NAICS 541990
All Other Professional, Scientific, and Technical Services
RampedUp holds 27,681 professional profiles classified to 2022 NAICS 541990 as of the build — 0.0% of all profiles carrying a NAICS classification. Of those, 19,928 carry a professional email address and 4,858 carry a mobile number. Ranked #204 of 370 codes.
What NAICS 541990 covers
This industry comprises establishments primarily engaged in the provision of professional, scientific, or technical services (except legal services; accounting, tax preparation, bookkeeping, and related services; architectural, engineering, and related services; specialized design services; computer systems design and related services; management, scientific, and technical consulting services; scientific research and development services; advertising, public relations, and related services; market research and public opinion polling; photographic services; translation and interpretation services; and veterinary services). Illustrative Examples: Appraisal (except real estate) services Marine surveyor (i.e., appraiser) services Arbitration and conciliation services (except by lawyer, attorney, or paralegal offices) Patent broker services (i.e., patent marketing services) Commodity inspector services Pipeline or power line inspection (i.e., visual) services Consumer credit counseling services Weather forecasting services Handwriting analysis services Cross-References. Establishments primarily engaged in--
Official 2022 NAICS definition. Sector 54 — Professional, Scientific, and Technical Services. Mapped in the RampedUp taxonomy to Data Security Software Products.
What the records carry
Field coverage for NAICS 541990, August 2026 build.
| Field on the record | Records | Share of 541990 | Share across all NAICS |
|---|---|---|---|
| Professional email | 19,928 | 72.0% | 50.8% |
| Personal email | 7,182 | 25.9% | 16.0% |
| Phone (any) | 23,276 | 84.1% | 89.3% |
| Mobile number | 4,858 | 17.5% | 13.4% |
| Primary contact record | 22,454 | 81.1% | 63.9% |
| All five present on one record | 2,685 | 9.7% | 4.5% |
Counts come from the RampedUp August 2026 build. RampedUp's crosswalk maps each 6-digit 2022 NAICS code to exactly one industry in its own taxonomy, so this is that industry's population viewed under the NAICS classification — not a separate tally.
Comparable NAICS codes
The codes ranked either side of 541990 by profile count.
Questions about NAICS 541990
What is NAICS code 541990?
541990 — All Other Professional, Scientific, and Technical Services. This industry comprises establishments primarily engaged in the provision of professional, scientific, or technical services (except legal services; accounting, tax preparation, bookkeeping, and related services; architectural, engineering, and related services; specialized design services; computer systems design and related services; management, scientific, and technical consulting services; scientific research and development services; advertising, public relations, and related services; market research and public opinion polling; photographic services; translation and interpretation services; and veterinary services). Illustrative Examples: Appraisal (except real estate) services Marine surveyor (i.e., appraiser) services Arbitration and conciliation services (except by lawyer, attorney, or paralegal offices) Patent broker services (i.e., patent marketing services) Commodity inspector services Pipeline or power line inspection (i.e., visual) services Consumer credit counseling services Weather forecasting services Handwriting analysis services Cross-References. Establishments primarily engaged in--
How many contacts does RampedUp have for NAICS 541990?
27,681 professional profiles as of the August 2026 build, which is 0.0% of all profiles carrying a NAICS classification. Counts come from the RampedUp August 2026 build. RampedUp's crosswalk maps each 6-digit 2022 NAICS code to exactly one industry in its own taxonomy, so this is that industry's population viewed under the NAICS classification — not a separate tally.
What contact details are available for NAICS 541990?
19,928 records carry a professional email address (72.0%), 7,182 a personal email address, 23,276 a phone number and 4,858 a mobile number.
Need this cross-filtered?
Exact counts for NAICS 541990 on its own. For this code combined with a title level, company size or a required field, ask and we will run it against the live file.