Private company

Experimental Pathology Laboratories

Logo: epl-inc.com2

Experimental Pathology Laboratories is an American company based in Sterling, founded in 1971.1

Last updated Oct 21, 2026.

Overview

1971Founded1

Timeline

  1. 1971Founded Founded1

Funding

Where the company's money came from, by calendar year: private offerings filed with the SEC, federal grants, loans, contracts and other assistance from USAspending.gov, and PPP loans from the SBA. Each bar links to the records below.

Money received by year$152.2M 2008–2026
Figures by year
YearFederal contractsTotal
2026$10.1M$10.1M
2025$7.8M$7.8M
2024$8.1M$8.1M
2023$5.5M$5.5M
2022$7.5M$7.5M
2021$7.7M$7.7M
2020$7.5M$7.5M
2019$7.4M$7.4M
2018$8.6M$8.6M
2017$8.9M$8.9M
2016$8.9M$8.9M
2015$8.3M$8.3M
2014$10.5M$10.5M
2013$9.1M$9.1M
2012$8.8M$8.8M
2011$4.4M$4.4M
2010$8.0M$8.0M
2009$6.0M$6.0M
2008$9.3M$9.3M

Federal awards

Obligated amounts from USAspending.gov3, by calendar year, 2008–2026, for its registration. Obligations are what agencies committed, not always what was paid out. Contracts pay for goods and services; grants, loans and direct payments are assistance. Loans are charted at the face value of the loans listed here. An award’s amount below is its lifetime total, and some began before the years charted.

Largest contracts

  1. Sep 25, 2008$41.6M from National Institutes of Health: Management and support of the niehs archives, frozen tissue bank and specimen repository4 To EXPERIMENTAL PATHOLOGY LABORATORIES, INC. Award HHSN273200800005C
  2. Jul 23, 2015$33.3M from National Institutes of Health: Igf::ot::igf "pathology peer review and pathology support for the dntp and dir at niehs" experimental pathology laboratories (epl)5 To EXPERIMENTAL PATHOLOGY LABORATORIES, INC. Award HHSN273201500014C
  3. Sep 30, 2004$32.3M from National Institutes of Health: Pathology support for the ntp qa6 To EXPERIMENTAL PATHOLOGY LABORATORIES, INC. Award HHSN291200445527C
  4. Jun 15, 2000$28.6M from National Institutes of Health: R&d-other r & d-b res7 To EXPERIMENTAL PATHOLOGY LABORATORIES, INC. Award 00273199904D273995435
  5. Sep 25, 2018$28.3M from National Institutes of Health: Management and support of an archives and repository contract (aarc) for the national toxicology program (ntp) and the national institute of8 To EXPERIMENTAL PATHOLOGY LABORATORIES, INC. Award 75N96018C00006