Parker Hannifin Space

PH

Parker Hannifin Space, a division of the century-old Parker Hannifin Corporation, focuses on the design and manufacture of critical components for the space industry.

Irvine, United States Est. 1917 Commercial
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Founded
1917
Headquarters
Irvine, United States
Ownership
Subsidiary of Parker-Hannifin
Parent market cap
$119.8B-11.2% 30d
Employees
59,850as of 2026
Quick Facts
Country
United States
Founded
1917
Type
commercial
Status
operational

About Parker Hannifin Space

Updated 2026-09-11

Parker Hannifin Space, a division of the century-old Parker Hannifin Corporation, focuses on the design and manufacture of critical components for the space industry. The company specializes in spacecraft components, with a core product line encompassing space valves, seals, and advanced thermal-management systems. Beyond these foundational elements, Parker Hannifin Space also develops and provides propulsion components and cryogenic systems essential for a range of space applications.

A key strength of Parker Hannifin Space lies in its established engineering expertise and demonstrated flight heritage. The company highlights a history of successful implementation across both commercial and government space programs, suggesting a reliable and proven technology base. While specific technologies aren’t detailed publicly, the focus on cryogenic systems indicates capabilities in handling extremely low temperatures – a crucial requirement for propellant storage and advanced space exploration.

Given the limited publicly available information, assessing precise market position is challenging. However, the combination of valves, seals, thermal control, and propulsion elements suggests Parker Hannifin Space operates as a key supplier to larger prime contractors and spacecraft manufacturers. Their long history and flight heritage likely position them as a trusted, established provider within the supply chain, rather than a direct-to-end-user company.

Ultimately, Parker Hannifin Space appears to be a vital, if understated, contributor to the space industry, providing essential enabling technologies for a broad spectrum of missions. Their focus on reliability and proven performance, evidenced by their flight heritage, likely differentiates them in a competitive market.

Products and product lines

ProductLineNote
O-Ring & Engineered Seals (OES) Division elastomer sealsLaunch-vehicle and planetary-mission sealingSupplies the elastomer sealing used in the twin solid rocket boosters of NASA's Space Launch System and in the Mars 2020 (Perseverance) rover, per Parker's own newsroom and NASA's account of Parker's Lexington, Kentucky operation.
Composite Sealing Systems (CSS) Division mission-critical sealsHuman-spaceflight life-support sealingDesigns bonded elastomer-to-metal seals for Artemis-program capsule and life-support hardware, including a radiation-protective additive and an anti-stick surface treatment developed to meet multi-year, Mars-duration mission requirements.
CIRCOR Aerospace (pending acquisition)Flight-critical motion and flow controlOn May 21, 2026, Parker agreed to acquire CIRCOR International's Commercial and Defense Aerospace business for $2.55 billion; the unit makes flight-critical motion and flow-control products mainly for commercial aircraft and defense programs, not specifically described as space hardware in the deal announcement.
Aerospace Systems segment product linesAerospace/defense segmentPer Parker's FY2026 10-K, the Aerospace Systems segment ($7.06 billion in FY2026 sales) is organized around Control Systems, Sensors, Fluid Conveyance and Thermal Management product lines; the filing does not break out a separate space business or space-specific figures.

Timeline

  1. 2023 Jennifer A. Parmentier is elected Parker Hannifin's Chief Executive Officer, effective January 1, 2024, succeeding Thomas L. Williams. [source]
  2. 2024 Jay P. Reidy becomes Vice President and President of Parker's Aerospace Group, effective January 1, succeeding Roger S. Sherrard, who retired after 34 years with the company. [source]
  3. 2025 NASA astronaut Randy "Komrade" Bresnik presents Parker OES Division team leader Margie Pack with NASA's Silver Snoopy award on August 14, recognizing 25 years manufacturing Parker seals for NASA, including the SLS solid rocket boosters and the Mars 2020 rover. [source]
  4. 2026 Parker agrees to acquire CIRCOR International's Commercial and Defense Aerospace business for $2.55 billion in cash, announced May 21, expected to close in the second half of calendar 2026. [source]

Team

  • Jay P. ReidyPresident · source

Signals

Market cap, 90 days
+5.2%
Verification
Verified 2026-09-11

Stock Performance

PH · Daily close data

Yahoo Finance

Funding

Market Cap
$119.8B

Location

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Frequently asked about Parker Hannifin Space

Quick answers to the questions readers most often search for.

When was Parker Hannifin Space founded?
Parker Hannifin Space was founded in 1917 in United States.
Where is Parker Hannifin Space headquartered?
Parker Hannifin Space is headquartered in Irvine, United States.
What does Parker Hannifin Space do?
Parker Hannifin Space, a division of the century-old Parker Hannifin Corporation, focuses on the design and manufacture of critical components for the space industry. The company specializes in spacecraft components, with a core product line encompassing space valves, seals, and advanced thermal-management systems. Bey…
Is Parker Hannifin Space publicly traded?
No. Parker Hannifin Space is part of Parker-Hannifin Corporation, which trades under PH. There is no separate listing for the division itself.
What sector does Parker Hannifin Space operate in?
Parker Hannifin Space works in spacecraft components, Propulsion and Thermal systems, plus 2 other space-industry sectors.

Sources

The structured fields on this page (founding year, location, sector, status, listing) and the profile text are drawn from the sources below. How profiles are drafted and checked is described in our methodology.

  1. Official website (www.parker.com/portal/site/PARKER/menuitem.223a4a3cce02eb6315731910237ad1ca)
  2. Market data via Yahoo Finance (PH) · retrieved 2026-09-14
  3. SEC 10-K · retrieved 2026-09-04
  4. Parker Hannifin (investor relations): Parker Announces Leadership Changes for Key Operating Groups (30 Oct 2023) · retrieved 2026-09-11
  5. Parker Hannifin: Bresnik Presents Silver Snoopy Award (14 Aug 2025) · retrieved 2026-09-11
  6. Parker Hannifin (investor relations): Parker to Acquire CIRCOR's Commercial and Defense Aerospace Business (21 May 2026) · retrieved 2026-09-11
  7. NASA: Kentucky Companies Give NASA Artemis Missions Boost to the Moon (19 Sep 2019) · retrieved 2026-09-11
  8. Parker Hannifin (Discover Parker): Pioneering the Cosmos -- Parker CSS Division's Indispensable Role in NASA's Artemis Missions · retrieved 2026-09-11
  9. Parker Hannifin: Parker Elects Jennifer Parmentier as Chief Executive Officer (26 Oct 2022) · retrieved 2026-09-11

Data Accuracy Notice: Information about Parker Hannifin Space is compiled from publicly available sources including company websites, press releases, regulatory filings, and industry reports. Data is reviewed periodically but may not reflect the most recent developments.

Matched to SEC EDGAR · data pass September 11, 2026
Editorial owner: Dr. Donovan, Editor-in-Chief Company representatives may submit corrections This page does not constitute an endorsement or affiliation Learn about our data methodology