B2B contacts in SIC Semiconductors & Related Devices (3674)
RampedUp holds 1,783,334 professional profiles for Semiconductors & Related Devices (3674) as of the build — 0.6% of all profiles carrying a SIC code, and 0.2% of the global file. Of those, 1,059,653 carry a professional email address and 231,376 carry a mobile number. Ranked #47 of 587 SIC codes.
What the records carry
Field coverage for Semiconductors & Related Devices (3674), counted from the October 2026 build. The global column is there so you can see whether this slice runs above or below the file as a whole.
| Field on the record | Semiconductors & Related Devices (3674) records | Share of Semiconductors & Related Devices (3674) | Global share |
|---|---|---|---|
| Professional email | 1,059,653 | 59.4% | 19.3% |
| Personal email | 336,645 | 18.9% | 13.3% |
| Phone (any) | 1,656,435 | 92.9% | 35.3% |
| Mobile number | 231,376 | 13.0% | 7.4% |
| Primary contact record | 1,258,502 | 70.6% | 32.1% |
| All five present on one record | 101,591 | 5.7% | 1.6% |
Go deeper in the Count Explorer
Everything above is an exact count for Semiconductors & Related Devices (3674) on its own. To put Semiconductors & Related Devices (3674) together with a second filter — a title level, a job function, a company size band, a revenue band — open it in the Count Explorer. It arrives with Semiconductors & Related Devices (3674) already selected, and it tells you on every answer whether the number is exact or an estimate.
- Semiconductors & Related Devices (3674) with a mobile number231,376
- Semiconductors & Related Devices (3674) with a professional email address1,059,653
- Semiconductors & Related Devices (3674) with all five fields present101,591
Why a second filter changes the answer. The October 2026 cube holds one dimension at a time, so a count for Semiconductors & Related Devices (3674) on its own is read straight out of it and is exact. Combine Semiconductors & Related Devices (3674) with a second dimension and the cube has no such cell — the explorer estimates it, shows the ceiling it cannot exceed, and labels it an estimate rather than passing it off as a measured number.
Comparable SIC codes
The SIC codes ranked either side of Semiconductors & Related Devices (3674) by profile count.
| # | SIC code | Profiles | Professional email | Mobile |
|---|---|---|---|---|
| 45 | Services-Offices & Clinics Of Doctors Of Medicine (8011) | 1,964,304 | 732,173 | 401,279 |
| 46 | Accounting, Auditing, & Bookkeeping (8721) | 1,815,674 | 916,606 | 236,288 |
| 48 | Guided Missiles And Space Vehicles (3761) | 1,781,709 | 1,214,593 | 431,619 |
| 49 | Landscape Counseling And Planning (781) | 1,757,740 | 973,205 | 70,009 |
Questions about this slice
How many Semiconductors & Related Devices (3674) contacts does RampedUp have?
RampedUp holds 1,783,334 professional profiles for Semiconductors & Related Devices (3674) as of the October 2026 build, which is 0.6% of all profiles carrying a SIC code and 0.2% of the global file of 893,501,354.
How many Semiconductors & Related Devices (3674) contacts have an email address?
1,059,653 carry a professional email address (59.4% of Semiconductors & Related Devices (3674) records) and 336,645 carry a personal email address (18.9%).
How many Semiconductors & Related Devices (3674) contacts have a phone number?
1,656,435 carry a phone number of some kind (92.9%), of which 231,376 are mobile numbers (13.0% of Semiconductors & Related Devices (3674) records).
Need this cross-filtered?
These are exact counts for Semiconductors & Related Devices (3674) on its own. For Semiconductors & Related Devices (3674) combined with a title level, a company size or a required field, use the explorer — or ask and we will run it against the live file.