Employment
N/A
Total employees (Census CBP)
Manufacturing ·NAICS 331313
NAICS 331313 · IRS SOI 2023 · Census CBP
Alumina Refining and Primary Aluminum Production - Industry Benchmarks
6 SBA loans on record, $1M in volume, for NAICS 331313.
- 32
- Establishments
- N/A
- Workers employed
- N/A
- Avg payroll / employee
- $1M
- SBA lending, FY20–26
Data updated July 2026
The verdict · NAICS 331313
California leads Alumina Refining and Primary Aluminum Production activity nationally, across 32 establishments employing N/A workers. IRS SOI doesn't publish margin data at this NAICS level.
- 32
- Business establishments (Census)
- N/A
- Workers employed (Census CBP)
- N/A
- Avg payroll / employee
- $1M
- SBA lending, FY20–26
Benchmarking Insights for Alumina Refining and Primary Aluminum Production
Alumina Refining and Primary Aluminum Production sits inside Manufacturing.
32 establishments employ N/A workers. California leads employment.
Avg Payroll / Employee
N/A
Annual compensation
Establishments
32
Business locations
Release-over-release change
What changed from Census CBP 2022 to 2023
establishment count decreased by 2. This comparison uses two published national Census County Business Patterns releases; suppressed fields are omitted rather than estimated.
Financial Detail
Top States by Employment
| State | Employment |
|---|---|
| California | 18 |
SBA Lending Activity
SBA FY2020–2026SBA Loans Approved
6
Total Loan Volume
$1M
Avg Loan Size
$128K
Jobs Supported
29
Program Breakdown
7(a) 5 (83%)
504 1 (17%)
Top SBA Lender
The Huntington National Bank
2 loans in this industry
New Business Share
16.7% of borrowers were new/startup businesses
Annual Lending Trend (4 yrs)
2020 1
2023 3
2024 1
2025 1
Frequently Asked Questions
How many businesses are in Alumina Refining and Primary Aluminum Production?
32 business establishments.
What is the average payroll per employee in Alumina Refining and Primary Aluminum Production?
Average payroll data for Alumina Refining and Primary Aluminum Production is not available in the current Census CBP dataset.
Which states have the most Alumina Refining and Primary Aluminum Production employment?
California leads with 18 workers.
How much SBA lending does Alumina Refining and Primary Aluminum Production receive?
Alumina Refining and Primary Aluminum Production businesses received 6 SBA loans totaling $1 million between FY2020 and FY2026. The average loan size was $128K. These loans supported 29 jobs at origination. Most lending (83%) came through the SBA 7(a) program.
Benchmarking Alumina Refining and Primary Aluminum Production
- No margin data, check the parent industry. Browse Manufacturing
- 32 establishments, N/A workers. Payroll benchmarks
- 6 SBA loans on record. SBA lending rankings
Disclaimer: Public IRS/Census data, not financial or tax advice. See our full disclaimer.
Sources: IRS Statistics of Income (SOI) Business Tax Statistics · Census Bureau County Business Patterns 2023
NAICS 331313 · Data year: 2023
According to the U.S. Census Bureau, which released its 2023 County Business Patterns dataset in June 2025, PlainBizBench benchmarks 2,002 U.S. industries against Internal Revenue Service Statistics of Income data. See our methodology for the full compilation process.
Read our methodology - how this data is sourced, computed, and verified.
Source: U.S. Census Bureau, County Business Patterns / SUSB Industry employment scale, payroll, and firm-size benchmarks · 2023
Every figure on PlainBizBench is rendered directly from federal source data, no number is typed in by an editor. This page aggregates profit-margin, payroll, entity-type, and SBA-lending benchmarks for this industry, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.
Disclaimer: Public IRS/Census data, not financial or tax advice. See our full disclaimer.