Hamilton Sundstrand Space Systems International, Inc.
Houston, TX Part of United Technologies Inc.
- UEI
- LFZJHMW3EJ39
- CAGE
- 71120
- Primary NAICS
- 541330 Engineering Services
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
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Its parent company, RTX Corporation, ranks:
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
- Corporate family
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Parent
United Technologies Inc.
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Parent
United Technologies Inc.
- SAM.gov registration date
- Physical address
- 11 Greenway Plaza #2900, Houston, TX 77046, USA
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $126,773,653 |
| FY2025 | $132,031,026 |
| FY2024 | $112,672,085 |
| FY2023 | $109,221,705 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | National Aeronautics and Space Administration | $126,773,653 |
Contract vehicles
- Exploration Extravehicular Activity Services
- Multiple Award Schedule
- The Professional Services Schedule
Expired vehicles (1)
Contract awards
Latest 5 listed here. See the rest on GovTribe.
Contract subawards
| Prime contractor | Prime award | Amount | Awarded |
|---|---|---|---|
| Leidos, Inc. | FA239125CB016 | $50,000 | |
| California Institute Of Technology | 80NM0018D0004 | $136,328 |
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Space Systems Division | Houston, TX | 541330 Engineering Services |
| Blue Canyon Technologies LLC | Lafayette, CO | 336419 Other Guided Missile and Space Vehicle Parts and Auxiliary Equipment Manufacturing |
| Aerospace Applications North America Inc. | Houston, TX | 541512 Computer Systems Design Services |
| The Boeing Company | Houston, TX | 336414 Guided Missile and Space Vehicle Manufacturing |
| Maxar Space LLC | Palo Alto, CA | 517410 Satellite Telecommunications |
About the company
Hamilton Sundstrand Space Systems International, Inc. is a division of Raytheon Technologies Corporation (RTX) registered as a for-profit, corporate entity specializing in aerospace manufacturing and advanced technological solutions for space exploration. The company provides critical equipment, systems, and components primarily to NASA, focusing on life support systems, extravehicular activity equipment, and specialized space technologies. As a key aerospace contractor, Hamilton Sundstrand has established itself as an integral partner in supporting human spaceflight programs, particularly NASA's International Space Station and Artemis mission initiatives.
The company's federal contract awards demonstrate a concentrated focus on developing, testing, and delivering complex space systems and components. Specifically, Hamilton Sundstrand has been awarded numerous contracts for the Universal Waste Management System (UWMS), which involves designing and delivering critical life support equipment such as urine hose assemblies, sustaining spares, and consumables. Other notable contract work includes developing specialized components for the Orion Crew Survival Systems (OCSS), designing barriers for odor bacteria filters, producing Oxone filters for Artemis II, and creating interface test equipment for NASA's conductivity monitors. These contracts are consistently firm fixed-price delivery orders or purchase orders, predominantly awarded by NASA's Johnson Space Center and Shared Services Center, with no specific set-aside designations.
Hamilton Sundstrand holds a significant $3.5 billion multiple-award Indefinite Delivery Contract (IDC) for Exploration Extravehicular Activity Services (xEVAS), which runs through May 2032 and enables NASA to issue task orders for critical space systems. This contract covers extravehicular activity equipment, training, and operations support for both Artemis and International Space Station missions. Additionally, the company maintains a $20.475 million single-award IDC for the Rapid Amine Cycle (RCA) system, further demonstrating its capacity to provide specialized technological solutions for space exploration. These IDVs allow NASA to continually acquire essential space technologies and components, positioning Hamilton Sundstrand as a crucial supplier in supporting ongoing and future human spaceflight capabilities.
Quick answers
Is Hamilton Sundstrand Space Systems International, Inc. registered in SAM.gov?
Yes. Hamilton Sundstrand Space Systems International, Inc.'s SAM.gov registration is active through July 15, 2027.
Which contract vehicles does Hamilton Sundstrand Space Systems International, Inc. hold?
Hamilton Sundstrand Space Systems International, Inc. holds a place on 4 federal contract vehicles, including xEVAS, MAS and PSS.
How much has Hamilton Sundstrand Space Systems International, Inc. received in federal contracts?
Federal contracts obligated $132,031,026 to Hamilton Sundstrand Space Systems International, Inc. in fiscal year 2025 and $480,698,469 in fiscal years 2023 through 2027.
How does Hamilton Sundstrand Space Systems International, Inc. rank among federal contractors?
Hamilton Sundstrand Space Systems International, Inc.'s parent company, RTX Corporation, ranked #1 in NAICS 336419, #2 in NAICS 31-33 and #3 of all federal contractors in FY2025.
What is Hamilton Sundstrand Space Systems International, Inc.'s most recent federal award?
Hamilton Sundstrand Space Systems International, Inc.'s most recent federal contract award is Test of dosing assembly (80JSC025F7051), from Johnson Space Center, on July 2, 2025.
On GovTribe
See Hamilton Sundstrand Space Systems International, Inc.'s full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors