Government Contractors in Maryland
Results for NAICS 221320 - Sewage Treatment Facilities
51 - 75 of 109 Company(ies)
SLOAN SEPTIC & PUMPING - Lonaconing, Maryland
Sewage Treatment Facilities
(301) 463-5665
20600 Water Station Run Rd Lonaconing, MD 21539
HENNCO - Phoenix, Maryland
Support Activities for Oil and Gas Operations, Water Supply and Irrigation Systems, Sewage Treatment Facilities, Steam and Air-Conditioning Supply, New Single-Family Housing Construction (except Operative Builders)
(410) 891-8047
14 Misty Hollow Ct Phoenix, MD 21131
ENGINEERING RESOURCE & INFORMATION CENTERS INC - Middletown, Maryland
Fossil Fuel Electric Power Generation, Water Supply and Irrigation Systems, Sewage Treatment Facilities, Engineering Services, Custom Computer Programming Services
(301) 676-2353
7109 Mountain Church Rd Middletown, MD 21769
DIAMOND ENVIRONMENTAL SERVICES LLC - Glen Burnie, Maryland
Sewage Treatment Facilities
(410) 350-7000
508 Glenbrook Rd Glen Burnie, MD 21061
WHEL TECH INC - Baltimore, Maryland
Water Supply and Irrigation Systems, Sewage Treatment Facilities, Pump and Pumping Equipment Manufacturing, Other Communications Equipment Manufacturing, Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial
(410) 744-5308
2 Forest Dr Baltimore, MD 21228
HORIZON CONCRETE CONSTRUCTION LLC - Hagerstown, Maryland
Water Supply and Irrigation Systems, Sewage Treatment Facilities, Industrial Building Construction, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction
(301) 797-7668
10410 Bailey Rd Hagerstown, MD 21742
MERIDIAN VENTURES INC - Waldorf, Maryland
Construction Sand and Gravel Mining, Hydroelectric Power Generation, Fossil Fuel Electric Power Generation, Nuclear Electric Power Generation, Other Electric Power Generation
(301) 843-0655
3261 Old Washington Rd Ste 1040 Waldorf, MD 20602
SWORD'S INC - Hagerstown, Maryland
Sewage Treatment Facilities, Water and Sewer Line and Related Structures Construction, Plumbing, Heating, and Air-Conditioning Contractors, All Other Specialty Trade Contractors, Environmental Consulting Services
(301) 695-1750
101 N Cannon Ave Hagerstown, MD 21740
PINNACLE EXCAVATING, INC. - Bel Air, Maryland
Electric Power Distribution, Water Supply and Irrigation Systems, Sewage Treatment Facilities, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction
(410) 688-6926
1933 Cypress Dr Bel Air, MD 21015
JOSHUA CONSTRUCTION, INC. - Gaithersburg, Maryland
Sewage Treatment Facilities, Steam and Air-Conditioning Supply, Water and Sewer Line and Related Structures Construction, Plumbing, Heating, and Air-Conditioning Contractors
(301) 948-6798
13-15 East Deer Park Dr Ste 200 Gaithersburg, MD 20877
CONCORD PRODUCTS - Kensington, Maryland
Water Supply and Irrigation Systems, Sewage Treatment Facilities, Water and Sewer Line and Related Structures Construction, Engineering Services, Drafting Services
(301) 399-9822
10605 Concord St Ste 307 Kensington, MD 20895
GAREY CONSTRUCTION, INC. - Derwood, Maryland
Hydroelectric Power Generation, Fossil Fuel Electric Power Generation, Nuclear Electric Power Generation, Other Electric Power Generation, Electric Bulk Power Transmission and Control
(407) 925-3159
6913 Cynthia Lane Derwood, MD 20855
J.L.W. ASSOCIATES, INC. - Leonardtown, Maryland
Water Supply and Irrigation Systems, Sewage Treatment Facilities, Water and Sewer Line and Related Structures Construction, Other Heavy and Civil Engineering Construction
(301) 475-5747
23464 Hollywood Rd Leonardtown, MD 20650
MICONI, TRISHA - Baltimore, Maryland
Hydroelectric Power Generation, Fossil Fuel Electric Power Generation, Sewage Treatment Facilities, Steam and Air-Conditioning Supply, Oil and Gas Pipeline and Related Structures Construction
(443) 610-3926
12 Misty Meadows Ct Baltimore, MD 21221
HONEY BADGER SUPPLY & EQUIPMENT LLC - Forest Hill, Maryland
