Profit Margin
4.6%
Net income ÷ total receipts (IRS SOI)
Manufacturing ·NAICS 3271
NAICS 3271 · IRS SOI 2013 (C corp) · Census CBP 2023
$59,607/yr average annual pay, with 70 SBA loans on record for NAICS 3271.
Data updated August 2026
The verdict · NAICS 3271
Clay Product and Refractory Manufacturing runs a 4.6% pre-tax net margin - below the national median - across 1K establishments employing 36K workers.
Use Clay Product and Refractory Manufacturing's NAICS benchmark as a comparison point, not a forecast for one business.
Clay Product and Refractory Manufacturing 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 2013 (C corporation headline) and Census County Business Patterns 2023
Clay Product and Refractory Manufacturing sits inside Manufacturing at a 4.6% net margin (below the national median), $22.1B in aggregate receipts across 2,365 returns, averaging $9.4B per establishment.
1,036 establishments employ 35,582 workers (34.4/location) at $59,607/yr average annual pay. Tennessee leads employment, followed by California and New York.
Clay Product and Refractory Manufacturing sits in the 15th percentile for employment and the 47th percentile for net margin among 4-digit NAICS industries with reported data.
Profit Margin
4.6%
Net income ÷ total receipts (IRS SOI)
Total Receipts
$22.1B
Annual revenue (IRS SOI)
Net Income
$1.0B
Pre-tax net income
Employment
35,582
Total employees (Census CBP)
Avg Payroll / Employee
$59,607/yr
Annual compensation
Establishments
1,036
Business locations
Release-over-release change
Employment decreased by 228; establishment count increased by 5. 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)p25/median/p75 = 3%/5%/7%
Per-entity IRS SOI tables at their own vintages, shares only when every row shares one year (never mix 2013/2017/2022 populations).
Margin: 4.6% · Receipts: $22.1B
| Industry | Profit Margin |
|---|---|
| Clay Building Material and Refractories Manufacturing NAICS 32712 | N/A |
| Pottery, Ceramics, and Plumbing Fixture Manufacturing NAICS 32711 | N/A |
| State | Employment |
|---|---|
| Tennessee | 2,262 |
| California | 2,036 |
| New York | 1,462 |
| Alabama | 1,267 |
| Kentucky | 1,010 |
| Indiana | 796 |
| Massachusetts | 780 |
| West Virginia | 646 |
| Michigan | 594 |
| Arkansas | 575 |
Showing top 10 of 44 states
SBA Loans Approved
70
Total Loan Volume
$28M
Avg Loan Size
$405K
Jobs Supported
638
Top SBA Lender
Newtek Bank, National Association
5 loans in this industry
New Business Share
44.3% of borrowers were new/startup businesses
Two IRS/Census peer sets for Clay Product and Refractory Manufacturing, both at NAICS level 4 and excluding this code so the neighborhoods are not self-links.
According to Census County Business Patterns 2023, Clay Product and Refractory Manufacturing ranks #221 of 259 U.S. industries at the 4-digit NAICS level by total employment. According to IRS SOI 2013 IRS Statistics of Income, its reported pre-tax net margin ranks #67 of 126 at that same detail level.
Nearest peer industries by ABS(IRS pre-tax margin) (4.6% here).
Nearest peer industries by ABS(Census employment) (35,582 here).
Read with this industry: Understanding profit margins by industry · Manufacturing · Rankings
Sources: IRS Statistics of Income (SOI) Business Tax Statistics · Census Bureau County Business Patterns 2023
NAICS 3271 · CBP 2023 · IRS SOI 2013
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.