NAICS 523150
Investment Banking and Securities Intermediation
RampedUp holds 253,430 professional profiles classified to 2022 NAICS 523150 as of the build — 0.1% of all profiles carrying a NAICS classification. Of those, 134,076 carry a professional email address and 29,687 carry a mobile number. Ranked #108 of 370 codes.
What NAICS 523150 covers
This industry comprises establishments primarily engaged in underwriting, originating, and/or maintaining markets for issues of securities, or acting as agents (i.e., brokers) between buyers and sellers in buying or selling securities on a commission or transaction fee basis. Investment bankers act as principals (i.e., investors who buy or sell on their own account) in firm commitment transactions or act as agents in best effort and standby commitments. This industry also includes establishments acting as principals in buying or selling securities generally on a spread basis, such as securities dealers or stock option dealers. Illustrative Examples: Bond dealing (i.e., acting as a principal in dealing securities to investors) Mutual fund agencies (i.e., brokerages) Securities brokerages Securities underwriting Stock brokerages Stock options dealing Cross-References.
Official 2022 NAICS definition. Sector 52 — Finance and Insurance. Mapped in the RampedUp taxonomy to Investment Banking.
What the records carry
Field coverage for NAICS 523150, August 2026 build.
| Field on the record | Records | Share of 523150 | Share across all NAICS |
|---|---|---|---|
| Professional email | 134,076 | 52.9% | 50.8% |
| Personal email | 51,347 | 20.3% | 16.0% |
| Phone (any) | 214,781 | 84.7% | 89.3% |
| Mobile number | 29,687 | 11.7% | 13.4% |
| Primary contact record | 179,591 | 70.9% | 63.9% |
| All five present on one record | 12,757 | 5.0% | 4.5% |
Counts come from the RampedUp August 2026 build. RampedUp's crosswalk maps each 6-digit 2022 NAICS code to exactly one industry in its own taxonomy, so this is that industry's population viewed under the NAICS classification — not a separate tally.
Comparable NAICS codes
The codes ranked either side of 523150 by profile count.
| # | Code | Title | Profiles | Professional email |
|---|---|---|---|---|
| 106 | 921140 | Executive and Legislative Offices, Combined | 258,413 | 135,687 |
| 107 | 923130 | Administration of Human Resource Programs (except Education, Public Health, and Veterans' Affairs Programs) | 257,565 | 112,434 |
| 109 | 441110 | New Car Dealers | 253,388 | 135,948 |
| 110 | 327390 | Other Concrete Product Manufacturing | 226,786 | 98,757 |
Questions about NAICS 523150
What is NAICS code 523150?
523150 — Investment Banking and Securities Intermediation. This industry comprises establishments primarily engaged in underwriting, originating, and/or maintaining markets for issues of securities, or acting as agents (i.e., brokers) between buyers and sellers in buying or selling securities on a commission or transaction fee basis. Investment bankers act as principals (i.e., investors who buy or sell on their own account) in firm commitment transactions or act as agents in best effort and standby commitments. This industry also includes establishments acting as principals in buying or selling securities generally on a spread basis, such as securities dealers or stock option dealers. Illustrative Examples: Bond dealing (i.e., acting as a principal in dealing securities to investors) Mutual fund agencies (i.e., brokerages) Securities brokerages Securities underwriting Stock brokerages Stock options dealing Cross-References.
How many contacts does RampedUp have for NAICS 523150?
253,430 professional profiles as of the August 2026 build, which is 0.1% of all profiles carrying a NAICS classification. Counts come from the RampedUp August 2026 build. RampedUp's crosswalk maps each 6-digit 2022 NAICS code to exactly one industry in its own taxonomy, so this is that industry's population viewed under the NAICS classification — not a separate tally.
What contact details are available for NAICS 523150?
134,076 records carry a professional email address (52.9%), 51,347 a personal email address, 214,781 a phone number and 29,687 a mobile number.
Need this cross-filtered?
Exact counts for NAICS 523150 on its own. For this code combined with a title level, company size or a required field, ask and we will run it against the live file.