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Most of Parker-Hannifin’s sales come from its Diversified Industrial business. It makes components and systems that move equipment, control fluid and gas flows, and provide filtration, among other functions. Equipment manufacturers buy these products for new machines, while independent distributors buy them to supply replacement markets. This gives Parker sales both when equipment is built and when its original components need replacing.
Aerospace Systems is the other substantial business. It supplies aircraft manufacturers with airframe and engine components and systems, and sells replacement parts and maintenance directly to aircraft users in commercial aviation and defense. Winning a place on a new aircraft program can lead to later repair and replacement business.
Demand depends on industrial activity, equipment spending and air-travel trends. Production also relies on a limited number of suppliers for certain critical materials and components. Government and defense business requires compliance with procurement, export-control and cybersecurity rules; failure to meet these requirements can restrict exports or bar Parker from new government contracts.
The risk section is the longest, dullest part of the filing. This keeps only what can really hurt you: where it hits, how hard, when it plays out.
Every company claims an edge. Each one is checked against hard numbers like margins and returns: which hold, and which line gives way first.
Donaldson competes with Parker-Hannifin for sales of filtration products and replacement filters to industrial, transportation and off-highway equipment customers. Watch Donaldson’s replacement-filter business for a read on the maintenance market Parker also serves.
Crane competes with Parker-Hannifin to sell aerospace components and fluid-handling equipment to manufacturers and customers maintaining equipment in demanding applications. Crane’s aerospace sales to manufacturers versus repair and replacement customers help distinguish new-equipment demand from maintenance demand in Parker’s markets.
Eaton competes with Parker-Hannifin for aircraft manufacturers’ and operators’ purchases of aerospace systems and replacement components. Its January 2026 acquisition of Ultra PCS expanded its next-generation aerospace offerings, making that product expansion worth watching for Parker’s competitive position.
Helios Technologies competes with Parker-Hannifin to supply industrial and mobile equipment manufacturers with hydraulic valves, couplings and motion-control systems. Its hydraulic-products business is the part to watch for competition in those equipment customers’ purchases.
Emerson Electric’s ASCO business competes with Parker-Hannifin to sell fluid-control and pneumatic products to industrial equipment manufacturers. ASCO product news is more directly relevant to that rivalry than Emerson’s broader automation business.
Honeywell’s aerospace business competes with Parker-Hannifin to sell aircraft control systems and components to aircraft manufacturers and customers buying repair and replacement parts.
Atmus Filtration Technologies competes with Parker-Hannifin in filters for commercial vehicles and off-highway equipment, including replacements. Replacement and repair parts generated approximately 86% of Atmus’s 2025 net sales, making that business a useful window into filter-maintenance demand rather than just new vehicle production.
Applied Industrial Technologies shares Parker-Hannifin’s exposure to industrial production, equipment investment and maintenance: Applied distributes motion-control, fluid-power and flow-control products, while Parker makes products for the same applications. Applied’s sales to customers maintaining and repairing industrial equipment offer a read on that part of Parker’s demand.
Ingersoll Rand sells compressors, pumps and fluid-handling equipment to industrial users whose equipment investment and maintenance spending also drive Parker-Hannifin’s sales. Watch its industrial equipment sales alongside related parts and service sales to separate new investment from upkeep.
Dover and Parker-Hannifin share demand from industrial equipment investment and replacement parts; Dover sells pumps, connectors, compression components and heat exchangers used in customers’ larger systems. Dover’s parts and service sales into equipment already in use help show the maintenance side of that demand.
AMETEK and Parker-Hannifin both depend on aircraft production and industrial automation spending, supplying aerospace devices and precision motion-control products to those markets. AMETEK’s aerospace instruments and automation solutions are the businesses to watch for demand in those shared markets.
ITT and Parker-Hannifin both sell engineered components that customers build into transportation, industrial and energy equipment, tying their sales to equipment production and capital spending. ITT’s sales into those three markets offer a read on the equipment demand Parker also faces.
Timken and Parker-Hannifin share exposure to industrial and off-highway equipment production and maintenance: Timken sells bearings and industrial-motion components to many of the same manufacturers and maintenance markets that buy Parker’s motion-control products. Timken’s business with agriculture, construction and industrial-distribution customers is worth watching for demand in those shared markets.
