NAICS Code 523999 — Miscellaneous Financial Investment Activities
National Industry in the official 2022 North American Industry Classification System (U.S. Census Bureau). It is one of 2 national industries under 52399 (All Other Financial Investment Activities).
| Code | 523999 |
|---|---|
| Title | Miscellaneous Financial Investment Activities |
| Level | National Industry (6-digit) |
| Edition | NAICS 2022 edition |
| SBA size standard | $47 million in average annual receipts |
Official definition (2022 NAICS)
This U.S. industry comprises establishments primarily engaged in acting as agents and/or brokers (except securities brokerages and commodity contracts brokerages) in buying or selling financial contracts and those providing financial investment services (except securities and commodity exchanges; portfolio management; investment advice; and trust, fiduciary, and custody services) on a fee or commission basis.
Illustrative Examples:
Exchange clearinghouses, commodities or securities
Stock quotation services
Gas lease brokers' offices
Is a business under 523999 "small"?
Under the SBA size standards (13 CFR 121.201, effective March 17, 2023), a business classified in NAICS 523999 qualifies as a small business if it does not exceed $47 million in average annual receipts. Small-business status determines eligibility for federal set-aside contracts, SAM.gov certifications and SBA loan programs — receipts are averaged over the latest 5 fiscal years.
Where 523999 sits in the hierarchy
| Level | Code | Title |
|---|---|---|
| Sector | 52 | Finance and Insurance |
| Subsector | 523 | Securities, Commodity Contracts, and Other Financial Investments and Related Activities |
| Industry Group | 5239 | Other Financial Investment Activities |
| NAICS Industry | 52399 | All Other Financial Investment Activities |
| National Industry | 523999 | Miscellaneous Financial Investment Activities |
Related SIC codes
Via the official U.S. Census concordance (1987 SIC ↔ NAICS), shown only where the industry definition is unchanged in NAICS 2022.
| SIC code | Title |
|---|---|
6211 | Security Brokers, Dealers, and Flotation Companies |
6289 | Services Allied With the Exchange of Securities or Commodities, Not Elsewhere Classified |
Related National Industry codes
523991— Trust, Fiduciary, and Custody Activities
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Data: official 2022 NAICS structure, descriptions and Census concordances, U.S. Census Bureau — U.S. government works in the public domain (17 U.S.C. §105). Suggested reference, not an official determination.