maryland Small Business, that opened its doors in 1998, in the Baltimore Area.
Our business includes, but are not limited to Plumbing,Heating, and Mechanical Services. Our Backflow Prevention Management Program has received A+ ratings from multiple agencies and facilities.
Commercial Experience
Arena / Stadium
City / Town Hall
Government
Hospital / Nursing Home
Misc Project
Secure and Shielded Facilities
Bank
Church / Synagogue
Design Build
Laboratory
Manufacturing Plant
Medical Office
Military
Office Building
Parking Garage
Sewage / Water Treatment Plant
Storage Facility / Warehouse
Utilities
Regions & Counties Serviced
- Washington D.C.
Delaware All
Maryland All
Our CSI Codes
22 01 10 - Operation and Maintenance of Plumbing Piping and Pumps
22 01 30 - Operation and Maintenance of Plumbing Equipment
22 01 40 - Operation and Maintenance of Plumbing Fixtures
22 01 50 - Operation and Maintenance of Pool and Fountain Plumbing Systems
22 01 60 - Operation and Maintenance of Laboratory and Healthcare Systems
22 05 13 - Common Motor Requirements for Plumbing Equipment
22 05 16 - Expansion Fittings and Loops for Plumbing Piping
22 05 19 - Meters and Gages for Plumbing Piping
22 05 23 - General-Duty Valves for Plumbing Piping
22 05 29 - Hangers and Supports for Plumbing Piping and Equipment
22 05 33 - Heat Tracing for Plumbing Piping
22 05 48 - Vibration and Seismic Controls for Plumbing Piping and Equipment
22 05 53 - Identification for Plumbing Piping and Equipment
22 05 73 - Facility Drainage Manholes
22 05 76 - Facility Drainage Piping Cleanouts
22 06 10 - Schedules for Plumbing Piping and Pumps
22 06 10.13 - Plumbing Pump Schedule
22 06 30.13 - Domestic Water Heater Schedule
22 06 60 - Schedules for Laboratory and Healthcare Systems
22 07 16 - Plumbing Equipment Insulation
22 07 19 - Plumbing Piping Insulation
22 08 00.00.01 - Commissioning of Plumbing
22 09 00.00.01 - Instrumentation and Control for Plumbing
22 10 00.00.01 - Plumbing Piping and Pumps
22 11 13 - Facility Water Distribution Piping
22 13 13 - Facility Sanitary Sewers
22 13 16 - Sanitary Waste and Vent Piping
22 13 19 - Sanitary Waste Piping Specialties
22 13 19.13 - Sanitary Drains
22 14 13 - Facility Storm Drainage Piping
22 15 13 - General Service Compressed-Air Piping
22 30 00.00.01 - Plumbing Equipment
22 33 13 - Instantaneous Electric Domestic Water Heaters
22 33 13.13 - Flow-Control, Instantaneous Electric Domestic Water Heaters
22 33 13.16 - Thermostat-Control, Instantaneous Electric Domestic Water Heaters
22 33 30 - Residential, Electric Domestic Water Heaters
22 33 30.13 - Residential, Small-Capacity Electric Domestic Water Heaters
22 33 30.16 - Residential, Storage Electric Domestic Water Heaters
22 33 30.23 - Residential, Collector-to-Tank, Solar-Electric Domestic Water Heaters
22 33 30.26 - Residential, Collector-to-Tank, Heat-Exchanger-Coil, Solar-Electric Domestic Water Heaters
22 33 33 - Light-Commercial Electric Domestic Water Heaters
22 33 36 - Commercial Domestic Water Electric Booster Heaters
22 33 36.13 - Commercial Domestic Water Electric Booster Heaters
22 33 36.16 - Commercial Storage Electric Domestic Water Heaters
22 34 13 - Instantaneous, Tankless, Gas Domestic Water Heaters
22 34 30 - Residential Gas Domestic Water Heaters
22 34 30.13 - Residential, Atmospheric, Gas Domestic Water Heaters
22 34 30.16 - Residential, Direct-Vent, Gas Domestic Water Heaters
22 34 30.19 - Residential, Power-Vent, Gas Domestic Water Heaters
22 34 36 - Commercial Gas Domestic Water Heaters
