B2B contacts in SIC Electron Tubes (3671)
RampedUp holds 874,610 professional profiles for Electron Tubes (3671) as of the build — 0.3% of all profiles carrying a SIC code, and 0.1% of the global file. Of those, 398,364 carry a professional email address and 109,841 carry a mobile number. Ranked #79 of 587 SIC codes.
What the records carry
Field coverage for Electron Tubes (3671), 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 | Electron Tubes (3671) records | Share of Electron Tubes (3671) | Global share |
|---|---|---|---|
| Professional email | 398,364 | 45.5% | 19.3% |
| Personal email | 157,356 | 18.0% | 13.3% |
| Phone (any) | 778,923 | 89.1% | 35.3% |
| Mobile number | 109,841 | 12.6% | 7.4% |
| Primary contact record | 547,659 | 62.6% | 32.1% |
| All five present on one record | 45,635 | 5.2% | 1.6% |
Go deeper in the Count Explorer
Everything above is an exact count for Electron Tubes (3671) on its own. To put Electron Tubes (3671) 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 Electron Tubes (3671) already selected, and it tells you on every answer whether the number is exact or an estimate.
- Electron Tubes (3671) with a mobile number109,841
- Electron Tubes (3671) with a professional email address398,364
- Electron Tubes (3671) with all five fields present45,635
Why a second filter changes the answer. The October 2026 cube holds one dimension at a time, so a count for Electron Tubes (3671) on its own is read straight out of it and is exact. Combine Electron Tubes (3671) 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 Electron Tubes (3671) by profile count.
| # | SIC code | Profiles | Professional email | Mobile |
|---|---|---|---|---|
| 77 | News Syndicates (7383) | 905,978 | 478,818 | 98,764 |
| 78 | Entertainers & Entertainment Groups (7929) | 881,825 | 364,337 | 149,269 |
| 80 | Commercial Nonphyal Research (8732) | 844,261 | 430,227 | 73,175 |
| 81 | Engine Electrical Equipment (3694) | 828,840 | 383,022 | 90,259 |
Questions about this slice
How many Electron Tubes (3671) contacts does RampedUp have?
RampedUp holds 874,610 professional profiles for Electron Tubes (3671) as of the October 2026 build, which is 0.3% of all profiles carrying a SIC code and 0.1% of the global file of 893,501,354.
How many Electron Tubes (3671) contacts have an email address?
398,364 carry a professional email address (45.5% of Electron Tubes (3671) records) and 157,356 carry a personal email address (18.0%).
How many Electron Tubes (3671) contacts have a phone number?
778,923 carry a phone number of some kind (89.1%), of which 109,841 are mobile numbers (12.6% of Electron Tubes (3671) records).
Need this cross-filtered?
These are exact counts for Electron Tubes (3671) on its own. For Electron Tubes (3671) 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.