Washington, DC Government Contractors > By Category > NAICS 541990 - All Other Professional, Scientific, and Technical Services
Government Contractors in Washington, DC
Results for NAICS 541990 - All Other Professional, Scientific, and Technical Services
826 - 850 of 885 Company(ies)
SKLOVER, PHILIP B - Washington, DC
All Other Professional, Scientific, and Technical Services
(202) 364-0786
4504 Albermarle St Nw Washington, DC 20016
LISSFELT, SARAH - Washington, DC
All Other Professional, Scientific, and Technical Services
(202) 265-1691
2111 Wisconsin Avenue, Nw, Ste. 309 Washington, DC 20007
Alliance for Biking and Walking, Inc - Washington, DC
All Other Professional, Scientific, and Technical Services
(202) 445-4415
1612 K St Nw No 802 Washington, DC 20006
OLGA LIEFERT - Washington, DC
All Other Professional, Scientific, and Technical Services
(703) 459-0299
4740 Connect Ct Ave Nw #407 Washington, DC 20008
IDP AMERICAS LLC - Washington, DC
All Other Professional, Scientific, and Technical Services
202-293-0100 x1
1899 L St Nw Lbby 2 Washington, DC 20036
BOWERS, S JENNIFER - Washington, DC
All Other Professional, Scientific, and Technical Services, Professional and Management Development Training, Exam Preparation and Tutoring
(202) 338-5186
4103 Davis Place Nw 3 Washington, DC 20007
LIFELINKMD, INC. - Washington, DC
All Other Professional, Scientific, and Technical Services
202-955-0000 x5518
1717 Pensulvayna Nw Ste 850 Washington, DC 20006
MUENS, BOB - Washington, DC
All Other Professional, Scientific, and Technical Services
(202) 408-1240
1312 Massachusetts Ave Nw 809 Washington, DC 20005
ABM LLC - Washington, DC
All Other Professional, Scientific, and Technical Services
(202) 253-8995
2825 N Hampton St Nw Washington, DC 20015
DEMANGE, DANA C - Washington, DC
All Other Professional, Scientific, and Technical Services
(202) 667-5225
2125 S St Nw #5 Washington, DC 20008
MOTAYED ABHISHEK - Washington, DC
All Other Professional, Scientific, and Technical Services
(202) 232-2084
654 Girard St, N.w Apt #214 Washington, DC 20001
BELTWAY CLEANING SERVICE LLC - Washington, DC
All Other Professional, Scientific, and Technical Services
(301) 452-6672
2141 I Street, Nw Ste #416 Washington, DC 20037
SKDKNICKERBOCKER LLC - Washington, DC
All Other Professional, Scientific, and Technical Services
(202) 464-6910
1818 N Street Nw Ste 450 Washington, DC 20036
BARKER, CATHERINE - Washington, DC
All Other Professional, Scientific, and Technical Services
(443) 538-7566
4301 Massachusetts Ave Nw 4008 Washington, DC 20016
VINTAGE CONSULT INTERNATIONAL - Washington, DC
Limousine Service, Special Needs Transportation, Administrative Management and General Management Consulting Services, Marketing Consulting Services, Process, Physical Distribution, and Logistics Consulting Services
(202) 969-6340
2400 N St Nwsuite 711 Washington, DC 20037
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
HNTB CORPORATION - Washington, DC
Architectural Services, Landscape Architectural Services, Engineering Services, All Other Professional, Scientific, and Technical Services
(816) 527-2630
1615 M St Nw Ste 700 Washington, DC 20036
CONSORTIUM MANAGEMENT GROUP, INC. - Washington, DC
Biological Product (except Diagnostic) Manufacturing, All Other Professional, Scientific, and Technical Services
(202) 466-4210
1025 Connecticut Ave Nw Ste 904 Washington, DC 20036
CROWN AGENTS USA INC. - Washington, DC
Administrative Management and General Management Consulting Services, Process, Physical Distribution, and Logistics Consulting Services, Other Management Consulting Services, Environmental Consulting Services, Other Scientific and Technical Consulting Services
(202) 822-8052
1129 20th St Nw Ste 500 Washington, DC 20036
NATIONAL OSTEOPOROSIS FOUNDATION, THE - Washington, DC
All Other Professional, Scientific, and Technical Services
(202) 223-2226
1150 17th St Nw Ste 850 Washington, DC 20036
DCMC, LLC - Washington, DC
Administrative Management and General Management Consulting Services, Other Management Consulting Services, All Other Professional, Scientific, and Technical Services
(571) 233-3137
1919 M St Nw Ste 200 Washington, DC 20036
NATIONAL DIGITAL ENGINEERING AND MANUFACTURING CONSORTIUM - Washington, DC
All Other Professional, Scientific, and Technical Services
(202) 969-3404
1500 K St Nw Ste 850 Washington, DC 20005
CAMPANA, MICHAEL G - Washington, DC
All Other Professional, Scientific, and Technical Services
(425) 786-5653
2322 41st St Nw, #102 Washington, DC 20007
TRANSNATIONAL CRISIS PROJECT - Washington, DC
All Other Professional, Scientific, and Technical Services
(202) 280-2009
1455 Pennsylvania Ave Nw Fl 4 Washington, DC 20004
CHILDRENS ENVIRONMENTAL HEALTH NETWORK - Washington, DC
All Other Professional, Scientific, and Technical Services
(202) 543-4033
110 Maryland Ave Ne Ste 505 Washington, DC 20002
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
- 541 - Professional, Scientific, and Technical Services
- 541110 - Offices of Lawyers
- 541120 - Offices of Notaries
- 541191 - Title Abstract and Settlement Offices
- 541199 - All Other Legal Services
- 541211 - Offices of Certified Public Accountants
- 541213 - Tax Preparation Services
- 541214 - Payroll Services
- 541219 - Other Accounting Services
- 541310 - Architectural Services
- 541320 - Landscape Architectural Services
- 541330 - Engineering Services
- 541340 - Drafting Services
- 541350 - Building Inspection Services
- 541360 - Geophysical Surveying and Mapping Services
- 541370 - Surveying and Mapping (except Geophysical) Services
- 541380 - Testing Laboratories
- 541410 - Interior Design Services
- 541420 - Industrial Design Services
- 541430 - Graphic Design Services
- 541490 - Other Specialized Design Services
- 541511 - Custom Computer Programming Services
- 541512 - Computer Systems Design Services
- 541513 - Computer Facilities Management Services
- 541519 - Other Computer Related Services
- 541611 - Administrative Management and General Management Consulting Services
- 541612 - Human Resources and Executive Search Consulting Services
- 541613 - Marketing Consulting Services
- 541614 - Process, Physical Distribution, and Logistics Consulting Services
- 541618 - Other Management Consulting Services
- 541620 - Environmental Consulting Services
- 541690 - Other Scientific and Technical Consulting Services
- 541710 - Research and Development in the Physical, Engineering, and Life Sciences
- 541720 - Research and Development in the Social Sciences and Humanities
- 541810 - Advertising Agencies
- 541820 - Public Relations Agencies
- 541830 - Media Buying Agencies
- 541840 - Media Representatives
- 541850 - Display Advertising
- 541860 - Direct Mail Advertising
- 541870 - Advertising Material Distribution Services
- 541890 - Other Services Related to Advertising
- 541910 - Marketing Research and Public Opinion Polling
- 541921 - Photography Studios, Portrait
- 541922 - Commercial Photography
- 541930 - Translation and Interpretation Services
- 541940 - Veterinary Services
- 541990 - All Other Professional, Scientific, and Technical 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
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