Government Contractors in Washington, DC
Results for NAICS 561990 - All Other Support Services
101 - 125 of 186 Company(ies)
THE GUNN GROUP - Washington, DC
Business, Military, Consulting
(202) 518-9852
2801 18th St Nw Washington, DC 20009
Dawson Technical, LLC - Washington, DC
Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Roofing Contractors
(202) 756-0178
1101 Pennsylvania Ave Nw Ste 600 Washington, DC 20004
CAMPBELL AND COMPANY DC - Washington, DC
Marketing Consulting Services, Other Management Consulting Services, Advertising Agencies, Public Relations Agencies, Convention and Trade Show Organizers
(202) 562-9025
17 Mississippi Ave Se Washington, DC 20032
SUSTAINABLE DESIGN CONSULTING, LLC - Washington, DC
Nonresidential Property Managers, Other Activities Related to Real Estate, Architectural Services, Landscape Architectural Services, Engineering Services
804-644-3880 x1104
1611 Connecticut Ave Nw Ste 200 Washington, DC 20009
AL'S OFFICE PRODUCTS, LLC - Washington, DC
Furniture Merchant Wholesalers, Stationery and Office Supplies Merchant Wholesalers, Window Treatment Stores, Mail-Order Houses, Used Household and Office Goods Moving
(202) 526-0586
717 Kearney St Ne Washington, DC 20017
WADSWORTH STEELE AUCTIONS, INC. - Washington, DC
All Other Support Services
(202) 973-2802
2300 M Street Nw Ste 800 Washington, DC 20037
EBERT & BAUMANN CONSULTING ENGINEERS, INC. - Washington, DC
Energy, Audit, Management, LEED, MEP, Engineering, HVAC, Commissioning, Sustainable, Building, Operation, Facilities, Diagnostic, Simulations, CFD, Modeling, Acoustic
(202) 446-6659
734 15th St Nw Ste 1000 Washington, DC 20005
FURTHERMORE LLC - Washington, DC
All Other Support Services, Photofinishing Laboratories (except One-Hour)
(202) 330-1219
52 O St Nw Washington, DC 20001
SUPRETECH, INC. - Washington, DC
Computer and Computer Peripheral Equipment and Software Merchant Wholesalers, Custom Computer Programming Services, Computer Systems Design Services, Computer Facilities Management Services, Other Computer Related Services
(202) 726-7200
930 Kennedy Street, Nw, Suite 350 Washington, DC 20011
CTI GLOBAL SOLUTIONS INC. - Washington, DC
Data Processing, Hosting, and Related Services, All Other Information Services, Engineering Services, Custom Computer Programming Services, Computer Facilities Management Services
(202) 204-3045
1050 17th St Nw Ste 603 Washington, DC 20036
NV SYSTEMS INC - Washington, DC
Engineering Services, Custom Computer Programming Services, Computer Systems Design Services, Computer Facilities Management Services, Administrative Management and General Management Consulting Services
(240) 462-2256
403 Allison St Nw Washington, DC 20011
Accel e-Media - Washington, DC
Research and Development , Service
online learning, training, development, curriculum, research, surveys, irb reviews
1050 Connecticut Ave Nw Washington, DC 20036
VISIO CONSULTING LLC - Washington, DC
Data Processing, Hosting, and Related Services, Financial Transactions Processing, Reserve, and Clearinghouse Activities, Offices of Certified Public Accountants, Computer Systems Design Services, Administrative Management and General Management Consulting Services
(571) 291-5860
1620 Foxhall Rd Nw Washington, DC 20007
SAVASANA INCORPORATED - Washington, DC
All Other Health and Personal Care Stores, All Other Information Services, All Other Support Services, Educational Support Services, Other Personal Care Services
(202) 285-3222
2721 O St Nw Washington, DC 20007
ADAMS ADMINISTRATIVE SOLUTIONS, L.L.C - Washington, DC
Administrative Management and General Management Consulting Services, Office Administrative Services, All Other Support Services
(202) 322-1791
3221 Wheeler Rd Se Ste 305 Washington, DC 20032
CAPITOL CONSORTIUM LLC - Washington, DC
Periodical Publishers, Book Publishers, Directory and Mailing List Publishers, Greeting Card Publishers, All Other Publishers
(301) 938-8528
1522 Rhode Island Av Ne Washington, DC 20018
LONGEVITI - Washington, DC
General Warehousing and Storage, Other Warehousing and Storage, Engineering Services, Custom Computer Programming Services, Computer Systems Design Services
(703) 409-6003
717 D Street Nw Ste 300 Washington, DC 20004
ALLEN-NORRIS PERMITTING AND INSPECTIONS, LLC - Washington, DC
Commercial and Institutional Building Construction, Other Heavy and Civil Engineering Construction, Architectural Services, Engineering Services, Building Inspection Services
(410) 322-0809
107 R St Ne Washington, DC 20002
ORVOS COMMUNICATIONS LLC - Washington, DC
All Other Information Services, Marketing Consulting Services, All Other Professional, Scientific, and Technical Services, Document Preparation Services, All Other Support Services
(202) 262-4186
2801 New Mexico Ave Nw Apt 608 Washington, DC 20007
BRIAR PATCH SHREDDING & RECYCLING, LLC - Washington, DC
Other Warehousing and Storage, Data Processing, Hosting, and Related Services, Administrative Management and General Management Consulting Services, Document Preparation Services, All Other Support Services
(202) 686-2611
5335 Wisconsin Ave Nw Ste 440 Washington, DC 20015
BIO-ONE DC - Washington, DC
Other Services to Buildings and Dwellings, All Other Support Services, Hazardous Waste Collection, Hazardous Waste Treatment and Disposal, Remediation Services
(202) 253-5614
1424 Half St Sw Washington, DC 20024
OSISIS GROUP LLC - Washington, DC
Payroll Services, Other Accounting Services, Other Services Related to Advertising, Office Administrative Services, Facilities Support Services
(202) 509-9558
1155 F St Nw Ste 1050 Washington, DC 20004
500 INCORPORATED - Washington, DC
Administrative Management and General Management Consulting Services, Marketing Consulting Services, Process, Physical Distribution, and Logistics Consulting Services, Other Management Consulting Services, Other Scientific and Technical Consulting Services
(844) 500-1915
1725 E St Ne Washington, DC 20002
PROTEGRISYS LLC - Washington, DC
Electrical Contractors, General Warehousing and Storage, Other Warehousing and Storage, Data Processing, Hosting, and Related Services, All Other Information Services
(703) 835-1800
840 First St Ne Ste 300 Washington, DC 20002
ROBIN SERVICES - Washington, DC
All Other Support Services
(202) 562-2013
611 Raleigh Pl Se Fl 1 Washington, DC 20032
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