NAICS 541690
Other Scientific and Technical Consulting Services
RampedUp holds 1,744,872 professional profiles classified to 2022 NAICS 541690 as of the build — 0.7% of all profiles carrying a NAICS classification. Of those, 944,339 carry a professional email address and 64,532 carry a mobile number. Ranked #41 of 370 codes.
What NAICS 541690 covers
This industry comprises establishments primarily engaged in providing advice and assistance to businesses and other organizations on scientific and technical issues (except environmental). Illustrative Examples: Agricultural consulting services Motion picture consulting services Biological consulting services Physics consulting services Chemical consulting services Radio consulting services Economic consulting services Safety consulting services Energy consulting services Security consulting services Cross-References. Establishments primarily engaged in--
Official 2022 NAICS definition. Sector 54 — Professional, Scientific, and Technical Services. Mapped in the RampedUp taxonomy to Outsourcing and Offshoring Consulting.
What the records carry
Field coverage for NAICS 541690, August 2026 build.
| Field on the record | Records | Share of 541690 | Share across all NAICS |
|---|---|---|---|
| Professional email | 944,339 | 54.1% | 50.8% |
| Personal email | 126,771 | 7.3% | 16.0% |
| Phone (any) | 1,632,028 | 93.5% | 89.3% |
| Mobile number | 64,532 | 3.7% | 13.4% |
| Primary contact record | 826,478 | 47.4% | 63.9% |
| All five present on one record | 21,277 | 1.2% | 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 541690 by profile count.
| # | Code | Title | Profiles | Professional email |
|---|---|---|---|---|
| 39 | 541211 | Offices of Certified Public Accountants | 1,757,470 | 861,098 |
| 40 | 336414 | Guided Missile and Space Vehicle Manufacturing | 1,754,460 | 1,162,920 |
| 42 | 423390 | Other Construction Material Merchant Wholesalers | 1,705,009 | 879,681 |
| 43 | 541612 | Human Resources Consulting Services | 1,700,914 | 802,910 |
Questions about NAICS 541690
What is NAICS code 541690?
541690 — Other Scientific and Technical Consulting Services. This industry comprises establishments primarily engaged in providing advice and assistance to businesses and other organizations on scientific and technical issues (except environmental). Illustrative Examples: Agricultural consulting services Motion picture consulting services Biological consulting services Physics consulting services Chemical consulting services Radio consulting services Economic consulting services Safety consulting services Energy consulting services Security consulting services Cross-References. Establishments primarily engaged in--
How many contacts does RampedUp have for NAICS 541690?
1,744,872 professional profiles as of the August 2026 build, which is 0.7% 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 541690?
944,339 records carry a professional email address (54.1%), 126,771 a personal email address, 1,632,028 a phone number and 64,532 a mobile number.
Need this cross-filtered?
Exact counts for NAICS 541690 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.