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 (as defined in the official U.S. Census Bureau 2022 NAICS Manual).
Overview Facts
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)
Frequently Asked Questions (FAQ)
Is NAICS code 522310 valid in 2022? ▾
Yes, 522310 is a valid 6-digit 2022 NAICS national industry code representing 'Mortgage and Nonmortgage Loan Brokers' under Sector 52 in the official classification index.
What is the SBA size standard for NAICS code 522310? ▾
The Small Business Administration (SBA) has established a small business size standard of $15,000,000 for NAICS code 522310 (Mortgage and Nonmortgage Loan Brokers), calculated based on receipts.
What is the legacy SIC equivalent for NAICS 522310? ▾
According to official Census Bureau concordance tables, NAICS code 522310 (Mortgage and Nonmortgage Loan Brokers) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 6163 - Loan Brokers.
Related Pages & Tools
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.
- NAICS 522310 to SIC Crosswalk — Bidirectional mapping to legacy SIC codes (Mortgage and Nonmortgage Loan Brokers).
- IRS PBA Code for Mortgage Broker — Principal Business Activity tax reporting details.
- 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.