Employment
N/A
Total employees (Census CBP)
Wholesale Trade ·NAICS 42372
NAICS 42372 · IRS SOI 2023 · Census CBP
Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers - Industry Benchmarks
179 SBA loans on record, $177M in volume, for NAICS 42372.
- 4.1%
- Wholesale Trade sector margin
- N/A
- Workers employed
- N/A
- Avg payroll / employee
- $177M
- SBA lending, FY20–26
Data updated July 2026
The verdict · NAICS 42372
Pennsylvania leads Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers activity nationally. IRS SOI doesn't publish margin data at this NAICS level, but the broader Wholesale Trade sector runs a 4.1% net margin.
- 4.1%
- Wholesale Trade sector margin (IRS SOI)
- N/A
- Workers employed (Census CBP)
- N/A
- Avg payroll / employee
- $177M
- SBA lending, FY20–26
Benchmarking Insights for Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers sits inside Wholesale Trade, a sector that runs a 4.1% net margin overall.
6,410 establishments employ N/A workers. Pennsylvania leads employment, followed by New Jersey and Michigan.
Avg Payroll / Employee
N/A
Annual compensation
Establishments
6,410
Business locations
Release-over-release change
What changed from Census CBP 2022 to 2023
establishment count decreased by 337. This comparison uses two published national Census County Business Patterns releases; suppressed fields are omitted rather than estimated.
Financial Detail
Sub-Industries
| Industry | Profit Margin |
|---|---|
| Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers NAICS 423720 | N/A |
Top States by Employment
| State | Employment |
|---|---|
| Pennsylvania | 3,868 |
| New Jersey | 2,378 |
| Michigan | 2,306 |
| Washington | 2,067 |
| Missouri | 1,587 |
| Utah | 1,275 |
| Nevada | 590 |
| Montana | 424 |
| Alaska | 222 |
Showing top 10 of 51 states
SBA Lending Activity
SBA FY2020–2026SBA Loans Approved
179
Total Loan Volume
$177M
Avg Loan Size
$987K
Jobs Supported
1,871
Program Breakdown
7(a) 147 (82%)
504 32 (18%)
Top SBA Lender
The Huntington National Bank
12 loans in this industry
New Business Share
17.3% of borrowers were new/startup businesses
Annual Lending Trend (7 yrs)
2020 25
2021 40
2022 22
2023 35
2024 32
2025 21
2026 4
Frequently Asked Questions
How profitable is Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers?
IRS SOI doesn't publish margin data at the NAICS 42372 level. Pennsylvania leads this industry nationally. The broader Wholesale Trade sector runs a 4.1% net margin (IRS SOI 2023).
How many businesses are in Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers?
6,410 business establishments.
What is the average payroll per employee in Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers?
Average payroll data for Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers is not available in the current Census CBP dataset.
Which states have the most Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers employment?
Pennsylvania leads with 3,868 workers. New Jersey (2,378) and Michigan (2,306) round out the top three.
How much SBA lending does Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers receive?
Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers businesses received 179 SBA loans totaling $177 million between FY2020 and FY2026. The average loan size was $987K. These loans supported 1,871 jobs at origination. Most lending (82%) came through the SBA 7(a) program.
Benchmarking Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
- No margin data, check the parent industry. Browse Wholesale Trade
- 6,410 establishments, N/A workers. Payroll benchmarks
- 179 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 42372 · 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.