EXPERIMENTAL PATHOLOGY LABORATORIES, INC. (VA)
Registration and award facts
SAM.gov registration as of
- Net obligations since FY2008
- $152.27M
- $152,266,082under this UEI
- FY2026 obligations
- $10.11M†
- $10,112,325Provisional
- Awards and orders
- 118
- with positive net obligations5 IDV vehicles held
- Latest action
- Sep 25, 2026
- SAM.gov registration
- Active
- Registration expiration date Jul 28, 2027
Registration
- Doing business as
- EXPERIMENTAL PATHOLOGY LABORATORIES INC
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Business start date
- May 13, 1971 (55 years)
- Location
- Sterling, VA
- State of incorporation
- Virginia
- Purpose of registration
- All Awards
- Website
- epl-inc.com
† FY2026 obligations (provisional; DoD awards signed after Jul 29, 2026 are not yet public).
Source: SAM.gov entity registration and FPDS contract actions recorded under UEI E4S8XBDQ4AN1. 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
- FY2026: $10,112,325 (provisional)
- FY2025: $7,817,350
- FY2024: $8,021,210
- FY2023: $5,507,792
- FY2022: $7,431,010
- FY2021: $7,660,982
- FY2020: $7,526,362
- FY2019: $7,353,289
Show all 19 yearsEarlier years (FY2008–FY2018)
- FY2018: $8,576,998
- FY2017: $8,906,699
- FY2016: $8,891,551
- FY2015: $8,325,169
- FY2014: $10,542,830
- FY2013: $10,841,190
- FY2012: $8,775,316
- FY2011: $5,376,073
- FY2010: $5,257,706
- FY2009: $5,983,261
- FY2008: $9,358,969
Total across 19 fiscal years: $152,266,082
Top awarding agencies
- Department of Health and Human Services$149,060,048, 97.9%
- Environmental Protection Agency$2,875,959, 1.9%
- Department of the Interior$231,975, 0.2%
- Department of Defense$59,904, <0.1%
- Department of Commerce$25,468, <0.1%
Top awarding sub-agencies
- National Institutes of Health$148,293,200, 97.4%
- Environmental Protection Agency$2,875,959, 1.9%
- Food and Drug Administration$613,980, 0.4%
- U.S. Fish and Wildlife Service$231,975, 0.2%
- Centers for Disease Control and Prevention$152,868, 0.1%
Top NAICS by obligations
- 493120Refrigerated warehousing and storage$49,204,580, 32.3%
- 541711Research and development in biotechnology$42,123,104, 27.7%
- 541710$22,269,954, 14.6%
- 541940Veterinary services$2,567,829, 1.7%
Top product and service codes by obligations
- AZ11R&d- other research and development (basic research)$97,750,041, 64.2%
- R499Support- professional: other$49,310,017, 32.4%
- R416Veterinary/animal care services$1,723,369, 1.1%
- AJ11General science and technology r&d services; general science and technology; basic research$1,710,877, 1.1%
- Q515Pathology services$615,779, 0.4%
Capabilities
NAICS codes
- 541714Research and Development in Biotechnology (except Nanobiotechnology)(primary)Small
- 493120Refrigerated Warehousing and StorageSmall
- 541715Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- 541940Veterinary Services
- 541990All Other Professional, Scientific, and Technical Services
Small: small business for that NAICS, self-certified in SAM.gov registration.
SBA certifications
No certification in the SBA profile data.
Federal Capability Statement
GROSS AND MICROSCOPIC PATHOLOGY, HISTOLOGY, ELECTRON MICROSCOPY, NECROPSY, STUDY MONITORING AND DATA AUDITING, PATHOLOGY QUALITY ASSURANCE AND PEER REVIEW, NEUROTOXICITY AND MORPHOMETRIC EVALUATION, ARCHIVE SERVICES, ADVISORY CONSULTATION IN ANATOMIC PATH
Capabilities & Services
Contracts
Latest awards and orders
- 75N96024C00002Definitive contractDepartment of Health and Human ServicesNational Institutes of HealthLatest action
- HHSN273201500014CDefinitive contractDepartment of Health and Human ServicesNational Institutes of HealthLatest action
- 75N96018C00006Definitive contractDepartment of Health and Human ServicesNational Institutes of HealthLatest action
- 75N96026C00002Definitive contractDepartment of Health and Human ServicesNational Institutes of HealthLatest action
- 75N93024P01204Purchase orderDepartment of Health and Human ServicesNational Institutes of HealthLatest action
- HHSF223032480T16Delivery orderunder an indefinite delivery contract (IDC)Department of Health and Human ServicesFood and Drug AdministrationLatest action
- HHSF2232480T15Delivery orderunder an indefinite delivery contract (IDC)Department of Health and Human ServicesFood and Drug AdministrationLatest action
- HHSF223032480T14Delivery orderunder an indefinite delivery contract (IDC)Department of Health and Human ServicesFood and Drug AdministrationLatest action
- 75D30124P19162Purchase orderDepartment of Health and Human ServicesCenters for Disease Control and PreventionLatest action
- 223032480Indefinite delivery contract (IDC)VehicleDepartment of Health and Human ServicesFood and Drug AdministrationLatest action
Contact Info
As of . Source: SAM.gov Points of Contact.
SAM.gov registration for EXPERIMENTAL PATHOLOGY LABORATORIES, 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
45600 TERMINAL DR
STERLING, VA, 20166
USA
Mailing Address
P.O. BOX 169
STERLING, VA, 20167
USA
Government Business Contact
Richard D Castro
P.O. BOX 169
Sterling, VA, 20167
USA
Electronic Business Contact
Richard Castro
P.O. BOX 169
STERLING, VA, 20167
USA
Past Performance Contact
Richard D Castro
P.O. BOX 169
Sterling, VA, 20167
USA
Government Business Alternate Contact
Jadrian Helms
P.O. Box 169
Sterling, VA, 20167
USA
Electronic Business Alternate Contact
Jadrian Helms
P.O. Box 169
Sterling, VA, 20167
USA
Past Performance Alternate Contact
Jadrian Helms
P.O. BOX 169
Sterling, VA, 20167
USA
Additional Details
As of . Source: SAM.gov Entity Registration.
EXPERIMENTAL PATHOLOGY LABORATORIES, INC. has no active federal suspension or debarment on record in SAM.gov. Current SAM.gov registration expires July 28, 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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