B2B contacts in SIC Computer Storage Devices (3572)
RampedUp holds 647,752 professional profiles for Computer Storage Devices (3572) as of the build — 0.2% of all profiles carrying a SIC code, and 0.1% of the global file. Of those, 412,509 carry a professional email address and 100,238 carry a mobile number. Ranked #92 of 585 SIC codes.
What the records carry
Field coverage for Computer Storage Devices (3572), 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 | Computer Storage Devices (3572) records | Share of Computer Storage Devices (3572) | Global share |
|---|---|---|---|
| Professional email | 412,509 | 63.7% | 18.9% |
| Personal email | 149,225 | 23.0% | 13.3% |
| Phone (any) | 553,415 | 85.4% | 34.9% |
| Mobile number | 100,238 | 15.5% | 7.4% |
| Primary contact record | 493,830 | 76.2% | 32.4% |
| All five present on one record | 52,062 | 8.0% | 1.5% |
Go deeper in the Count Explorer
Everything above is an exact count for Computer Storage Devices (3572) on its own. To put Computer Storage Devices (3572) 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 Computer Storage Devices (3572) already selected, and it tells you on every answer whether the number is exact or an estimate.
- Computer Storage Devices (3572) with a mobile number100,238
- Computer Storage Devices (3572) with a professional email address412,509
- Computer Storage Devices (3572) with all five fields present52,062
Why a second filter changes the answer. The August 2026 cube holds one dimension at a time, so a count for Computer Storage Devices (3572) on its own is read straight out of it and is exact. Combine Computer Storage Devices (3572) 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 Computer Storage Devices (3572) by profile count.
| # | SIC code | Profiles | Professional email | Mobile |
|---|---|---|---|---|
| 90 | Furniture (5021) | 667,212 | 307,820 | 83,165 |
| 91 | Ferries (4482) | 653,257 | 334,334 | 47,890 |
| 93 | Bookbinding And Related Work (2789) | 619,061 | 295,157 | 99,093 |
| 94 | Services-Computer Processing & Data Preparation (7374) | 605,582 | 275,013 | 63,888 |
Questions about this slice
How many Computer Storage Devices (3572) contacts does RampedUp have?
RampedUp holds 647,752 professional profiles for Computer Storage Devices (3572) as of the August 2026 build, which is 0.2% of all profiles carrying a SIC code and 0.1% of the global file of 895,093,624.
How many Computer Storage Devices (3572) contacts have an email address?
412,509 carry a professional email address (63.7% of Computer Storage Devices (3572) records) and 149,225 carry a personal email address (23.0%).
How many Computer Storage Devices (3572) contacts have a phone number?
553,415 carry a phone number of some kind (85.4%), of which 100,238 are mobile numbers (15.5% of Computer Storage Devices (3572) records).
Need this cross-filtered?
These are exact counts for Computer Storage Devices (3572) on its own. For Computer Storage Devices (3572) 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.