Employment
57,358
Total employees (Census CBP)
Manufacturing ·NAICS 33131
NAICS 33131 · IRS SOI (C corp) · Census CBP 2023
$76,177/yr average annual pay, with 33 SBA loans on record for NAICS 33131.
Data updated August 2026
The verdict · NAICS 33131
Texas leads Alumina and Aluminum Production and Processing activity nationally, across 431 establishments employing 57K workers. IRS SOI doesn't publish margin data at this NAICS level.
Use Alumina and Aluminum Production and Processing's NAICS benchmark as a comparison point, not a forecast for one business.
Alumina and Aluminum Production and Processing is reported here with financial measures from IRS Statistics of Income and workforce measures from Census County Business Patterns. The page keeps those source systems distinct, shows unavailable fields rather than estimating them, and links the underlying industry context so readers can compare the same NAICS activity before interpreting a margin or payroll figure.
Source: IRS SOI (C corporation headline) and Census County Business Patterns 2023
Alumina and Aluminum Production and Processing sits inside Manufacturing.
431 establishments employ 57,358 workers (133.1/location) at $76,177/yr average annual pay. Texas leads employment, followed by Michigan and Pennsylvania.
Alumina and Aluminum Production and Processing sits in the 42nd percentile for employment among 5-digit NAICS industries with reported data.
Employment
57,358
Total employees (Census CBP)
Avg Payroll / Employee
$76,177/yr
Annual compensation
Establishments
431
Business locations
Release-over-release change
Employment decreased by 873; establishment count decreased by 11. This comparison uses two published national Census County Business Patterns releases; suppressed fields are omitted rather than estimated.
Subscribe to this industry's release updates (RSS)| Industry | Profit Margin |
|---|---|
| Alumina Refining and Primary Aluminum Production NAICS 331313 | N/A |
| Aluminum Sheet, Plate, and Foil Manufacturing NAICS 331315 | N/A |
| Other Aluminum Rolling, Drawing, and Extruding NAICS 331318 | N/A |
| Secondary Smelting and Alloying of Aluminum NAICS 331314 | N/A |
| State | Employment |
|---|---|
| Texas | 3,565 |
| Michigan | 3,260 |
| Pennsylvania | 3,071 |
| Tennessee | 3,043 |
| California | 1,966 |
| Florida | 1,229 |
| Missouri | 1,173 |
| Arizona | 1,050 |
| South Carolina | 995 |
| New Hampshire | 180 |
Showing top 10 of 31 states
SBA Loans Approved
33
Total Loan Volume
$37M
Avg Loan Size
$1112K
Jobs Supported
639
Top SBA Lender
The Huntington National Bank
5 loans in this industry
New Business Share
6.1% of borrowers were new/startup businesses
Two IRS/Census peer sets for Alumina and Aluminum Production and Processing, both at NAICS level 5 and excluding this code so the neighborhoods are not self-links.
According to Census County Business Patterns 2023, Alumina and Aluminum Production and Processing ranks #319 of 551 U.S. industries at the 5-digit NAICS level by total employment.
Nearest peer industries by ABS(Census employment) (57,358 here).
Read with this industry: Industry employment trends · Manufacturing · Rankings
Sources: IRS Statistics of Income (SOI) Business Tax Statistics · Census Bureau County Business Patterns 2023
NAICS 33131 · CBP 2023 · IRS SOI
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.