22 34 36.13 - Commercial, Atmospheric, Gas Domestic Water Heaters
22 34 36.16 - Commercial, Power-Burner, Gas Domestic Water Heaters
22 34 36.19 - Commercial, Power-Vent, Gas Domestic Water Heaters
22 34 36.23 - Commercial, High-Efficiency, Gas Domestic Water Heaters
22 34 36.26 - Commercial, Coil-Type, Finned-Tube, Gas Domestic Water Heaters
22 34 36.29 - Commercial, Grid-Type, Finned-Tube, Gas Domestic Water Heaters
22 34 46 - Oil-Fired Domestic Water Heaters
22 34 46.13 - Large-Capacity, Oil-Fired Domestic Water Heaters
22 34 56 - Dual-Fuel-Fired Domestic Water Heaters
22 35 13 - Instantaneous Domestic Water Heat Exchangers
22 35 13.13 - Heating-Fluid-in-Coil, Instantaneous Domestic Water Heat Exchangers
22 35 13.16 - Domestic-Water-in-Coil, Instantaneous Domestic Water Heat Exchangers
22 35 13.19 - Heating-Fluid-in-U-Tube-Coil, Instantaneous Domestic Water Heat Exchangers
22 35 23 - Circulating, Domestic Water Heat Exchangers
22 35 23.13 - Circulating, Compact Domestic Water Heat Exchangers
22 35 23.16 - Circulating, Storage Domestic Water Heat Exchangers
22 35 29 - Noncirculating, Domestic Water Heat Exchangers
22 35 29.13 - Noncirculating, Compact Domestic Water Heat Exchangers
22 35 29.16 - Noncirculating, Storage Domestic Water Heat Exchangers
22 35 36 - Domestic Water Brazed-Plate Heat Exchangers
22 35 39 - Domestic Water Frame-and-Plate Heat Exchangers
22 35 43 - Domestic Water Heat Reclaimers
22 40 00.00.01 - Plumbing Fixtures
22 42 13 - Commercial Water Closets, Urinals, and Bidets
22 42 16 - Commercial Lavatories and Sinks
22 42 19 - Commercial Bathtubs
22 42 23 - Commercial Shower Receptors and Basins
22 42 26 - Commercial Disposers
22 42 29 - Shampoo Bowls
22 42 33 - Wash Fountains
22 42 36 - Commercial Laundry Trays
22 42 39 - Commercial Faucets, Supplies, and Trim
22 42 43 - Flushometers
22 43 13 - Healthcare Water Closets
22 43 16 - Healthcare Sinks
22 43 19 - Healthcare Bathtubs and Showers
22 43 23 - Healthcare Shower Receptors and Basins
22 43 39 - Healthcare Faucets
22 43 43 - Healthcare Plumbing Fixture Flushometers
22 45 13 - Emergency Showers
22 45 16 - Eyewash Equipment
22 45 19 - Self-Contained Eyewash Equipment
22 45 23 - Personal Eyewash Equipment
22 45 26 - Eye/Face Wash Equipment
22 45 29 - Hand-Held Emergency Drench Hoses
22 45 33 - Combination Emergency Fixture Units
22 45 36 - Emergency Fixture Water-Tempering Equipment
22 46 13 - Security Water Closets and Urinals
22 46 16 - Security Lavatories and Sinks
22 46 39 - Security Faucets, Supplies, and Trim
22 46 43 - Security Plumbing Fixture Flushometers
22 46 53 - Security Plumbing Fixture Supports
22 47 13 - Drinking Fountains
22 47 16 - Pressure Water Coolers
22 47 19 - Water-Station Water Coolers
22 47 23 - Remote Water Coolers
22 50 00.00.01 - Pool and Fountain Plumbing Systems
22 60 00.00.01 - Gas and Vacuum Systems for Laboratory and Healthcare Facilities
22 61 13 - Compressed-Air Piping for Laboratory and Healthcare Facilities
22 61 13.53 - Laboratory Compressed-Air Piping
22 61 13.70 - Healthcare Compressed-Air Piping
22 61 13.74 - Dental Compressed-Air Piping
22 61 19.70 - Healthcare Compressed-Air Equipment
22 62 13 - Vacuum Piping for Laboratory and Healthcare Facilities
22 62 13.53 - Laboratory Vacuum Piping
22 62 13.70 - Healthcare, Surgical Vacuum Piping
22 62 13.74 - Dental Vacuum Piping
22 62 23 - Waste Anesthesia-Gas Piping
22 63 13 - Gas Piping for Laboratory and Healthcare Facilities
22 63 13.53 - Laboratory Gas Piping
22 63 13.70 - Healthcare Gas Piping
22 66 53 - Laboratory Chemical-Waste and Vent Piping
