Maryland Government Contractors > By Category > NAICS 423720 - Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
Government Contractors in Maryland
Results for NAICS 423720 - Plumbing and Heating Equipment and Supplies (Hydronics)
1 - 25 of 157 Company(ies)
INFOTEK INTERNATIONAL INC - Waldorf, Maryland
Service
Infotek International, Inc. has maintained a focus on information technology specifically modeling & simulation, database design and data visualization. Infotek specialized in serious game development and product visualization for brand and industry.
(240) 627-7026
1282 Smallwood Dr W # 361 Waldorf, MD 20603
TOULSON ENTERPRISES, LLC - Mitchellville, Maryland
Service
Project Management, SBA Certifications, Telecommunications, Electrical & Data Applications Wiring, Investigative Services, Office Administrative Services & Facilities Management, Engineering Services
(301) 684-8007
12138 Central Ave Ste 335 Mitchellville, MD 20721
HAGUE QUALITY WATER OF MARYLAND, INC - Annapolis, Maryland
Service
Comm./res. water treatment systems incl. filters, R/O, coolers and purification/sanitation systems. Filtration/sanitation designed for specific needs. Portable systems for long-term or temporary point-of-use drinking water. Service same.
410-757-2992 x202
814 E College Pkwy Annapolis, MD 21409
DELAWARE CORNERSTONE BUILDERS, INC. - Landover, Maryland
Construction , Service
GENERAL CONSTRUCTION, RENOVATION, TENANT FIT-OUT, ASBESTOS AND LEAD ABATEMENT, DEMOLITION, WRECKING, UST/AST's, INSULATION, HAZ-MAT, CERCLA
301-864-2600 x606
3027 Hubbard Rd # 103 Landover, MD 20785
MAC Inspection & Welding Agency, LLC - Edgewood, Maryland
Service
CWI to the AWS, Authorized Inspctr to the ASME.Certified Boiler & Pressure Vessel Inspctr, 'R' inspctns to the NBIC.Jurisdictional, Insurance & State Inspctns. Inspect any AWS or ASME Code. Authorized to certify welders qualifications & welding procedures.
(410) 676-9962
3138 Ebbtide Dr Edgewood, MD 21040
GOEL SERVICES, INC. - Washington, Maryland
Construction , Service
Renovations, Design Build, Asbestos, Lead Paint Abatement, Insulation, Demolition, Wrecking, General Contruction, Sewer Evaluation Services, Mechanical Insulation, Environemntal cleanup and remediation
202-457-0111 x602
3027 Hubbard Road; Suite 101 Washington, MD 20785
GECS INC. - Waldorf, Maryland
Research and Development , Service
WE CAN DEVELOP CUSTOMISED SOFTWARE TO AUTOMATE ROUTINE OFFICE WORK. THE SOFTWARE CAN USTILIZE AND UPDATE A DATABASE. WE CAN DEBUG OR REWRITE THE EXISTING SOFTWARE WRITTEN IN OLD LANGUAGES. WE CAN MASS PRODUCE CDs AND DVDs
(301) 632-2870
10587 Sourwood Ave Waldorf, MD 20603
J's Associates LLC - Dunkirk, Maryland
Construction , Service
Mechanical services, Parts and supplies, water treatment
(301) 801-9859
10375 Southern Maryland Blvd. Ste 16b Dunkirk, MD 20754
WORLD WIDE CORP. - Baltimore, Maryland
Construction , Service
Specialize in backckflow prevention, Medical gas, and Hospital plumbing
(410) 243-0145
2126 Aisquith St Baltimore, MD 21218
JW Environmental, LLC - Phoenix, Maryland
Construction , Manufacturing , Research and Development , Service
General Construction, Renovations, Water Purification, Desalination Plants, Water Conditioning, soil Remediation, Bottled Water Plants, Boiler/Steam Pre-Treatment, Plumbing contractor
(410) 365-3150
2824 Paper Mill Rd Phoenix, MD 21131
Mid-Atlantic Chemicals Corporation - Annapolis, Maryland
Research and Development , Service
DISTRIBUTORS FOR: EXXON/MOBIL, CITGO, VALVOLINE, AND TEXACO. ALSO MANUFACTURE OF SILCONE BRAKE MIL-B-46176A AND FLUID AND PENETRATING OILS MIL-.
(866) 469-4702
3 Church Cir Ste 174 Annapolis, MD 21401
NOW ENTERPRISE LLC - Baltimore, Maryland
Service
NOW Enterprises, LLC is a minority-woman owned, SDVOSB, SDB, MBE/DBE, HUBZone, owned Information Technology company. We are a leading provider of hardware, software and consultant services to Federal Agencies and Federal Systems Integrators.
