PHASE FOUR, INC. (CA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2015
- $9.85M
- $9,850,692under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 9
- with positive net obligations
- Latest action
- Sep 16, 2025
- SAM.gov registration
- Active
- Registration expiration date Jan 9, 2027
Registration
- Doing business as
- PHASE FOUR INC
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- Mar 1, 2015 (11 years)
- Location
- Hawthorne, CA
- State of incorporation
- Delaware
- Purpose of registration
- All Awards
- Website
- phasefour.io
† FY2026 obligations (provisional; DoD awards signed after Jul 25, 2026 are not yet public).
Contract actions that the Department of Defense both funds and awards are withheld at the source for 90 days, so DoD awards signed after Jul 25, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI YBJLGEK2QL15. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2015. Top lists show the largest five by share of this vendor's net obligations; the shares do not sum to 100%.
Net obligations by fiscal year of action
- FY2025: $3,599,116
- FY2023: $1,783,628
- FY2022: $979,135
- FY2021: $2,488,878
- FY2020: $49,935
- FY2015: $950,000
Total across 6 fiscal years: $9,850,692
Top awarding agencies
- Department of Defense$8,900,692, 90.4%
- National Aeronautics and Space Administration$950,000, 9.6%
Top awarding sub-agencies
- Department of the Air Force$7,921,557, 80.4%
- Department of the Navy$979,135, 9.9%
- National Aeronautics and Space Administration$950,000, 9.6%
Top NAICS by obligations
- 541990All other professional, scientific, and technical services$1,694,485, 17.2%
Top product and service codes by obligations
- AC32National defense r&d services; defense-related activities; applied research$3,572,647, 36.3%
- AC21National defense r&d services; atomic energy defense activities; basic research$1,799,997, 18.3%
- AC22National defense r&d services; atomic energy defense activities; applied research$1,783,628, 18.1%
- AC13National defense r&d services; department of defense - military; experimental development$1,694,485, 17.2%
- AR11R&d- space: aeronautics/space technology (basic research)$950,000, 9.6%
Capabilities
NAICS codes
- 336415Guided Missile and Space Vehicle Propulsion Unit and Propulsion Unit Parts Manufacturing(primary)Small
- 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Business types self-reported in SAM.gov registration:
- Self Certified Small Disadvantaged Business
Product and service codes (PSC)
- 1337GUIDED MISSILE AND SPACE VEHICLE EXPLOSIVE PROPULSION UNITS, SOLID FUEL; AND COMPONENTS
Capabilities & Services
Contracts
Latest awards and orders
- FA930025C6024Definitive contractDepartment of DefenseDepartment of the Air ForceLatest action
- FA930025C6010Definitive contractDepartment of DefenseDepartment of the Air ForceLatest action
- FA930023C6025Definitive contractDepartment of DefenseDepartment of the Air ForceLatest action
- N6600122C4009Definitive contractDepartment of DefenseDepartment of the NavyLatest action
- FA881021C0047Definitive contractDepartment of DefenseDepartment of the Air ForceLatest action
- FA864921P0849Purchase orderDepartment of DefenseDepartment of the Air ForceLatest action
- FA864921P0685Purchase orderDepartment of DefenseDepartment of the Air ForceLatest action
- FA864920P0762Purchase orderDepartment of DefenseDepartment of the Air ForceLatest action
- NNA15BA42CDefinitive contractNational Aeronautics and Space AdministrationLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for PHASE FOUR, INC. lists a physical address and a separate mailing address, along with 5 verified points of contact. Past Performance contacts are the recommended outreach channel for due-diligence references; Government Business contacts handle procurement-facing correspondence.
Source: SAM.gov entity registration. Contacts displaying numeric or placeholder names have been filtered (defense-in-depth).
Physical Address
12605 South Van Ness Avenue
Hawthorne, CA, 90250
USA
Mailing Address
12605 South Van Ness Avenue
Hawthorne, CA, 90250
USA
Government Business Contact
Stephen Kiser
Dr.
12605 South Van Ness Avenue
Hawthorne, CA, 90250
USA
Electronic Business Contact
Stephen Kiser
Dr.
12605 South Van Ness Avenue
Hawthorne, CA, 90250
USA
Past Performance Contact
Stephen Kiser
Dr.
12605 South Van Ness Avenue
Hawthorne, CA, 90250
USA
Government Business Alternate Contact
Eric Huey
12605 South Van Ness Avenue
Hawthorne, CA, 90250
USA
Electronic Business Alternate Contact
Eric Huey
12605 South Van Ness Avenue
Hawthorne, CA, 90250
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
PHASE FOUR, INC. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires January 9, 2027.
Source: SAM.gov entity registration (FAR responses, registration status). Always verify active exclusions against the authoritative record on SAM.gov before contract award.
Compliance & Risk Assessment
Source: SAM.gov FAR responsesSuspension/Debarment Status
SAM.gov registration reports no active exclusion
Public Display
Entity information is publicly displayed
Disaster Relief Registry
Not registered for disaster relief
Bonding Information
No bonding information provided
EDI
Not declared in SAM.gov
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District
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