Other Crushed and Broken Stone Mining and Quarrying, Construction Sand and Gravel Mining, Sewage Treatment Facilities, Industrial Building Construction, Commercial and Institutional Building Construction
(443) 858-2760
1701 Samantha Dr. Forest Hill, MD 21050
Tidewater CCEJV - Elkridge, Maryland
Sewage Treatment Facilities, Commercial and Institutional Building Construction, Other Heavy and Civil Engineering Construction, Site Preparation Contractors
(410) 997-4458
6625 Selnick Dr Ste A Elkridge, MD 21075
SITE SPECIALISTS, INC. - Churchville, Maryland
Electric Power Distribution, Natural Gas Distribution, Water Supply and Irrigation Systems, Sewage Treatment Facilities, Steam and Air-Conditioning Supply
(443) 604-9822
260 Hopewell Rd Churchville, MD 21028
B & G Developmental Services - Landover, Maryland
Water Supply and Irrigation Systems, Sewage Treatment Facilities, Steam and Air-Conditioning Supply, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders)
(301) 379-2619
1113 Ivy Club Ln Apt 742 Landover, MD 20785
MAITH'S TRUCKING, LLC - Upper Marlboro, Maryland
Crushed and Broken Limestone Mining and Quarrying, Crushed and Broken Granite Mining and Quarrying, Other Crushed and Broken Stone Mining and Quarrying, Construction Sand and Gravel Mining, Industrial Sand Mining
(240) 432-3730
2405 Baikal Loop Upper Marlboro, MD 20774
BUSY DITCH, INC. - Gaithersburg, Maryland
Water Supply and Irrigation Systems, Sewage Treatment Facilities, Water and Sewer Line and Related Structures Construction, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction
301-948-6773 x2
7840 Cessna Ave Ste C Gaithersburg, MD 20879
BRYANT PROPITIOUS GROUP LLC, THE - Fort Washington, Maryland
Construction Sand and Gravel Mining, Industrial Sand Mining, Support Activities for Nonmetallic Minerals (except Fuels) Mining, Sewage Treatment Facilities, New Single-Family Housing Construction (except Operative Builders)
(240) 346-0163
2311 Rosecroft Blvd Fort Washington, MD 20744
STRATEGIC INTERNATIONAL ALLIANCE GROUP INC - Greenbelt, Maryland
Drilling Oil and Gas Wells, Support Activities for Oil and Gas Operations, Support Activities for Coal Mining, Support Activities for Metal Mining, Support Activities for Nonmetallic Minerals (except Fuels) Mining
(240) 286-6150
9111 Edmonston Rd Ste 100 Greenbelt, MD 20770
DSM PROPERTIES, LLC - Randallstown, Maryland
Water Supply and Irrigation Systems, Sewage Treatment Facilities, Steam and Air-Conditioning Supply, New Single-Family Housing Construction (except Operative Builders), New Multifamily Housing Construction (except Operative Builders)
(410) 496-0398
4312 Windy Hill Rd Randallstown, MD 21133
BENJER INC - White Marsh, Maryland
Sewage Treatment Facilities, Site Preparation Contractors, Specialized Freight (except Used Goods) Trucking, Local, Solid Waste Collection
410-335-2267 x104
11106 Red Lion Rd White Marsh, MD 21162
ENERGYWORKS NORTH AMERICA, L.L.C. - Annapolis, Maryland
Support Activities for Forestry, Other Electric Power Generation, Sewage Treatment Facilities
410-369-2001 x111
71 Old Mill Bottom Rd N Ste 101 Annapolis, MD 21409
Certifications
Ownership / Diversity
Business Type
NAICS Code
- 11 - Agriculture & Livestock
- 21 - Mining, Oil & Gas
- 22 - Utilities
- 221 - Utilities
- 221111 - Hydroelectric Power Generation
- 221112 - Fossil Fuel Electric Power Generation
- 221113 - Nuclear Electric Power Generation
- 221119 - Other Electric Power Generation
- 221121 - Electric Bulk Power Transmission and Control
- 221122 - Electric Power Distribution
- 221210 - Natural Gas Distribution
- 221310 - Water Supply and Irrigation Systems
- 221320 - Sewage Treatment Facilities
- 221330 - Steam and Air-Conditioning Supply
- 23 - Construction
- 31 - Food & Apparel
- 32 - Non-Metallic Manufacturing
- 33 - Metallic Manufacturing
- 42 - Wholesale Trade
- 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
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