Washington, DC Government Contractors > By Category > NAICS 561 - Administrative and Support Services
Government Contractors in Washington, DC
Results for NAICS 561 - Administrative and Support Services
1,676 - 1,700 of 1,743 Company(ies)
DELOITTE FINANCIAL ADVISORY SERVICES LLP - Washington, DC
Commercial and Institutional Building Construction, Data Processing, Hosting, and Related Services, Investment Advice, Offices of Lawyers, All Other Legal Services
(571) 858-0176
555 12th St Nw Ste 500 Washington, DC 20004
ANCHOR MENTAL HEALTH ASSOCIATION, INC - Washington, DC
Office Administrative Services, Private Mail Centers, Janitorial Services, Outpatient Mental Health and Substance Abuse Centers
(202) 772-4347
1001 Lawrence St Ne Washington, DC 20017
FERRY, MATTHEW F - Washington, DC
Office Administrative Services, Museums
(202) 633-3279
2523 North Capitol St Ne Washington, DC 20002
LEXISNEXIS SPECIAL SERVICES INC. - Washington, DC
Software Publishers, Data Processing, Hosting, and Related Services, Custom Computer Programming Services, Other Computer Related Services, Credit Bureaus
(202) 378-1744
1150 18th St Nw Ste 250 Washington, DC 20036
CH2M HILL, INC. - Washington, DC
Natural Gas Distribution, Water Supply and Irrigation Systems, Sewage Treatment Facilities, Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction
(720) 286-2586
901 New York Ave Nw Ste 4000 Washington, DC 20001
FUEL CELL SEMINAR, THE - Washington, DC
Convention and Trade Show Organizers
(803) 705-8915
2025 M St Nw Ste 800 Washington, DC 20036
ACTION TRAINING INSTITUTE - Washington, DC
Investigation Services
(301) 332-3141
3005 Oregon Knolls Drive Nw Washington, DC 20015
STONECIPHER, DUSTIN T - Washington, DC
Office Administrative Services, Administration of Education Programs
(210) 621-7573
440 K St Nw Washington, DC 20001
LEWIS, ALLISON LYNN - Washington, DC
All Other Business Support Services
(336) 692-2913
425 L St Nw Apt 615 Washington, DC 20001
PARKING MANAGEMENT, INC. - Washington, DC
All Other Support Services
(202) 785-9191
1725 Desales St Nw Ste 200 Washington, DC 20036
LIGHTSPEED, LLC - Washington, DC
Data Processing, Hosting, and Related Services, Other Business Service Centers (including Copy Shops)
(202) 464-3200
1325 G St Nw Ste 780 Washington, DC 20005
INDYNE, INC. - Washington, DC
Electrical Contractors, Teleproduction and Other Postproduction Services, Wired Telecommunications Carriers, Engineering Services, Custom Computer Programming Services
(703) 903-6900
400 Virginia Ave Sw Ste 350 Washington, DC 20024
DC SOFITEL, LLC - Washington, DC
Office Administrative Services
(202) 730-8444
806 15th St Nw Washington, DC 20005
DENNIS E DUTCH - Washington, DC
Investigation Services
(443) 745-6020
241 16th St Se Washington, DC 20003
ZIMMERMAN ASSOCIATES, INC. - Washington, DC
Other Warehousing and Storage, All Other Publishers, Wired Telecommunications Carriers, Data Processing, Hosting, and Related Services, Libraries and Archives
(703) 883-0506
1201 M St Se Ste 260 Washington, DC 20003
LIVABLE CITY GROUP - Washington, DC
Architectural Services, Landscape Architectural Services, Administrative Management and General Management Consulting Services, Environmental Consulting Services, All Other Professional, Scientific, and Technical Services
(202) 222-8710
1512 Monroe St Nw Washington, DC 20010
MAIN STREET GENOME, INC. - Washington, DC
Business to Business Electronic Markets, Software Publishers, Other Scientific and Technical Consulting Services, All Other Professional, Scientific, and Technical Services, All Other Business Support Services
(828) 545-0810
1627 K St Nw Ste 600 Washington, DC 20006
SPECIAL INVESTIGATIONS WASHINGTON DC L.L.C. - Washington, DC
Investigation Services
(301) 424-6979
1316 Florida Ave Ne Washington, DC 20002
SHELBY DUNN REFERRAL SERVICES - Washington, DC
Janitorial Services, Carpet and Upholstery Cleaning Services
1627 R St Washington, DC 20020
PARSONS GOVERNMENT SERVICES INC. - Washington, DC
Water Supply and Irrigation Systems, Commercial and Institutional Building Construction, Engineering Services, Drafting Services, Building Inspection Services
(626) 440-6176
100 M St # 1200 Washington, DC 20003
SCHWARTZSTEIN, CATHERINE G. - Washington, DC
Document Preparation Services
(202) 492-8200
3001 Veazey Terr Nw # 1108 Washington, DC 20008
RUBINSTEIN, JAMES D - Washington, DC
Administrative Management and General Management Consulting Services, Other Management Consulting Services, All Other Support Services
(202) 359-3096
511 3rd St Ne Washington, DC 20002
SUROWY, JOHN - Washington, DC
Court Reporting and Stenotype Services
(202) 469-3481
1629 K St Ste 300 Washington, DC 20006
HDR ENGINEERING INC. - Washington, DC
Commercial and Institutional Building Construction, Highway, Street, and Bridge Construction, Plumbing, Heating, and Air-Conditioning Contractors, All Other Specialty Trade Contractors, Architectural Services
(402) 399-1457
100 M Street Se Ste 305 Washington, DC 20003
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
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