NAICS 541990 · District of Columbia

Certified Women-Owned All Other Professional, Scientific, and Technical Services in District of Columbia

33 certified women-owned vendors in District of Columbia under NAICS 541990 (All Other Professional, Scientific, and Technical Services), each with an active WOSB or EDWOSB certification reported from the U.S. SBA Small Business Search.

33 certified vendors · ranked by certification recency & profile depth

02SHAKE LLC

Marketing, Advertising & PR · Washington, District of Columbia
WOSBEDWOSB

SHAKE LLC is a CBE, WOSB, EDWOSB-certified boutique marketing, communications, and media production firm. SHAKE offers a deep background and significant experience in marketing, communications, public relations, and video production and distribution. Services include strategic planning, research and writing, motion picture and sound production, video and sound postproduction, photography, graphic arts, website design, development, and management, media relations, executive communications, and educational training. Our mission is to support Federal, Municipal, and Commercial agencies in clarifying their purpose and forging strong relationships with their audience and constituents.

03MOORE CONSULTING LLC

IT & Software Services · Washington, District of Columbia
WOSBEDWOSB

We transform data into actionable insights to inform policy, measure impact, and perform health services research. By leveraging cutting edge analytics, and strategic engagement and understanding of community dynamics, we enhance patient care, make informed decisions, and develop effective health policies. We excel in implementing data-driven strategies to improve community health outcomes, ensuring that our clients can address health disparities and promote equity in healthcare. Our extensive experience working across the health care sector with government agencies, carriers, providers, nonprofits, and patients, uniquely positions us to understand and address the complex, multifaceted challenges in healthcare. We develop effective, tailored, sustainable, and scalable solutions that are holistic, integrated, and economically viable by leveraging insights from each stakeholder group, designing strategies that align with the needs and goals of the entire healthcare ecosystem.

04HEALTH RESOURCES SOLUTIONS LLC

Professional & Management Consulting · Washington, District of Columbia
WOSBVOSB

Health Resources Solutions is a boutique veteran-owned management consulting firm helping public and private organizations perform at their highest potential since 2001. We combine organizational psychology with an evidence-based lens to deliver solutions that are practical, measurable, and built to last. Our signature RICH™ Leadership Framework — Ready to transform, Inspired to act, Creating inclusive cultures, and Honoring each person's journey- guides every engagement. Our services span organizational development, leadership development, executive coaching, executive search, performance management, management consulting, and training — tailored to clients across government, health, education, philanthropy, and technology. We don't just deliver recommendations. We build internal capacity so organizations can sustain the work long after we're gone. The result: high-performing individuals, stronger teams, and organizations equipped to impact the communities they serve.

06MAR-SAM LLC

IT & Software Services · Washington, District of Columbia
WOSBEDWOSB

Mar-Sam Solutions is a women-owned small business providing innovative information technology, cloud computing, cybersecurity, data analytics, and AI-driven automation solutions. We support federal, state, and local government agencies, as well as commercial organizations, by delivering secure, scalable, and mission-focused technology services. Our expertise includes cloud migration, application development, project management, cybersecurity, data architecture, and business process automation, helping clients improve operational efficiency, strengthen security, and achieve their strategic objectives.

07NEXUS GOVERNMENT SOLUTIONS LLC

Professional & Management Consulting · Washington, District of Columbia
WOSBEDWOSB

Nexus Government Solutions provides structured project management, governance support, and documentation control services to federal program offices operating in complex, compliance-driven environments. We specialize in helping agencies manage reporting requirements, risk tracking, audit readiness, and operational workflows associated with IT modernization and AI governance initiatives. Our team brings direct experience supporting secure federal environments, ensuring projects remain aligned with mission objectives while meeting evolving oversight and documentation standards. Nexus delivers disciplined execution, clear communication, and practical operational support that reduces administrative burden and strengthens program accountability.

08TADE GROUP, LLC

Professional & Management Consulting · Washington, District of Columbia
WOSBEDWOSB8(a)

TADE is a management consulting firm that creates dramatic improvements in performance of organizations and programs to enhance socioeconomic wellbeing of people around the world through Innovative Consulting and Technical Assistance in Project Management, Capacity Development and Training Services, Monitoring, Evaluation, Research and Learning, and Digital Transformation & IT Services

09LJ PREMIER SOLUTIONS LLC

Professional & Management Consulting · Washington, District of Columbia
WOSBEDWOSBSDVOSBVOSB

Epicurus Global LLC is a premier Service-Disabled Veteran Woman-Owned management consulting firm, renowned for delivering innovative solutions across multiple sectors. At the forefront of our offerings are cutting-edge Cybersecurity/IT Services, comprehensive Supply Chain & Logistics Management and Strategic Mergers & Acquisition Consulting. Our dedicated team excels in navigating complex challenges and providing strategic, forward-thinking approaches. We are committed to excellence and integrity, ensuring each project achieves exceptional results. Trust Epicurus Global LLC to be your partner in unlocking new opportunities and setting a standard of excellence in the consulting industry.

