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GRC Industrial Machinery · Pumps · Water infrastructure · Dividend payer · Thesis updated July 27, 2026

Pump rebound builds momentum with data center demand

01 Running thesis

A proven rebound finds new catalysts

Gorman-Rupp's second quarter of 2026 confirmed that its earlier recovery was not a fluke. Sales grew 3.9% year over year. The Construction segment, which worried investors in 2025, surged another 19.6% on better mining and rental equipment demand. Agriculture also saw a 17.8% jump from broad improvements across its sales channels.

The profit story remains a major positive. Gross margin held strong at 32.6%, proving that the facility optimization program from late 2025 is delivering real savings. Higher volume is helping the company spread fixed factory costs over more units.

A new tailwind has also appeared. Management explicitly called out data center demand as a growth driver for its Industrial and OEM segments. This gives the company exposure to a fast-growing secular trend, adding to its traditional infrastructure base.

The main drag is the Fire segment. Sales there fell 7.0% because of weak international shipments. Investors will be watching to see if this is a temporary hiccup or a structural shift in a previously strong market.

Jul 2026Q2 2026 confirmed earlier trends with Construction growing 19.6% and margins at 32.6%, plus new demand from data centers.
Apr 2026Q1 2026 strengthened the case. Construction grew 30.2%, gross margin rose to 32.5%, and backlog reached $247.9 million, though Fire fell 16.8%.
Mar 2026The 2025 10-K showed orders up 10.5% and year-end backlog up 18.5%. The main drag was still Construction, which fell 11.1% for the year.
Oct 2025Q3 2025 was mixed. Backlog and orders were strong, but gross margin fell because of one-time facility costs and Construction dropped 20.6%.
Jul 2025The Q2 2025 report improved the outlook. Incoming orders rose 7.1% for the first half, Municipal stayed strong, and Construction stabilized.
Apr 2025Q1 2025 introduced a demand concern. Backlog and incoming orders fell year over year, and Construction sales dropped 12.6%.
Mar 2025The 2024 10-K confirmed a balanced story. Gross margin improved to 31.0%, but revenue was flat and Fire weakness offset strong Municipal growth.
Oct 2024Q3 2024 showed strong pricing and a 31.3% gross margin. Revenue growth stayed flat as Municipal strength was offset by Fire and Agriculture weakness.
02 Business model

Many pump markets, one factory logic

Gorman-Rupp makes money by selling pumps and pump systems. Customers use them to move liquids in water, wastewater, construction, dewatering, industrial, petroleum, OEM, agriculture, fire suppression, HVAC, military, and other jobs.

The company is not tied to one end market. That helps smooth results when one area slows. In Q2 2026, the company saw strength in Construction, Agriculture, Industrial, and OEM, which offset the decline in the Fire segment.

The model works best when factories run with enough volume. Higher sales help spread labor and overhead costs across more units. The company's recent facility consolidation has improved this leverage, lifting gross margins above 32%.

Aggressive debt reduction is improving the balance sheet. The company has paid down $33.0 million in debt so far in 2026, which lowers interest expense and increases financial flexibility.

03 Product portfolio

Pumps for messy real-world jobs

Steady

Municipal water and wastewater pumps

These pumps serve flood control, water, and wastewater projects, benefiting from ongoing infrastructure investment.

Growth engine

Construction and dewatering pumps

These products remove or move water on job sites and mines. Construction sales rose 19.6% in Q2 2026, showing sustained recovery.

Option

Fire suppression pumps

These systems support fire protection uses. Q2 2026 sales fell 7.0%, so this line needs to prove its international weakness is temporary.

Growth engine

Industrial and OEM pump systems

Industrial pumps serve factory and process uses, while OEM pumps go into other equipment. Both segments are now seeing a boost from data center demand.

Steady

Agriculture and petroleum transfer pumps

These pumps move fuel, water, and other liquids in farm and energy settings. Agriculture grew a strong 17.8% in Q2 2026.

Cash cow

Repair parts

Repair parts support installed pumps already in use, providing a steady stream of higher-margin revenue.

04 Business segments

Sales mix

Industrial18%growing fast
Fire16%declining
Agriculture15%growing fast
Construction15%growing fast
Municipal14%growing fast
Other disclosed markets22%flat

Shares are based on Q1 2026 disaggregated net sales of $176.6 million. Gorman-Rupp reports end markets, not formal operating segments, and the smaller lines are grouped here as other disclosed markets.

05 Risk factors

What could break the thesis

Fire weakness spreads

Medium impact · Medium odds

Fire sales fell 7.0% in Q2 2026 because of lower international shipments, continuing a trend from Q1. If this does not normalize soon, it could drag down overall growth and offset gains in other markets.

We watchFire market sales growth and management comments on international orders in upcoming quarters.

Construction rolls over again

High impact · Medium odds

Construction rose 19.6% in Q2 2026, showing great momentum. However, construction and rental equipment demand can change fast when customers cut capital spending. If mining or rental demand weakens, the rebound could quickly fade.

We watchConstruction market sales growth, mining demand, and rental equipment orders.

Data center demand fails to scale

Medium impact · Low odds

Management cited data centers as a driver for Industrial and OEM growth. The actual revenue exposure is still an open question. If this demand turns out to be small or temporary, a key new catalyst will vanish.

We watchManagement commentary on the exact size and growth rate of data center-related orders.

Debt keeps pressure on cash

Medium impact · Medium odds

The company has disclosed substantial indebtedness, including a large term loan and a revolving credit facility. While debt reduction has been aggressive in 2026, the balance sheet still reduces room for operating mistakes.

We watchTotal debt reduction pace, interest expense, and operating cash flow each quarter.

Tariffs raise input costs

Medium impact · Medium odds

Gorman-Rupp previously warned that U.S. trade policy and tariffs could raise the cost of imported materials. Pump makers use metal and components that can be sensitive to supply costs. If prices cannot be passed on, margins could fall.

We watchMaterial cost comments, tariff updates, and gross margin pressure.

Valuation leaves less room for errors

Medium impact · Medium odds

The operating trend is much better, but the market is already pricing in some of this success. If Fire stays weak or the new data center demand proves too small to move the needle, the stock could struggle to advance.

We watchValuation multiples relative to peers and any reset in full-year demand commentary.
06 Quick answers

In one breath

What does Gorman-Rupp do?

Gorman-Rupp designs, makes, and sells pumps and pump systems. Its products move liquids in water, wastewater, construction, agriculture, industrial, petroleum, fire suppression, HVAC, OEM, and other uses.

Why is the stock doing well recently?

Construction sales have rebounded sharply in 2026, gross margin has stabilized above 32%, and the company has seen new demand from data center expansion in its Industrial and OEM segments.

What is the biggest risk for GRC right now?

The clearest current risk is the Fire segment. Sales in that market fell 7.0% in Q2 2026 because of lower international shipments, and investors need to see whether that is a lasting issue.

Is Gorman-Rupp a pure water infrastructure company?

No. Water and wastewater are important, but the company also sells into construction, agriculture, industrial, petroleum, OEM, fire suppression, HVAC, and repair parts markets.

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