(757) 450-5992
3835 Saint Victor St Baltimore, MD 21225
NORTHEASTERN SUPPLY, INC. - Baltimore, Maryland
Service
PLUMBING FIXTURES & SUPPLIES. PIPE VALVES & FITTINGS - STEEL, CAST IRON, PLASTIC, COPPER, BRASS. HEATING, VENTILATION, AIR CONDITIONING (HVAC) SUPPLIES.WATER SYSTEMS - PUMPS, WATER CONDITIONERS, FILTERS. HARDWARE & TOOLS. HOT WATER HEATERS - RESIDENTIAL &
410-574-0010 x3042
8323 Pulaski Hwy Baltimore, MD 21237
MONUMENTAL SUPPLY CO INC - Baltimore, Maryland
Construction , Manufacturing , Service
DISTRIBUTOR INDUSTRIAL OF PIPE, VALVES AND FITTINGS, FIRE PROTECTION PIPE, FITTINGS, SPRINKLER HEADS, ELEVATOR RAILS, CABLE AND WIRE ROPE
410-732-9300 x4927
401 S Haven St Baltimore, MD 21224
MDR INSPECTIONS & ANALYSIS L.L.C. - Baltimore, Maryland
Construction , Research and Development , Service
Consultants, Engineers, Solar Energy Equipment Soultions Providers Researchers, Trainers, Facilities Designers, Loss Mitigation Experts, Enviornmental Specialist Microbial and Information Technology Specialist, Special Needs Transportation Services
(410) 469-0229
1101 E 33rd St Ste C301 Baltimore, MD 21218
BELTWAY CLEANING SYSTEMS - Bowie, Maryland
Pressure Washers, Vehicle Washers, Water Recycling systmes. Parts Washing Cabinets, Cleaning Chemicals.
(240) 460-3503
12304 Hillmeade Dr Bowie, MD 20720
CORNETT AND ASSOCIATES, LLC - Rockville, Maryland
Cornett and Associates, LLC is a 100% Service-Disabled Veteran-Owned Company providing water treatment for heating/cooling systems and general construction services.
(240) 223-7426
5284 Randolph Rd #150 Rockville, MD 20852
COPELAND INDUSTRIES, INC. - Halethorpe, Maryland
Construction , Manufacturing , Service
We design, distribute, and install compressed air systems and accessories. Our services include maintenance, repair, and diagnostic (audit) capabilities. We can remotely monitor air compressor systems to improve reliability while decreasing costs.
(410) 923-4235
1900 Lansdowne Rd Ste G Halethorpe, MD 21227
MILBY COMPANY - Elkridge, Maryland
Manufacturing , Service
Distributors of water systems pumps & accessories, wastewater pumps & systems, water conditioning & treatment, well drilling, plumbing, geothermal heat pump systems, ASME certified tanks, motors and controls
(410) 796-7700
6201 S Hanover Rd Elkridge, MD 21075
ENERGY MANAGEMENT STRATEGIES - Sabillasville, Maryland
Service
Energy Management Strategies, LLC is a full service energy management consulting company. EMS are also the Subject Matter Experts for NetZero projects for the Department of Defense (DOD).
(301) 241-5020
17515 Harbaugh Valley Rd Sabillasville, MD 21780
INTERNATIONAL TECHNOLOGY GROUP LLC - Westminster, Maryland
Service
The International Technology Group works with client partners to develop technology solutions to better their businesses. We are proficient in various online development languages, networking, creative design and marketing and intrarelated tech fields.
866-506-9445 x102
9 Westminster Shopping Ctr Ste 122 Westminster, MD 21157
LJUNGQUIST, KAREN - Clinton, Maryland
Construction , Research and Development , Service
Energy management systems integrator & construction consulting firm specializing in comprehensive energy equipment evaluation & installation, systems integration of energy management systems and building networks, utility reduction, auditing and training.
(202) 438-1008
8711 Branch Ave Ste 111 Clinton, MD 20735
C & N Sales LLC - Rockville, Maryland
Service
stocking distributor of military spares, military packaging
(301) 881-6294
5901 Vandegrift Ave Rockville, MD 20851
LEGATUS6 LLC - Bethesda, Maryland
Construction , Service
1. Facility management and maintenance 2. Solar photovoltaic systems development and construction 3. Energy management 4. Warehouse operations and material management 5. Military intelligence operations support
(301) 652-1992
4641 Montgomery Avenue, Suite 401 Bethesda, MD 20814
DINO CAT INDUSTRIAL SUPPLIES, LLC - Taneytown, Maryland
Construction , Manufacturing , Research and Development , Service
Manage inventory systems with quaility products. Try to use USA made products.
