Washington, DC Government Contractors > By Category > NAICS 541 - Professional, Scientific, and Technical Services
Government Contractors in Washington, DC
Results for NAICS 541 - Professional, Scientific, and Technical Services
1,951 - 1,975 of 6,078 Company(ies)
STEPHANIE JONES STRATEGIES, LLC - Washington, DC
Strategic Planning, Public Relations, Communications, Writing, Editing, Policy, Government Relations
(202) 241-1900
701 E Street Ne Washington, DC 20002
ALARIS, INC. - Washington, DC
Administrative
(240) 643-8048
1140 23rd Street, Nw #307 Washington, DC 20037
Shannon Keller O'Loughlin, Esq - Washington, DC
Legal Services, federal Indian law, Native American
(202) 907-4448
601 Pennsylvania Ave Nw Ste 900 South Bldg Washington, DC 20004
ASILIA INC - Washington, DC
Software, programming, design, systems, technology, data, databases, processing
(202) 607-4133
812 D Street, Ne Washington, DC 20002
JASPER VENTURES, LLC - Washington, DC
Technology, Management, Consulting, Solutions, Engineering, Information, Analytics, Research, Software, Operating Systems, Communications, IT, Security, Development, Operations, Networks, Network, Training
(202) 374-5805
1301 K St Nw Ste 103 Mailbox 22 Washington, DC 20005
MSB & ASSOCIATES, LLC - Washington, DC
technology, iso, itil, project management, information security, IT, consulting, veteran, disabled veteran, hub zone, Construction, framing, carpentry, electrical, roofing, flooring, residential, commercial, industrial, trade, dry wall, plumbing, heating,
(703) 231-6416
2025 E St Ne Unit 4 Washington, DC 20002
R & N ASSOCIATES REFUND OVERCHARGE CONSULTANTS - Washington, DC
Refund, Overcharges, PBX
(202) 351-9837
1101 Mccollough Ct Nw 101 Washington, DC 20001
INTERWELTRON - Washington, DC
IT & Healthcare.
(301) 526-7600
1200 G St, Nw Ste 800 Washington, DC 20005
ARTIFEX CONSULTING, LLC - Washington, DC
Writing Services, Social Media, Public Speaking, Communications, Event Planning, Event Management, Media Training, Marketing
(202) 248-3385
4116 Ilinois Ave Nw Washington, DC 20011
Maga Design Group, Inc. - Washington, DC
maps, infographics
(202) 460-0960
1838 Columbia Road Nw Washington, DC 20009
NATIONAL BAR ASSOCIATION INC - Washington, DC
NATIONAL BAR ASSOCIATION
(202) 842-3900
1225 11th St Nw Washington, DC 20001
IVES, DONNA M - Washington, DC
DMICONSULTING
(202) 669-5188
4616 Laverock Pl Nw Washington, DC 20007
CHANDLER, RAYMOND - Washington, DC
CHANDLER, RAYMOND
(202) 529-5998
1013 Bryant St Ne Washington, DC 20018
POCCUO INC - Washington, DC
web design, website design, graphic design, interactive design, flash, php, css, jquery, expressionengine, html
(202) 657-4470
1724 20th St Nw Ste 303 Washington, DC 20009
Synergy Software Design, Llc - Washington, DC
Application, Development, Flex, HTML5, Web, .NET, Desktop, ESRI, Custom, Mapping, ArcGIS, GIS, 3D, CAD, Engineering, Graphic, Design, SketchUp, Oracle, APEX, Portal, PL/SQL, Program, Project, Management
(410) 917-1119
710 L St Se Washington, DC 20003
WOLFEREITER, LLC - Washington, DC
CONTENT MANAGEMENT, KNOWLEDGE, DATABASE, PROGRAMMING, APPLICATIONS, CUSTOM, WEB, WINDOWS, LINUX, MICROSOFT, HUBZONE, DESIGN, DEVELOPMENT, TESTING, INTEGRATION, USABILITY, 508, AUDIT, COMPLIANCE, SERVICES
(202) 468-2752
941 O Street Nw Washington, DC 20001
SCOTT W MORGAN - Washington, DC
media training, speech coaching, speaking training, presentation trainer, public speaking
(202) 669-0611
2236 Q St Nw Washington, DC 20008
FLETCHER DESIGN, INC. - Washington, DC
graphic design
(202) 667-3885
1627 Connecticut Ave Ste 5 Washington, DC 20009
NORTH AMERICA TELECOMMUCATIONS - Washington, DC
Facilities Mgmt, Construction, Logistics
301-220-1818 x103
3705 Benning Rd Ne Washington, DC 20019
EISENSTEIN MALANCHUK LLP - Washington, DC
541110, 541990, 524298, Insurance Recovery, Long Tail Claims, Environmental, Asbestos, Products
202-965-4700 x118
1048 Potomac St Nw Washington, DC 20007
ASERO WORLDWIDE INC. - Washington, DC
homeland security, security, security consulting, security training, vulnerability, assessment, risk mitigation, emergency, preparedness, crisis communication, disaster response, infrastructure, critical assessment, emergency response
(202) 478-3685
700 12th St Nw Ste 800 Washington, DC 20005
Hager Strategic, Inc. - Washington, DC
Search consultant, benefits admin, HR admin, payroll admin
202-429-6629 x100
1320 19th St Nw Ste 700 Washington, DC 20036
DONELAN, CLARE - Washington, DC
OFFICE OF CLARE R DONELAN
(202) 744-8989
908 Westminster St Nw Washington, DC 20001
MANAGEMENT SYSTEMS GROUP LLC - Washington, DC
MANAGEMENT SYSTEMS GROUP LLC
(202) 553-5181
1629 K St Nw, Suite 300 Washington, DC 20006
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
CITY