B2B contacts in SIC Electronic Computers (3571)
RampedUp holds 166,035 professional profiles for Electronic Computers (3571) as of the build — 0.1% of all profiles carrying a SIC code, and 0.0% of the global file. Of those, 72,722 carry a professional email address and 14,150 carry a mobile number. Ranked #136 of 587 SIC codes.
What the records carry
Field coverage for Electronic Computers (3571), 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 | Electronic Computers (3571) records | Share of Electronic Computers (3571) | Global share |
|---|---|---|---|
| Professional email | 72,722 | 43.8% | 19.3% |
| Personal email | 20,483 | 12.3% | 13.3% |
| Phone (any) | 130,605 | 78.7% | 35.3% |
| Mobile number | 14,150 | 8.5% | 7.4% |
| Primary contact record | 88,688 | 53.4% | 32.1% |
| All five present on one record | 4,175 | 2.5% | 1.6% |
Go deeper in the Count Explorer
Everything above is an exact count for Electronic Computers (3571) on its own. To put Electronic Computers (3571) 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 Electronic Computers (3571) already selected, and it tells you on every answer whether the number is exact or an estimate.
- Electronic Computers (3571) with a mobile number14,150
- Electronic Computers (3571) with a professional email address72,722
- Electronic Computers (3571) with all five fields present4,175
Why a second filter changes the answer. The October 2026 cube holds one dimension at a time, so a count for Electronic Computers (3571) on its own is read straight out of it and is exact. Combine Electronic Computers (3571) 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 Electronic Computers (3571) by profile count.
| # | SIC code | Profiles | Professional email | Mobile |
|---|---|---|---|---|
| 134 | Direct Selling Establishments (5963) | 174,929 | 80,741 | 8,125 |
| 135 | Local And Suburban Transit (4111) | 172,647 | 105,267 | 21,801 |
| 137 | Services-Allied To Motion Picture Production (7819) | 164,311 | 69,738 | 17,447 |
| 138 | Welding Repair (7692) | 161,569 | 54,156 | 13,314 |
Questions about this slice
How many Electronic Computers (3571) contacts does RampedUp have?
RampedUp holds 166,035 professional profiles for Electronic Computers (3571) as of the October 2026 build, which is 0.1% of all profiles carrying a SIC code and 0.0% of the global file of 893,501,354.
How many Electronic Computers (3571) contacts have an email address?
72,722 carry a professional email address (43.8% of Electronic Computers (3571) records) and 20,483 carry a personal email address (12.3%).
How many Electronic Computers (3571) contacts have a phone number?
130,605 carry a phone number of some kind (78.7%), of which 14,150 are mobile numbers (8.5% of Electronic Computers (3571) records).
Need this cross-filtered?
These are exact counts for Electronic Computers (3571) on its own. For Electronic Computers (3571) 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.