Honeywell International, Inc. earningsHON
Honeywell's aerospace results offer a demand signal for the aircraft systems and components markets where it competes with Parker-Hannifin.
Watch Honeywell's aerospace sales, and note whether demand from aircraft manufacturers differs from demand for repairs and replacement parts. Stronger results would suggest support in markets both companies serve; weaker results would point to softer demand there. Honeywell's results indicate market conditions, not a change in Parker-Hannifin's orders or market share.
Applied Industrial Technologies, Inc. earningsAIT
Applied Industrial Technologies' sales show whether industrial customers are buying for equipment maintenance and repair, offering a read on demand in Parker-Hannifin's replacement market.
Look for evidence of sales to customers maintaining and repairing industrial equipment. If this demand strengthens, purchases tied to equipment already in use are better supported, which is helpful for Parker-Hannifin's distributor and replacement-market demand; if it weakens, that channel is soft, but new-equipment investment may behave differently.
Crane Company earningsCR
Crane's aerospace sales to manufacturers versus repair and replacement customers help Parker-Hannifin distinguish new-aircraft demand from aftermarket demand.
Separate Crane's aerospace sales to manufacturers from sales to repair and replacement customers. Stronger manufacturer sales point to better support for new-equipment demand; stronger repair and replacement sales point to steadier aftermarket demand, a useful signal for Parker-Hannifin's aerospace aftermarket business. Weakness in either stream identifies softer demand there, but Crane's product mix differs and its results are not Parker's.
Durable Goods Orders MoM (Sep)
Durable goods orders track purchases of long-lasting equipment, so they show whether industrial and aerospace OEMs may buy more or fewer engineered products from Parker-Hannifin.
Expected0.2%Last release-0.1%
If it comes in above expectations
If the reading is above the 0.2% estimate, it is above the previous -0.1%. More orders point to stronger demand for customers’ equipment and may lead OEMs to buy more of Parker-Hannifin’s products, supporting its sales.
If it comes in below expectations
Fewer orders point to weaker equipment demand and may lead industrial and aerospace OEMs to buy fewer Parker-Hannifin products, weighing on sales.
Fed Interest Rate Decision
The Fed’s policy-rate decision affects the cost of borrowing across the economy, which can change the interest Parker-Hannifin pays on debt that reprices and on new borrowing.
Expected4.0%Last release4.0%
If it comes in above expectations
A higher-than-expected rate can make repricing debt and new borrowing cost more, raising Parker-Hannifin’s interest expense.
If it comes in below expectations
A lower-than-expected rate can make repricing debt and new borrowing cheaper, easing Parker-Hannifin’s interest expense.
Helios Technologies, Inc. earningsHLIO
Helios Technologies' hydraulic-products sales show whether industrial and mobile equipment makers are buying valves, couplings and motion-control systems, a demand signal for Parker-Hannifin's related products.
Watch sales in Helios Technologies' hydraulic-products business. If they strengthen, purchases of hydraulic components by industrial and mobile equipment makers are better supported, pointing to a firmer demand backdrop for Parker-Hannifin in the same customer markets; if they weaken, purchasing is softening, but that does not establish a change in Parker's market share.
Parker-Hannifin Corporation earningsThis company
Parker-Hannifin's report will show whether its industrial and aerospace businesses are turning sales growth into higher operating margins.
Compare organic sales growth with operating margins in both Diversified Industrial and Aerospace Systems. Organic sales growth excludes currency effects and the effects of acquisitions and divestitures. If sales and margins rise together, more sales are turning into profit; if sales grow but margins fall, product mix or material costs may be absorbing that growth. A split between the two segments shows where growth and pressure are coming from.
Industrial Production MoM (Oct)
Industrial production and capacity use track factory, mine and utility output and how much available capacity is used, showing whether in-plant and industrial-equipment customers may buy more or fewer Parker-Hannifin products.
Rising output and capacity use suggest stronger demand that may support purchases by Parker-Hannifin’s in-plant and industrial-equipment customers; falling readings suggest weaker demand that may weigh on those purchases.