22 66 70 - Healthcare Chemical-Waste and Vent Piping
22 66 83 - Chemical-Waste Tanks
22 67 13 - Processed Water Piping for Laboratory and Healthcare Facilities
22 67 13.13 - Distilled-Water Piping
23 01 20 - Operation and Maintenance of HVAC Piping and Pumps
23 01 80 - Operation and Maintenance of Decentralized HVAC Equipment
23 06 10 - Schedules for Facility Fuel Service Systems
23 06 20 - Schedules for HVAC Piping and Pumps
23 06 50.13 - Heating Boiler Schedule
23 06 80.16 - Convection Heating and Cooling Unit Schedule
23 10 00.00.01 - Facility Fuel Systems
23 11 13 - Facility Fuel-Oil Piping
23 11 23 - Facility Natural-Gas Piping
23 20 00.00.01 - HVAC Piping and Pumps
23 21 13.23 - Aboveground Hydronic Piping
23 22 13 - Steam and Condensate Heating Piping
23 22 13.13 - Underground Steam and Condensate Heating Piping
23 22 13.23 - Aboveground Steam and Condensate Heating Piping
23 24 16 - Internal-Combustion Engine Exhaust Piping
26 05 43 - Underground Ducts and Raceways for Electrical Systems
31 21 16.13 - Methane Venting
33 01 30 - Operation and Maintenance of Sewer Utilities
33 01 30.51 - Maintenance of Sewer Utilities
33 01 60 - Operation and Maintenance of Hydronic and Steam Energy Utilities
33 01 70 - Operation and Maintenance of Electrical Utilities
33 01 80 - Operation and Maintenance of Communications Utilities
33 05 13.13 - Manhole Grade Adjustment
33 06 10 - Schedules for Water Utilities
33 06 30 - Schedules for Sanitary Sewerage Utilities
33 06 40 - Schedules for Storm Drainage Utilities
33 06 60 - Schedules for Hydronic and Steam Energy Utilities
33 06 70 - Schedules for Electrical Utilities
33 09 30 - Instrumentation and Control for Sanitary Sewerage Utilities
33 09 40 - Instrumentation and Control for Storm Drainage Utilities
33 09 60 - Instrumentation and Control for Hydronic and Steam Energy Utilities
33 09 70 - Instrumentation and Control for Electrical Utilities
33 10 00.00.01 - Water Utilities
33 11 16 - Site Water Utility Distribution Piping
33 29 00.00.01 - Well Abandonment
33 30 00.00.01 - Sanitary Sewerage Utilities
33 31 13 - Public Sanitary Utility Sewerage Piping
33 33 13 - Sanitary Utility Sewerage
33 33 16 - Combined Utility Sewerage
33 34 13 - Sanitary Utility Sewerage Inverted Siphons
33 41 13 - Public Storm Utility Drainage Piping
33 50 00.00.01 - Fuel Distribution Utilities
33 51 13 - Natural-Gas Piping
33 60 00.00.01 - Hydronic and Steam Energy Utilities
33 61 13 - Underground Hydronic Energy Distribution
33 61 23 - Aboveground Hydronic Energy Distribution
33 63 13 - Underground Steam and Condensate Distribution Piping
33 70 00.00.01 - Electrical Utilities
33 71 19 - Electrical Underground Ducts and Manholes
33 71 39.23 - Underground High-Voltage Wiring
33 71 49.23 - Underground Medium-Voltage Wiring
33 79 19 - Utilities Grounding
33 79 19.13 - Electrical Utilities Grounding
33 79 19.16 - Communications Utilities Grounding
40 01 10 - Operation and Maintenance of Gas and Vapor Process Piping
40 01 20 - Operation and Maintenance of Liquids Process Piping
40 01 40 - Operation and Maintenance of Process Piping and Equipment Protection
40 05 13 - Common Work Results for Process Piping
40 05 13.13 - Steel Process Piping
40 05 13.16 - Lined or Internally-Coated Steel Process Piping
40 05 13.19 - Stainless-Steel Process Piping
40 05 13.23 - Aluminum Alloys Process Piping
40 05 13.33 - Brass, Bronze, Copper, and Copper Alloys Process Piping
40 05 13.43 - Nickel and Nickel Alloys Process Piping
40 05 13.53 - Ductile, Malleable, and Cast Iron Alloys Process Piping