(410) 756-5254
3940 Sells Mill Rd Taneytown, MD 21787
Certifications
Ownership / Diversity
Business Type
NAICS Code
- 11 - Agriculture & Livestock
- 21 - Mining, Oil & Gas
- 22 - Utilities
- 23 - Construction
- 31 - Food & Apparel
- 32 - Non-Metallic Manufacturing
- 33 - Metallic Manufacturing
- 42 - Wholesale Trade
- 423 - Merchant Wholesalers, Durable Goods
- 423110 - Automobile and Other Motor Vehicle Merchant Wholesalers
- 423120 - Motor Vehicle Supplies and New Parts Merchant Wholesalers
- 423130 - Tire and Tube Merchant Wholesalers
- 423140 - Motor Vehicle Parts (Used) Merchant Wholesalers
- 423210 - Furniture Merchant Wholesalers
- 423220 - Home Furnishing Merchant Wholesalers
- 423310 - Lumber, Plywood, Millwork, and Wood Panel Merchant Wholesalers
- 423320 - Brick, Stone, and Related Construction Material Merchant Wholesalers
- 423330 - Roofing, Siding, and Insulation Material Merchant Wholesalers
- 423390 - Other Construction Material Merchant Wholesalers
- 423410 - Photographic Equipment and Supplies Merchant Wholesalers
- 423420 - Office Equipment Merchant Wholesalers
- 423430 - Computer and Computer Peripheral Equipment and Software Merchant Wholesalers
- 423440 - Other Commercial Equipment Merchant Wholesalers
- 423450 - Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers
- 423460 - Ophthalmic Goods Merchant Wholesalers
- 423490 - Other Professional Equipment and Supplies Merchant Wholesalers
- 423510 - Metal Service Centers and Other Metal Merchant Wholesalers
- 423520 - Coal and Other Mineral and Ore Merchant Wholesalers
- 423610 - Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers
- 423620 - Electrical and Electronic Appliance, Television, and Radio Set Merchant Wholesalers
- 423690 - Other Electronic Parts and Equipment Merchant Wholesalers
- 423710 - Hardware Merchant Wholesalers
- 423720 - Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
- 423730 - Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
- 423740 - Refrigeration Equipment and Supplies Merchant Wholesalers
- 423810 - Construction and Mining (except Oil Well) Machinery and Equipment Merchant Wholesalers
- 423820 - Farm and Garden Machinery and Equipment Merchant Wholesalers
- 423830 - Industrial Machinery and Equipment Merchant Wholesalers
- 423840 - Industrial Supplies Merchant Wholesalers
- 423850 - Service Establishment Equipment and Supplies Merchant Wholesalers
- 423860 - Transportation Equipment and Supplies (except Motor Vehicle) Merchant Wholesalers
- 423910 - Sporting and Recreational Goods and Supplies Merchant Wholesalers
- 423920 - Toy and Hobby Goods and Supplies Merchant Wholesalers
- 423930 - Recyclable Material Merchant Wholesalers
- 423940 - Jewelry, Watch, Precious Stone, and Precious Metal Merchant Wholesalers
- 423990 - Other Miscellaneous Durable Goods Merchant Wholesalers
- 424 - Merchant Wholesalers, Nondurable Goods
- 425 - Wholesale Electronic Markets and Agents and Brokers
- 44 - Retail Trade
- 45 - Retail Trade - Misc.
