Government Contractors in Maryland
Results for NAICS 561611 - Investigation Services
676 - 681 of 681 Company(ies)
GWYN, KEITH M - Frederick, Maryland
Investigation Services
2655 Monocacy Ford Rd Frederick, MD 21701
Collision Analysis & Reconstruction - Olney, Maryland
Other Scientific and Technical Consulting Services, Investigation Services, Educational Support Services, Courts
18160 Rolling Meadow Way Olney, MD 20832
DHSILLC - Mount Airy, Maryland
Electrical Contractors, Computer Systems Design Services, Investigation Services
13960 Prospect Rd Mount Airy, MD 21771
Black Armor Security & Protection Division, Inc. - Ellicott City, Maryland
Investigation Services, Security Guards and Patrol Services, Armored Car Services
3273 Pine Orchard Ln Ste F Ellicott City, MD 21042
GUY W. RHODES - Davidsonville, Maryland
Investigation Services
3542 Foxhall Dr Davidsonville, MD 21035
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
- 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
- 561 - Administrative and Support Services
- 561110 - Office Administrative Services
- 561210 - Facilities Support Services
- 561310 - Employment Placement Agencies
- 561320 - Temporary Help Services
- 561330 - Professional Employer Organizations
- 561410 - Document Preparation Services
- 561421 - Telephone Answering Services
- 561422 - Telemarketing Bureaus
- 561431 - Private Mail Centers
- 561439 - Other Business Service Centers (including Copy Shops)
- 561440 - Collection Agencies
- 561450 - Credit Bureaus
- 561491 - Repossession Services
- 561492 - Court Reporting and Stenotype Services
- 561499 - All Other Business Support Services
- 561510 - Travel Agencies
- 561520 - Tour Operators
- 561591 - Convention and Visitors Bureaus
- 561599 - All Other Travel Arrangement and Reservation Services
- 561611 - Investigation Services
- 561612 - Security Guards and Patrol Services
- 561613 - Armored Car Services
- 561621 - Security Systems Services (except Locksmiths)
- 561622 - Locksmiths
- 561710 - Exterminating and Pest Control Services
- 561720 - Janitorial Services
- 561730 - Landscaping Services
- 561740 - Carpet and Upholstery Cleaning Services
- 561790 - Other Services to Buildings and Dwellings
- 561910 - Packaging and Labeling Services
- 561920 - Convention and Trade Show Organizers
- 561990 - All Other Support Services
- 562 - Waste Management and Remediation Services
- 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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