12INTEGRATED FINANCE AND ACCOUNTING SOLUTIONS, LLC.

Professional & Management Consulting · Washington, District of Columbia
WOSBSDVOSBVOSB

accounting, financial data management/reporting, acquisition support, PPBE, strategic planning, business process re-engineering, process improvement implementation, knowledge management, Customer Relations Management,Earned Value Management.

13E7STRATEGIES INC

Staffing & HR Services · Washington, District of Columbia
WOSBEDWOSB

E7Strategies Inc is a certified women-owned small business headquartered in Washington, DC, with extensive experience in serving government and commercial organizations nationwide. We deliver tailored strategic solutions through our IT Consulting, Data Management, and Staffing Services to meet the evolving needs of our clients

14CRP, INC.

Professional & Management Consulting · Washington, District of Columbia
WOSB

CRP, Incorporated (CRP) is a minority woman-owned professional services firm in the Washington, DC metropolitan area. We provide a portfolio of specialized services, notably research and evaluation (e.g., survey and evaluation research), meeting logistics and conference management support, staff augmentation, program management, and policy assessment and analysis. For over three decades, CRP has demonstrated a verifiable and exceptional record of past performance evidenced by: an impeccable reputation built on always delivering high-quality results and deliverables on time and within budget; a successful 35-year track record of providing exemplary, proactive, and outstanding customer service; a strong reputation as a proactive, trusted and collaborative solutions strategist; a multidisciplinary and highly trained staff representing a diverse set of technical capabilities, expertise, and experience; and an uncompromising commitment to excellence and client satisfaction.

15A. PRENTICE RAY & ASSOCIATES, LLC

Professional & Management Consulting · Washington, District of Columbia
WOSB

APRA was developed in 2005 to provide professional services including Information Technology, Professional Services Staffing, Financial, Acquisitions and Training for the public and private sectors.

16QUASARS INCORPORATED

IT & Software Services · Washington, District of Columbia
WOSB

Engineering Support Services, Systems Engineering, Configuration Management, Software engineering/development, IT consulting, web applications, knowledge management, EDMS, life cycle cost estimation, Cost-benefit Analysis, Management Consulting

17SOFTWARE INFORMATION RESOURCE CORP.

IT & Software Services · Washington, District of Columbia
WOSB

DARK DATA, MDM,Informatica, VAR, Identity Management, TS, Facility TOP SECRET Clearance, CLASSIFIED, SIPRNET,NIPRNET, Oracle, Quest, DELL, SAP, HP, VMWare, Adobe, Solar Winds, Informatica, AutoDesk, Symantec, Clearwell, Service Oriented Architecture (SOA),HSPD-12

18CENTRAL CARE SERVICES, LLC

Wholesale & Distribution · Washington, District of Columbia
WOSB

We are a business located in the District of Columbia that provides extensive care to senior citizens, offering them companion and personal care, transportation services and home care assistance. We help them to declutter, clean and sanitize their homes. We are black owned and woman owned.

19DEVELOPMENT INSTITUTE LLC

IT & Software Services · Washington, District of Columbia
WOSB

Scientific, Senior level of consultancy service;more of 20 years experience in 35 countries in arena of int. development, hub of 46 affiliated consultants with theoretical and practical expertise, policy development and publications

20MARVEL CONSULTING LLC

Professional & Management Consulting · Washington, District of Columbia
WOSB8(a)

Marvel Consulting LLC is a management firm dedicated to meeting the customer’s vision with results that are clear and effective. The firm specializes in procurement, acquisition, and contract development. The breadth of services include acquisition and procurement support, process improvement, contract management, program management, budget planning, strategic planning, logistics and project management. We provide subject matter expertise to deliver creative and innovative solutions for Federal clients.

22ISOM EVENTS LLC

Marketing, Advertising & PR · Washington, District of Columbia
WOSB

IGS is a full-service strategic communications, marketing, technical assistance, program management, and event production firm that helps public, private, and nonprofit organizations turn mission into momentum. With 32 years of proven results, IGS has delivered measurable outcomes for federal agencies, Fortune 500 companies, healthcare organizations, educational institutions, nonprofits, and associations. Founded in 1996, the company has grown into a multinational agency with a network spanning five continents. Our expertise includes strategic communications, stakeholder engagement, marketing and branding, technical assistance, program management, workforce development, training, event production, and organizational capacity building. We support small, mid-sized, and large organizations across the healthcare, defense, public safety, education, and financial services sectors, helping them achieve their goals through innovative solutions, operational excellence, and measurable impact.