- 48 - Transportation
- 49 - Postal & Warehousing
- 51 - IT Technology
- 52 - Finance and Insurance
- 53 - Real Estate
- 54 - Professional Services
- 55 - Company Management
- 56 - Administrative Service
- 61 - Educational Services
- 62 - Health Care
- 71 - Arts and Entertainment
- 72 - Travel & Food Services
- 81 - Other Services
- 92 - Public Administration
CITY
- Aberdeen
- Aberdeen Proving Ground
- Accident town
- Accokeek
- Adamstown
- Adelphi
- Algonquin
- Allen
- Andrews AFB
- Annapolis
- Annapolis Neck
- Antietam
- Aquasco
- Arbutus
- Arden on the Severn
- Arnold
- Ashton-Sandy Spring
- Aspen Hill
- Baden
- Bagtown
- Bakersville
- Ballenger Creek
- Baltimore
- Baltimore Highlands
- Barclay town
- Barnesville town
- Barrelville
- Barton town
- Bartonsville
- Beaver Creek
- Bel Air
- Bel Air North
- Bel Air South
- Bel Air town
- Beltsville
- Benedict
- Bensville
- Berlin town
- Berwyn Heights town
- Bethesda
- Betterton town
- Bier
- Big Pool
- Big Spring
- Bishopville
- Bivalve
- Bladensburg town
- Bloomington
- Boonsboro town
- Bowie
- Bowleys Quarters
- Bowling Green
- Bowmans Addition
- Braddock Heights
- Brandywine
- Breathedsville
- Brentwood town
- Brock Hall
- Brookeville town
- Brooklyn Park
- Brookmont
- Brookview town
- Broomes Island
- Brownsville
- Brunswick
- Bryans Road
- Bryantown
- Buckeystown
- Burkittsville town
- Burtonsville
- Butlertown
- Cabin John
- California
- Calvert Beach
- Calverton
- Cambridge
- Camp Springs
- Cape St. Claire
- Capitol Heights town
- Carlos
- Carney
- Catonsville
- Cavetown
- Cearfoss
- Cecilton town
- Cedarville
- Centreville town
- Chance
- Charlestown town
- Charlotte Hall
- Charlton
- Chesapeake Beach town
- Chesapeake Ranch Estates
- Chesapeake town
- Chester
- Chestertown town
- Cheverly town
- Chevy Chase
- Chevy Chase Section Five village
- Chevy Chase Section Three village
- Chevy Chase town
- Chevy Chase View town
- Chevy Chase Village town
- Chewsville
- Chillum
- Choptank
- Church Creek town
- Church Hill town
- Clarksburg
- Clarysville
- Clear Spring town
- Clinton
- Cloverly
- Cobb Island
- Cockeysville
- Colesville
- College Park
- Colmar Manor town
- Columbia
- Coral Hills
- Cordova
- Corriganville
- Cottage town
- Crellin
- Cresaptown
- Crisfield
- Crofton
- Croom
- Crownsville
- Cumberland
- Damascus
- Dames Quarter
- Danville
- Dargan
- Darlington
- Darnestown
- Dawson
- Deal Island
- Deale
- Deer Park town
- Delmar town
- Denton town
- Derwood
- Detmold
- District Heights
- Downsville
- Drum Point
- Dundalk
- Dunkirk
- Eagle Harbor town
- Eakles Mill
- East New Market town
- East Riverdale
- Easton town
- Eckhart Mines
- Eden
- Edesville
- Edgemere
- Edgemont
- Edgewater
- Edgewood
- Edmonston town
- Eldersburg
- Eldorado town
- Elkridge
- Elkton town
- Ellerslie
- Ellicott
- Elliott
- Emmitsburg town
- Ernstville
- Essex
- Fairland
- Fairlee
- Fairmount
- Fairmount Heights town
- Fairplay
- Fairview
- Fairwood
- Fallston
- Federalsburg town
- Ferndale
- Finzel
- Fishing Creek
- Flintstone
- Forest Glen
- Forest Heights town
- Forestville
- Fort Meade
- Fort Ritchie
- Fort Washington
- Fountainhead-Orchard Hills
- Four Corners
- Franklin
- Frederick
- Frenchtown-Rumbly
- Friendly
- Friendship
- Friendship Heights Village
- Friendsville town
- Frostburg
- Fruitland
- Fulton
- Funkstown town
- Gaithersburg
- Galena town
- Galestown town
- Galesville
- Gambrills
- Gapland
- Garrett Park town
- Garretts Mill
- Garrison
- Georgetown
- Germantown
- Gilmore
- Girdletree
- Glassmanor
- Glen Burnie
- Glen Echo town
- Glenarden
- Glenmont
- Glenn Dale
- Golden Beach
- Goldsboro town
- Gorman
- Grahamtown
- Grantsville town
- Grasonville
- Greenbelt
- Greensboro town
- Greensburg
- Hagerstown
- Halfway
- Hampstead town
- Hampton
- Hancock town
- Havre de Grace
- Hebron town
- Henderson town
- Herald Harbor
- Highfield-Cascade
- Highland
- Highland Beach town
- Hillandale
- Hillcrest Heights
- Hillsboro town
- Hughesville
