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Magnolia Companies

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Washington, DC 20017

Company Info

  • Est. 1950
  • Size 500+ Employees
  • Annual Vol $6 million - $10 million

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Our Story

Since 1950, we have been a family-owned business, and now that we're in our 4th generation, we know more than ever that we're only as good as the last job we did. It's our name on that truck, and if you've got an issue that needs a good stormwater management company, Magnolia Companies is here for you.

What We Do

Commercial Experience

Non-Residential Building
Apartments & Condominiums Auto Dealership / Service Grocery Stores Hospital / Nursing Home Hotel / Motel House Misc Project Office Building Residential Building Restaurant Retail Store Single Family Residential

Regions & Counties Serviced

  • Washington D.C.

District Of Columbia All

Maryland 10

  • Anne Arundel
  • Baltimore
  • Calvert
  • Carroll
  • Charles
  • Frederick
  • Harford
  • Howard
  • Montgomery
  • Prince Georges

Virginia 6

  • Arlington
  • Dickenson
  • Fairfax
  • Fairfax (City Of)
  • Loudoun
  • Prince William

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 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 10 00.00.01 - Plumbing Piping and Pumps
22 13 19.13 - Sanitary Drains
23 22 13.13 - Underground Steam and Condensate Heating Piping
26 05 43 - Underground Ducts and Raceways for Electrical Systems
31 21 16.13 - Methane Venting
33 01 30.13 - Sewer and Manhole Testing
33 01 30.16 - TV Inspection of Sewer Pipelines
33 01 30.71 - Rehabilitation 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 19 - Pressure Piping Tied Joint Restraint System
33 06 10 - Schedules for Water 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 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 11 16 - Site Water Utility Distribution Piping
33 13 00.00.01 - Disinfecting of Water Utility Distribution
33 29 00.00.01 - Well Abandonment
33 33 13 - Sanitary Utility Sewerage
33 33 16 - Combined Utility Sewerage
33 34 13 - Sanitary Utility Sewerage Inverted Siphons
33 39 23 - Sanitary Utility Sewerage Cleanouts
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 23 36 - Sanitary Water Process Piping

Project Experience

  • Non-Union
  • Public
  • Private
  • New Projects
  • Alterations/Renovations
  • Service Work/Repairs
  • Projects Up to $30,000,000

Gallery

Featured Image 1
Services
Featured Image 2
Services
Featured Image 3
Services
Featured Image 4
Services
Service Area and Locations Map for Magnolia Companies

Associations & Memberships

Construction Trades Foundation of Montgomery Co.
Construction Trades Foundation of Montgomery Co.
DC Chamber of Commerce
DC Chamber of Commerce
ACCA (Air Conditioning Contractors of America)
ACCA (Air Conditioning Contractors of America)
PHCC (Plumbing, Heating, Cooling Contractors Assn.)
PHCC (Plumbing, Heating, Cooling Contractors Assn.)
Associated Builders and Contractors
Associated Builders and Contractors
DC Master Plumbers Assn.

Preferred Brands

American Standard
American Standard
American Standard Heating & Air Conditioning
American Standard Heating & Air Conditioning
Carrier Heating & Air Conditioning
Carrier Heating & Air Conditioning
Gerber Plumbing Fixtures
Gerber Plumbing Fixtures
Honeywell
Honeywell
Kohler
Kohler
State Industries Water Heaters
State Industries Water Heaters
Toto
Toto
Trane
Trane
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