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
876 - 885 of 885 Company(ies)
OGILVY PUBLIC RELATIONS WORLDWIDE INC. - Washington, DC
Administrative Management and General Management Consulting Services, Marketing Consulting Services, Advertising Agencies, Public Relations Agencies, Media Buying Agencies
(202) 729-4000
1111 19th St Nw 10th Fl Washington, DC 20036
BATES WHITE, LLC - Washington, DC
All Other Professional, Scientific, and Technical Services
(202) 747-1419
1300 I St Nw Ste 600e Washington, DC 20005
SIMON EVERETT LTD. - Washington, DC
Administrative Management and General Management Consulting Services, Marketing Consulting Services, Other Management Consulting Services, Other Scientific and Technical Consulting Services, Research and Development in the Social Sciences and Humanities
(202) 499-5016
1730 Connecticut Ave Nw 2nd Floor Suite B Washington, DC 20009
MENZER, JEFFREY A - Washington, DC
All Other Professional, Scientific, and Technical Services
(202) 683-8124
120 E St Se Washington, DC 20003
INSTITUTE FOR U S LAW - Washington, DC
All Other Legal Services, Research and Development in the Social Sciences and Humanities, All Other Professional, Scientific, and Technical Services, Professional and Management Development Training
(202) 204-3032
1300 Pennsylvania Ave Nw 7th Fl Washington, DC 20004
ECONOMICS INTERNATIONAL INC - Washington, DC
Translation and Interpretation Services, All Other Professional, Scientific, and Technical Services
(301) 283-9558
9416 Friendship Station N W Washington, DC 20016
A BERGER/HILL JOINT VENTURE - Washington, DC
Residential Remodelers, Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Oil and Gas Pipeline and Related Structures Construction
(202) 408-3000
1225 Eye St Nw Ste 601 Washington, DC 20005
GRM INTERNATIONAL LLC - Washington, DC
All Other Professional, Scientific, and Technical Services
1300 Pennsylvania Ave Nw Ste 735 Washington, DC 20004
MILLS JD MD, MARK J - Washington, DC
All Other Professional, Scientific, and Technical Services
4658 Charleston Ter Nw Washington, DC 20007
SurgePoint Global LLC - Washington, DC
Commercial and Institutional Building Construction, Deep Sea Freight Transportation, General Freight Trucking, Long-Distance, Truckload, Marine Cargo Handling, Other Support Activities for Road Transportation
2029 13th Street Nw Washington, DC 20009
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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