24O'RIORDAN BETHEL LAW FIRM, LLP (THE)

Legal & Compliance Services · Washington, District of Columbia
WOSBEDWOSB

Management, Construction and Logistical Support Services, focusing in 3 areas: 1. Professional, Acquisition and Fiscal-Year-End Surge Support to Contracting Offices and Legal Counsel: a. Legal, Technical & Scientific Review of procurement packages, proposals, Source Selection Teams actions, & award packages. b. Support response to bid protests around end-of-fiscal-year surge: clerical, research, paralegal, attorney & technical support. FOIA support; Litigation & litigation support (clerical, research, paralegal & attorney work); EEO Counseling & EEO Investigations by trained counselors and investigators; Trial, appellate, ADR, counseling and drafting. Areas: administrative, acquisition, civil, Title VII & criminal law. (2) Construction & construction management services. Facilities management & operations. (3) Facility management and logistics, including Shuttle Bus and Executive Transportation.

25ANA-MARIA MCKESSY L.L.C.

Marketing, Advertising & PR · Washington, District of Columbia
WOSB

Ana-Maria McKessy, LLC is a woman-owned legal and consulting firm based in Washington, D.C., specializing in contract negotiation, regulatory compliance, and technical documentation. With over a decade of experience—including five years at the U.S. Department of Health and Human Services—our firm brings deep expertise in federal enforcement, healthcare compliance, and administrative law. We help clients navigate complex legal and regulatory challenges by delivering practical, compliance-focused solutions. From contract management systems and HIPAA assessments to technical writing and policy development, we translate legal requirements into clear, actionable documents that support operational success and risk mitigation.

28HH LOGISTICS PLANNING, LLC

Professional & Management Consulting · Washington, District of Columbia
WOSBEDWOSB8(a)

Woman owned management consultant company providing comprehensive business solutions to include relocation planning and move execution support for internal municipal, government and corporate facility management organizations.

29GUARDIANS OF HONOR, LLC

Professional & Management Consulting · Washington, District of Columbia
WOSB

Guardians of Honor, LLC (GOH) is a mature small business with strong federal qualifications in grants management, events management, policy and legislative analysis, strategic planning, database development, training and facilitation, and knowledge management.

30ATA HEALTH STRATEGIES LLC

Professional & Management Consulting · Washington, District of Columbia
WOSB

Ata Health Strategies LLC provides a range of consulting services dedicated to strengthening the performance of health systems, by improving the planning and execution of data-driven, high impact population health programs. With world-class expertise and tools, we partner with national governments, non-profits and the private sector to design end-to-end solutions to improve strategic planning, program design, partnership development, evidence-based practice, implementation, quality improvement, research, communications, and monitoring and evaluation. Current focus areas include global health workforce development, climate and health adaptation, and non-medical services for chronic disease prevention that target social determinants of health.

31NBB MEDIA SOLUTIONS L.L.C.

Marketing, Advertising & PR · Washington, District of Columbia
WOSB

NBB Media Solutions Woman-owned is a social marketing and advertising agency with a full range of communication services providing innovative solutions, digital strategy, strategic planning, and media buying. Our staff has over twenty years of experience creating non-traditional ideas and maximizing the best exposure for optimal results. We offer a collaborative, participatory, hands-on approach to project management and produce superior communications deliverables. Our, capabilities are providing, unsurpassed solutions, personal, attention, and creative thinking. We are a woman owned small business. We can handle your advertising and marketing needs from, the beginning until the end. We handle the production, and placing of media, utilizing print, tv, radio, digital, and outdoor, advertising leading a call to action.

32ZANE NETWORKS, LLC

IT & Software Services · Washington, District of Columbia
WOSBEDWOSB

Zane Networks, LLC (ZaneNet), located in Washington DC, serves public and private entities by solving complex problems in the areas of healthcare: healthcare quality reporting, health IT and mobile health and telehealth solutions, value-based care consulting, data-driven healthcare decision making, health information exchange expertise; technology: software and application development, call center services, Learning Management System implementation and audio-visual and video-teleconferencing services, and staffing: experienced technical, project management and clinical personnel.

33ANDERSON EDUCATION ASSOCIATES LLC

Professional & Management Consulting · Washington, District of Columbia
WOSB

Anderson Education Associates is a small US-based consulting firm that focuses on how to take evidence of what works in education and apply it in context-specific, culturally appropriate ways to catalyze change. We draw upon our technical and communications expertise and a vast network of colleagues around the world to deliver insights and strategies on how to solve challenges in global education.

Frequently asked

Are there certified women-owned NAICS 541990 vendors in District of Columbia?

Yes — 33 certified women-owned vendors in District of Columbia list NAICS 541990 (All Other Professional, Scientific, and Technical Services), each with an active WOSB or EDWOSB certification reported from the U.S. SBA Small Business Search and dated on each listing.