40 05 13.63 - Titanium and Titanium Alloys Process Piping
40 05 13.73 - Plastic Process Piping
40 05 13.76 - Fiberglass-Reinforced Plastic and Resins Process Piping
40 05 13.93 - Other Metals Process Piping
40 06 10 - Schedules for Gas and Vapor Process Piping
40 06 20 - Schedules for Liquids Process Piping
40 06 30 - Schedules for Solid and Mixed Materials Piping and Chutes
40 06 40 - Schedules for Process Piping and Equipment Protection
40 10 00.00.01 - Gas and Vapor Process Piping
40 11 13 - Low-Pressure Steam Process Piping
40 11 16 - Intermediate-Pressure Steam Process Piping
40 11 19 - High-Pressure Steam Process Piping
40 11 23 - Condensate Process Piping
40 12 13 - Breathing Compressed Air Process Piping
40 12 16 - Non-Breathing Compressed Air Process Piping
40 13 13 - Argon Process Piping
40 13 16 - Carbon-Dioxide Process Piping
40 13 19 - Helium Process Piping
40 13 23 - Krypton Process Piping
40 13 26 - Neon Process Piping
40 13 29 - Nitrogen Process Piping
40 13 33 - Xenon Process Piping
40 13 93 - Mixed Inert Gases Process Piping
40 14 16 - Blue (Water) Fuel Gas Piping
40 14 19 - Butane Piping
40 14 23 - Carbon-Monoxide Piping
40 14 26 - Chlorine Fuel Gas Piping
40 14 33 - Ethane-Gas Piping
40 14 36 - Hydrogen Fuel Gas Piping
40 14 39 - Liquid Natural-Gas Process Piping
40 14 43 - Methylacetylene-Propadiene Fuel Gas Piping
40 14 49 - Natural-Gas Process Piping
40 14 49.13 - Synthetic Natural-Gas Piping
40 14 49.23 - Propane-Air Mixes Fuel Gas Piping
40 14 53 - Octane Fuel Gas Piping
40 14 59 - Propane Fuel Gas Process Piping
40 14 63 - Sewage Fuel Gas Piping
40 14 93 - Mixed Fuel Gases Piping
40 15 13 - Combustion Air Piping
40 15 16 - Oxygen Combustion System Gas Piping
40 15 23 - Exothermic-Gas Combustion System Piping
40 15 26 - Endothermic-Gas Combustion System Piping
40 15 29 - Disassociated-Ammonia-Gas Combustion System Piping
40 16 13 - Ammonia Gas Piping
40 16 16 - Boron Gas Piping
40 16 26 - Diborane Gas Piping
40 16 29 - Fluorine Gas Piping
40 16 33 - Hydrogen Sulfide Gas Piping
40 16 36 - Nitrous-Oxide Gas Process Piping
40 16 39 - Ozone Gas Piping
40 16 43 - Phosphine Gas Piping
40 16 46 - Silane Gas Piping
40 16 49 - Sulfur-Dioxide Gas Piping
40 16 53 - Specialty Gas Mixtures Piping
40 18 13 - Low-Vacuum Systems Process Piping
40 18 16 - High-Vacuum Systems Process Piping
40 20 00.00.01 - Liquids Process Piping
40 21 13 - Bio Fuels Process Piping
40 22 16 - Light-Fractions Petroleum Products Piping
40 23 13 - De-Ionized Water Process Piping
40 23 16 - Distilled-Water Process Piping
40 23 19 - Process Plant Water Piping
40 23 23 - Potable Water Process Piping
40 23 29 - Recirculated Water Process Piping
40 23 33 - Reverse-Osmosis Water Process Piping
40 23 36 - Sanitary Water Process Piping
40 24 13 - Alcohol Piping
40 24 16 - Gel Piping
40 24 19 - Slurries Process Piping
40 24 23 - Thixotropic Liquid Piping
40 25 13 - Liquid Acids Piping
40 25 16 - Liquid Bases Piping
40 26 00.00.01 - Liquid Polymer Piping
42 11 13 - Low-Pressure Process Boilers
42 11 16 - Intermediate-Pressure Process Boilers
42 11 19 - High-Pressure Process Boilers
42 11 23 - Specialty Process Boilers
42 22 13 - Centrifugal Process Chillers and Coolers
42 22 16 - Reciprocating Process Chillers and Coolers
42 22 19 - Refrigerant Process Chillers and Coolers
42 22 23 - Rotary Process Chillers and Coolers
42 22 26 - Thermoelectric Process Chillers and Coolers
42 31 13 - Drying Evaporators
42 31 16 - Desiccant Equipment
42 31 19 - Regenerative Dryers
42 31 23 - Refrigerant Dryers