- Huntingtown
- Hurlock town
- Hutton
- Hyattsville
- Ilchester
- Indian Head town
- Indian Springs
- Jarrettsville
- Jefferson
- Jennings
- Jessup
- Jesterville
- Joppatowne
- Jugtown
- Keedysville town
- Kemp Mill
- Kemps Mill
- Kennedyville
- Kensington town
- Kent Narrows
- Kettering
- Kingstown
- Kingsville
- Kitzmiller town
- Klondike
- Konterra
- La Plata town
- La Vale
- Lake Arbor
- Lake Shore
- Landover
- Landover Hills town
- Langley Park
- Lanham
- Lansdowne
- Largo
- Laurel
- Layhill
- Laytonsville town
- Leisure World
- Leitersburg
- Leonardtown town
- Lexington Park
- Libertytown
- Linganore
- Linthicum
- Little Orleans
- Loch Lynn Heights town
- Lochearn
- Lonaconing town
- Long Beach
- Luke town
- Lusby
- Lutherville
- Madison
- Manchester town
- Mapleville
- Mardela Springs town
- Marlboro Meadows
- Marlboro Village
- Marlow Heights
- Marlton
- Martin's Additions village
- Marydel town
- Maryland
- Maugansville
- Mayo
- Mays Chapel
- McCoole
- Mechanicsville
- Melwood
- Mercersville
- Middle River
- Middleburg
- Middletown town
- Midland town
- Midlothian
- Milford Mill
- Millington town
- Mitchellville
- Monrovia
- Montgomery Village
- Morningside town
- Moscow
- Mount Aetna
- Mount Airy town
- Mount Briar
- Mount Lena
- Mount Rainier
- Mount Savage
- Mount Vernon
- Mountain Lake Park town
- Myersville town
- Nanticoke
- Nanticoke Acres
- National
- National Harbor
- Naval Academy
- New Carrollton
- New Market town
- New Windsor town
- Newark
- Nikep
- North Beach town
- North Bethesda
- North Brentwood town
- North Chevy Chase village
- North East town
- North Kensington
- North Laurel
- North Potomac
- Oakland town
- Ocean
- Ocean Pines
- Ocean town
- Odenton
- Oldtown
- Olney
- Overlea
- Owings
- Owings Mills
- Oxford town
- Oxon Hill
- Paramount-Long Meadow
- Parkville
- Parole
- Parsonsburg
- Pasadena
- Pecktonville
- Peppermill Village
- Perry Hall
- Perryman
- Perryville town
- Pikesville
- Pinesburg
- Piney Point
- Pittsville town
- Pleasant Grove
- Pleasant Hills
- Pocomoke
- Point of Rocks
- Pomfret
- Pondsville
- Poolesville town
- Port Deposit town
- Port Tobacco Village town
- Potomac
- Potomac Heights
- Potomac Park
- Powellville
- Preston town
- Prince Frederick
- Princess Anne town
- Pylesville
- Quantico
- Queen Anne
- Queen Anne town
- Queenland
- Queenstown town
- Randallstown
- Rawlings
- Redland
- Reid
- Reisterstown
- Ridgely town
- Ringgold
- Rising Sun town
- Riva
- Riverdale Park town
- Riverside
- Riviera Beach
- Robinwood
- Rock Hall town
- Rock Point
- Rockville
- Rohrersville
- Rosaryville
- Rosedale
- Rosemont village
- Rossville
- Sabillasville
- Salisbury
- San Mar
- Sandy Hook
- Savage
- Scaggsville
- Seabrook
- Seat Pleasant
- Secretary town
- Severn
- Severna Park
- Shady Side
- Shaft
- Sharpsburg town
- Sharptown town
- Silver Hill
- Silver Spring
- Smith Island
- Smithsburg town
- Snow Hill town
- Solomons
- Somerset town
- South Kensington
- South Laurel
- Spencerville
- Spring Gap
- Spring Ridge
- Springdale
- St. George Island
- St. James
- St. Leonard
- St. Michaels town
- Stevensville
- Stockton
- Sudlersville town
- Suitland
- Summerfield
- Swanton
- Sykesville town
- Takoma Park
- Tall Timbers
- Taneytown
- Taylors Island
- Temple Hills
- Templeville town
- Thurmont town
- Tilghman Island
- Tilghmanton
- Timonium
- Tolchester
- Towson
- Trappe town
- Travilah
- Trego-Rohrersville Station
- Tyaskin
- Union Bridge town
- University Park town
- Upper Marlboro town
- Urbana
- Vale Summit
- Vienna town
- Waldorf
- Walker Mill
- Walkersville town
- Washington Grove town
- Waterview
- West Denton
- West Laurel
- West Ocean
- West Pocomoke
- Westernport town
- Westminster
- Westphalia
- Whaleyville
- Wheaton
- White Marsh
- White Oak
- Whitehaven
- Willards town
- Williamsport town
- Williston
- Wilson-Conococheague
- Woodland
- Woodlawn
- Woodlawn
- Woodmore
- Woodsboro town
- Worton
- Yarrowsburg
- Zihlman
More Cities