Tammer Sciences Inc (IL)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $854.04K
- $854,041under this UEI
- FY2026 obligations
- $0†
- Provisional
- Awards and orders
- 64
- with positive net obligations8 IDV vehicles held
- Latest action
- Jan 17, 2020
- SAM.gov registration
- Inactive
- Registration expiration date Jun 16, 2020
Registration
- Entity structure
- Other
- Business start date
- Jul 30, 1993 (33 years)
- Location
- Naperville, IL
- State of incorporation
- Illinois
- Purpose of registration
- All Awards
† FY2026 obligations (provisional; DoD awards signed after Jul 26, 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 26, 2026 are not yet public.
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI C7RXVEM9RLP8. GovChime does not check exclusions.
Performance
Net obligations recorded under this UEI since FY2008. 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
- FY2020: -$5 (de-obligation)
- FY2019: $8,300
- FY2016: $5,385
- FY2015: $146,021
- FY2014: $71,042
- FY2013: $216,460
- FY2012: $49,569
- FY2011: $83,075
Show all 11 yearsEarlier years (FY2008–FY2010)
- FY2010: $126,222
- FY2009: $100,584
- FY2008: $47,389
Total across 11 fiscal years: $854,041
Net de-obligation in that fiscal year (obligations withdrawn).
Top awarding agencies
- Department of Defense$822,873, 96.4%
- Department of Health and Human Services$31,168, 3.6%
Top awarding sub-agencies
- Department of the Army$822,873, 96.4%
- Office of the Assistant Secretary for Administration$31,168, 3.6%
Top NAICS by obligations
- 541690Other scientific and technical consulting services$312,350, 36.6%
- 541620Environmental consulting services$149,952, 17.6%
- 541330Engineering services$107,605, 12.6%
Top product and service codes by obligations
- R428Support- professional: industrial hygienics$619,027, 72.5%
- B599Special studies/analysis- other$109,985, 12.9%
- Q999Other medical services$65,446, 7.7%
- H335Inspection- service and trade equipment$46,474, 5.4%
- R499Other professional services$13,109, 1.5%
Capabilities
SBA certifications
No certification in the SBA profile data.
Business types self-reported in SAM.gov registration:
- Minority-Owned Business
Contracts
Latest awards and orders
- HHSP23320095355DBBlanket purchase agreement (BPA)VehicleDepartment of Health and Human ServicesOffice of the Assistant Secretary for AdministrationLatest action
- HHSP23337004BPA callunder a blanket purchase agreement (BPA)Department of Health and Human ServicesOffice of the Assistant Secretary for AdministrationLatest action
- W912JM19P0175Purchase orderDepartment of DefenseDepartment of the ArmyLatest action
- 0003BPA callunder a blanket purchase agreement (BPA)Department of DefenseDepartment of the ArmyLatest action
- W912LA15A0003Blanket purchase agreement (BPA)VehicleDepartment of DefenseDepartment of the ArmyLatest action
- 0026BPA callunder a blanket purchase agreement (BPA)Department of DefenseDepartment of the ArmyLatest action
- 0025BPA callunder a blanket purchase agreement (BPA)Department of DefenseDepartment of the ArmyLatest action
- 0002BPA callunder a blanket purchase agreement (BPA)Department of DefenseDepartment of the ArmyLatest action
- 0001BPA callunder a blanket purchase agreement (BPA)Department of DefenseDepartment of the ArmyLatest action
- 0011BPA callunder a blanket purchase agreement (BPA)Department of DefenseDepartment of the ArmyLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for Tammer Sciences Inc lists a physical address and a separate mailing address, along with 6 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
3744 Lawrence Dr.
Naperville, IL, 60564
USA
Mailing Address
423 Douglas Ave.
Naperville, IL, 60540
USA
Government Business Contact
Kal Kawar
423 Douglas Ave.
Naperville, IL, 60540
USA
Electronic Business Contact
Kal Kawar
423 Douglas Ave.
Naperville, IL, 60540
USA
Past Performance Contact
KAL Kawar
3744 LAWRENCE DRIVE
NAPERVILLE, IL, 60564
USA
Government Business Alternate Contact
KAL Kawar
3744 LAWRENCE DRIVE
NAPERVILLE, IL, 60564
USA
Electronic Business Alternate Contact
KAL Kawar
3744 LAWRENCE DRIVE
NAPERVILLE, IL, 60564
USA
Past Performance Alternate Contact
KAL KAWAR
3744 LAWRENCE DRIVE
NAPERVILLE, IL, 60564
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
Tammer Sciences Inc has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires June 16, 2020.
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
Business Structure
Source: SAM.govRegistration Details
Source: SAM.govInitial Registration
Last Update
Registration Activation
Fiscal Year End
Country of Incorporation
Congressional District