522310 — Mortgage and Nonmortgage Loan Brokers
Description
This industry comprises establishments primarily engaged in arranging loans by bringing borrowers and lenders together on a commission or fee basis.
Overview Facts
| NAICS Code | 522310 |
|---|---|
| Industry Title | Mortgage and Nonmortgage Loan Brokers |
| SBA Size Standard | $15,000,000 |
| U.S. Establishments | 9,792 (Census CBP, 2023) |
| IRS PBA Code | 522300 (rolled-up match) |
| Sectors Hierarchy | Sector 52 → 522 → 5223 |
| Source / Verified | US Census 2022 NAICS Manual, Census CBP / 2026-06-28 |
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 6163 - Loan Brokers (via SIC1987:6163→NAICS1997:52231→2002:522310→2007:522310→2012:522310→2017:522310→2022:522310)
Suggested Product Service Codes (Advisory)
The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.
- PSC R402 — Real Estate Brokerage Services
Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 522310:
- Sector 52 Directory Hub — List of related industries in the Finance and Insurance sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 5223
Frequently Asked Questions (FAQ)
Is 522310 a valid 2022 NAICS code?
NAICS 522310 is 'Mortgage and Nonmortgage Loan Brokers', a 2022 U.S. national industry under Sector 52 (Finance and Insurance); the SBA small-business size standard is $15,000,000.
What is the SBA size standard for NAICS 522310?
The SBA small business size standard for NAICS 522310 is $15,000,000 (based on receipts).
What is the legacy SIC code mapping for 522310?
NAICS code 522310 maps to the legacy 1987 SIC codes: 6163 - Loan Brokers.