NAICS 541990
NAICS 541990 - All Other Professional, Scientific & Technical Services
NAICS 541990 is the catch-all for professional, scientific, and technical services that don't fall under other 5419 codes - including specialized research, expert testimony, and bespoke advisory work. Cijara Group supports federal primes under 541990 with embedded analyst support, briefing development, and mission-specific research.
- Code
- 541990
- SBA size standard
- $19.5M average annual receipts (SBA small business)

Capabilities under NAICS 541990
- Embedded analyst and research support for federal program teams
- Briefing development, white papers, and executive-ready deliverables
- Policy research and federal-register / regulatory monitoring
- Specialized SME advisory across emerging-tech and mission domains
- Survey design, data collection, and qualitative analysis support
Embedded analyst support
Under 541990 Cijara Group provides embedded analyst capacity - researchers and writers who sit alongside a federal program team and produce the briefings, white papers, and decision memos the program needs to move forward. The work is typically scoped to a fixed monthly LOE with a named deliverable cadence (e.g., one issue brief plus four read-aheads per month), which lets the prime ladder the cost into a CLIN without overrun risk.
Bridging multi-discipline scopes
541990 is the right home when a scope touches multiple 5419 disciplines - policy, technology, training - and no single sub-code dominates. We bring that scope together under one PWS, run a single deliverable QA loop, and hand the program a coherent product rather than three disconnected workstreams stitched together at the end.
Agencies and missions served
- Department of Defense (DoD) think-tank and J-staff support
- Department of State and international affairs
- Federally Funded Research and Development Centers (FFRDCs) teaming
- Office of Management and Budget (OMB) policy support
- Civilian agency policy and strategy offices
Contract vehicles & teaming
- Subcontract teaming on professional-services IDIQs
- GSA MAS Professional Services teaming
- Direct subcontract awards under specialty BPAs
Frequently asked questions
What is NAICS code 541990?
NAICS 541990 covers all other professional, scientific, and technical services not classified elsewhere - research, expert advisory, and specialized analytical work.
What is the SBA size standard for 541990?
$19.5 million in average annual receipts. Cijara Group qualifies as a small business under this standard.
Why use 541990 instead of a more specific 5419 code?
Use 541990 when the work crosses 5419 sub-categories or is genuinely bespoke - embedded analyst support, mixed-discipline research, or one-off advisory. If the task fits a specific 5419 code (e.g., 541611, 541618, 541690), pick the specific code first.
