B2B contacts in SIC Electronic Computers (3571)
RampedUp holds 170,219 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, 70,777 carry a professional email address and 13,516 carry a mobile number. Ranked #136 of 585 SIC codes.
What the records carry
Field coverage for Electronic Computers (3571), counted from the August 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 | 70,777 | 41.6% | 18.9% |
| Personal email | 19,369 | 11.4% | 13.3% |
| Phone (any) | 128,469 | 75.5% | 34.9% |
| Mobile number | 13,516 | 7.9% | 7.4% |
| Primary contact record | 86,744 | 51.0% | 32.4% |
| All five present on one record | 3,955 | 2.3% | 1.5% |
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 number13,516
- Electronic Computers (3571) with a professional email address70,777
- Electronic Computers (3571) with all five fields present3,955
Why a second filter changes the answer. The August 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 | Opeators Of Nonresidential Buildings (6512) | 171,665 | 80,717 | 31,007 |
| 135 | Direct Selling Establishments (5963) | 171,268 | 77,602 | 7,814 |
| 137 | Services-Allied To Motion Picture Production (7819) | 162,023 | 69,347 | 17,102 |
| 138 | Welding Repair (7692) | 158,781 | 51,873 | 12,774 |
Questions about this slice
How many Electronic Computers (3571) contacts does RampedUp have?
RampedUp holds 170,219 professional profiles for Electronic Computers (3571) as of the August 2026 build, which is 0.1% of all profiles carrying a SIC code and 0.0% of the global file of 895,093,624.
How many Electronic Computers (3571) contacts have an email address?
70,777 carry a professional email address (41.6% of Electronic Computers (3571) records) and 19,369 carry a personal email address (11.4%).
How many Electronic Computers (3571) contacts have a phone number?
128,469 carry a phone number of some kind (75.5%), of which 13,516 are mobile numbers (7.9% 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.