H1B Visa Data for Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers : Top Employers, Top Jobs and Employees Trends

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Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers (NAICS code 423720) has an average growth rate of -0.53% as an H1B industry with 330 employees hired as of 2025

Top Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers Employers

Company	Employees	Average Wage
Gr Solar Solutions, Inc.	1	$51,022
Holman Boiler Works, Inc.	1	$59,592
Hounen Solar Inc.	1	$91,042
Hydrofarm.inc.	1	$53,830
John N. Fehlinger Co.	1	$61,589
Kraus Usa Inc.	1	$29,411
Leo International, Inc.	1	$45,448
Mingyoung Conservation Inc	1	$35,818
Mission Solar Energy, Llc	1	$77,210
Mueller Streamline Co.	1	$40,747

Top Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers Jobs

Job Title	Number of Jobs	Average Wage
Transportation, Storage, And Distribution Managers	2	$101,390
Computer Hardware Engineers	2	$211,089
Writers And Authors	2	$57,294
Advertising And Promotions Managers	2	$125,715
Energy Engineers	2	$97,812
Web Developers	2	$41,829
Business Intelligence Analysts	2	$86,882
Civil Engineers	2	$72,904
Credit Analysts	2	$72,800
Financial Quantitative Analysts	1	$48,859

Employees Over Time vs Average Salary Over Time

The Plumbing And Heating Equipment And Supplies (hydronics) Merchant Wholesalers industry has been in the H1B Visa program since 2011 where 22 employees were hired. They peaked in 2024 with 36 employees, and have since been on a decline with the most recent number of employees being 6 in 2025.

The Plumbing And Heating Equipment And Supplies (hydronics) Merchant Wholesalers industry has been in the H1B Visa program since 2011 where the average salary was $68,600. The industry peaked in 2019 with an average salary of $101,247, and has since been on a decline with the most recent average salary being $90,442 in 2025.