How many employees does NPK International Inc. have?

NPK International Inc. reported 510 employees for the fiscal year ending Dec 2025, in the annual report it filed on February 27, 2026. That is up 10.9% from a year earlier.

What is NPK International Inc.'s revenue per employee?

NPK International Inc. brought in $277M of revenue in fiscal Dec 2025, which is $543K per employee. That ranks 8 of 24 companies we track in Construction Materials, where the median is $463K.

Where do these numbers come from?

Employee counts and revenue are taken from each company's own annual report (Form 10-K). Open roles are counted from the company's public job board where we have matched one. Companies report headcount once a year, sometimes rounded, so small changes can be noise.

Company data

NPK International Inc. employees and revenue per employee

NPKI · Construction Materials · $963M market cap

NPK International Inc. had 510 employees at the end of fiscal Dec 2025, up 10.9% from a year earlier. Revenue for the year was $277M, up 27.4% from a year earlier, or $543K per employee. Revenue and headcount both grew, and revenue grew faster.

Employees

510

+10.9% YoY

Revenue

$277M

+27.4% YoY

Revenue / employee

$543K

Peer median $463K

Rank in industry

8 of 24

Construction Materials

Headcount against revenue

Both lines start at 100 in the first year we hold, so you can see which one grew faster.

EmployeesRevenueIndexed to 100 in Dec 2016

Hover a year for the numbers.

NPKI employees and revenue by fiscal year
Year ending	Employees	Revenue	Per employee	Staff YoY	Revenue YoY
Dec 2025	510	$277M	$543K	+10.9%	+27.4%
Dec 2024	460	$217M	$473K	-70.3%	+4.7%
Dec 2023	1,550	$208M	$134K	+0.6%	+7.6%
Dec 2022	1,540	$193M	$125K	-1.6%	-68.6%
Dec 2021	1,565	$615M	$393K	+0.3%	+24.8%
Dec 2020	1,560	$493M	$316K	-29.1%	-39.9%
Dec 2019	2,200	$820M	$373K	-12.0%	-13.4%
Dec 2018	2,500	$947M	$379K	+4.2%	+26.6%
Dec 2017	2,400	$748M	$312K	+33.3%	+58.6%
Dec 2016	1,800	$471M	$262K	—	—

Open roles: we have not matched a verified job board for this company yet.

Employees, last six fiscal years

Revenue per employee, last six fiscal years

NPK International Inc. against similar companies

The closest industry peers by revenue, from Construction Materials.

Company	Employees	Revenue	Revenue / employee	Shape
USLM United States Lime & Minerals, Inc.	346	$373M	$1.08M	Efficient growth
TREX Trex Company, Inc.	1,839	$1.17B	$639K	Efficient growth
NPKI NPK International Inc.	510	$277M	$543K	Efficient growth
LMB Limbach Holdings, Inc.	1,500	$647M	$431K	Efficient growth
AWI Armstrong World Industries, Inc.	3,800	$1.62B	$427K	Efficient growth
NWPX NWPX Infrastructure, Inc.	1,318	$526M	$399K	Leaner
APOG Apogee Enterprises, Inc.	4,100	$1.40B	$343K	Leaner
SWIM Latham Group, Inc.	1,804	$546M	$303K	Leaner
TGLS Tecnoglass Inc.	9,601	$984M	$102K	Leaner

Every Basic Materials company

Questions about NPK International Inc.

How many employees does NPK International Inc. have?: NPK International Inc. reported 510 employees for the fiscal year ending Dec 2025, in the annual report it filed on February 27, 2026. That is up 10.9% from a year earlier.
What is NPK International Inc.'s revenue per employee?: NPK International Inc. brought in $277M of revenue in fiscal Dec 2025, which is $543K per employee. That ranks 8 of 24 companies we track in Construction Materials, where the median is $463K.
Where do these numbers come from?: Employee counts and revenue are taken from each company's own annual report (Form 10-K). Open roles are counted from the company's public job board where we have matched one. Companies report headcount once a year, sometimes rounded, so small changes can be noise.

Free game

Think you can pick better than the S&P 500?

Pick 15 stocks, lock them in, and we score them against the index every trading day for ten years. Free, with a public leaderboard.

Enter the challenge

More data

Compare NPKI with the rest of the market

See who earns the most per employee, who is hiring, and who is cutting, across every company we track.

Leaderboard Basic Materials

Source: employee counts and revenue as stated in NPK International Inc.'s annual reports (Form 10-K), latest filed February 27, 2026. This is data, not a recommendation to buy or sell NPKI.