TAMMER SCIENCES, LLC (IL)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2016
- $325.71K
- $325,714under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 31
- with positive net obligations1 IDV vehicle held
- Latest action
- Apr 3, 2024
- SAM.gov registration
- Active
- Registration expiration date Sep 4, 2027
Registration
- Entity structure
- Partnership or Limited Liability Partnership
- Business start date
- Jul 11, 2016 (10 years)
- Location
- Naperville, IL
- State of incorporation
- Illinois
- Purpose of registration
- All Awards
† FY2026 obligations (provisional; DoD awards signed after Jul 28, 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 28, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI KQX8NKLXTLJ5. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2016. 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
- FY2024: $12,250
- FY2023: $43,500
- FY2022: $19,750
- FY2021: $14,700
- FY2020: $28,600
- FY2019: $99,200
- FY2018: $36,158
- FY2017: $71,556
Total across 8 fiscal years: $325,714
Top awarding agencies
- Department of Defense$325,714, 100%
Top awarding sub-agencies
- Department of the Army$325,714, 100%
Top NAICS by obligations
- 541690Other scientific and technical consulting services$274,964, 84.4%
- 541490Other specialized design services$31,000, 9.5%
- 541620Environmental consulting services$19,750, 6.1%
Top product and service codes by obligations
- R428Support- professional: industrial hygienics$325,714, 100%
Capabilities
NAICS codes
- 541620Environmental Consulting Services(primary)Small
- 541330E
- 541690Other Scientific and Technical Consulting ServicesSmall
- 562910E
- 923120Administration of Public Health Programs
- 926150Regulation, Licensing, and Inspection of Miscellaneous Commercial Sectors
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:
- Minority-Owned Business
- Self Certified Small Disadvantaged Business
Federal Capability Statement
Conduct and operate a consulting and contracting services business, providing services to the industrial hygiene, safety and environmental fields
Capabilities & Services
Contracts
Latest awards and orders
- W912JF24P0039Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W912JC23P0014Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W912L123P0037Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W912L122P0086Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W912JM21P0077Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W912JM20P0156Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W912JM20P0115Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W912JM20P0069Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W912JM19P0084Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- W912JM19P0221Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for TAMMER SCIENCES, LLC lists a physical address and a separate mailing address, along with 2 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
423 DOUGLAS AVE
NAPERVILLE, IL, 60540
USA
Mailing Address
423 Douglas Ave
Naperville, IL, 60540
USA
Government Business Contact
Khaldoun Kawar
423 Douglas Ave
Naperville, IL, 60540
USA
Electronic Business Contact
Khaldoun Kawar
423 Douglas Ave
Naperville, IL, 60540
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
TAMMER SCIENCES, LLC has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires September 4, 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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