B2B contacts in SIC National Security (9711)
RampedUp holds 1,234,860 professional profiles for National Security (9711) as of the build — 0.4% of all profiles carrying a SIC code, and 0.1% of the global file. Of those, 908,748 carry a professional email address and 257,467 carry a mobile number. Ranked #62 of 585 SIC codes.
What the records carry
Field coverage for National Security (9711), 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 | National Security (9711) records | Share of National Security (9711) | Global share |
|---|---|---|---|
| Professional email | 908,748 | 73.6% | 18.9% |
| Personal email | 227,008 | 18.4% | 13.3% |
| Phone (any) | 1,145,336 | 92.8% | 34.9% |
| Mobile number | 257,467 | 20.8% | 7.4% |
| Primary contact record | 747,890 | 60.6% | 32.4% |
| All five present on one record | 101,416 | 8.2% | 1.5% |
Go deeper in the Count Explorer
Everything above is an exact count for National Security (9711) on its own. To put National Security (9711) 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 National Security (9711) already selected, and it tells you on every answer whether the number is exact or an estimate.
- National Security (9711) with a mobile number257,467
- National Security (9711) with a professional email address908,748
- National Security (9711) with all five fields present101,416
Why a second filter changes the answer. The August 2026 cube holds one dimension at a time, so a count for National Security (9711) on its own is read straight out of it and is exact. Combine National Security (9711) 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 National Security (9711) by profile count.
| # | SIC code | Profiles | Professional email | Mobile |
|---|---|---|---|---|
| 60 | Architectural Services (8712) | 1,335,713 | 646,301 | 188,544 |
| 61 | Services-Detective, Guard & Armored Car Services (7381) | 1,328,659 | 467,790 | 119,688 |
| 63 | Space Vehicle Equipment, Nec (3769) | 1,233,536 | 713,850 | 233,738 |
| 64 | Security Brokers, Dealers & Flotation Companies (6211) | 1,233,444 | 598,093 | 142,751 |
Questions about this slice
How many National Security (9711) contacts does RampedUp have?
RampedUp holds 1,234,860 professional profiles for National Security (9711) as of the August 2026 build, which is 0.4% of all profiles carrying a SIC code and 0.1% of the global file of 895,093,624.
How many National Security (9711) contacts have an email address?
908,748 carry a professional email address (73.6% of National Security (9711) records) and 227,008 carry a personal email address (18.4%).
How many National Security (9711) contacts have a phone number?
1,145,336 carry a phone number of some kind (92.8%), of which 257,467 are mobile numbers (20.8% of National Security (9711) records).
Need this cross-filtered?
These are exact counts for National Security (9711) on its own. For National Security (9711) 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.