Rachel Harrison

Agency: Defense Threat Reduction Agency Department of Defense
Email: rachel.r.harrison2.civ@mail.mil
Phone: (571) 616-5513
Latest SAM.gov record: Jul 16, 2025

Contact facts

SAM.gov notices: 1
Contract awards: 4 As contracting staff
Top vendors: Applied Research Associates, Inc. 1 contract award · $1.4M in award value

Leidos, Inc. 1 contract award · $9.46M in award value
First SAM.gov record: Jun 6, 2024

Notices come from SAM.gov and awards from FPDS, which names the staff who created, approved or last changed an award without saying which.

SAM.gov notices

Notice	Posted
Monolithic Spectrometer Study Solicitation	Jun 6, 2024

Contract awards and IDVs

Award	Awarded	Obligated
Electromagnetic (EMP) advanced testing and technical assistance (T & TA) for system vulnerabilities and assessments HDTRA125FE017 · Leidos, Inc.	Jul 16, 2025	$16,642,999
The contractor shall provide the supplies and/or services set forth in section B, in accordance with the following… HDTRA125FE034 · Applied Research Associates, Inc.	Jun 4, 2025	$2,669,356
The purpose for this requirement is to provide engineering and technical support to procure, design, develop and host… HDTRA125FE013 · Southwest Research Institute	Apr 15, 2025	$3,765,081
Small business innovation to develop a handheld instrument that, from a standoff distance, can detect and identify… HDTRA125PE004 · Arete Associates	Mar 19, 2025	$173,931

Top vendors

Rank	Vendor	Awards and IDVs	Award value
1	Applied Research Associates, Inc.	1	$1.4M
2	Leidos, Inc.	1	$9.46M
3	Arete Associates	1	$174K
4	Southwest Research Institute	1	$4.62M

Award value adds up the base and exercised options recorded for the contract awards naming them. IDVs carry no value of their own.

Top NAICS codes

Rank	NAICS code	SAM.gov records
1	541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)	5

Top PSC codes

Rank	PSC code	SAM.gov records
1	AC33 National Defense R&D Services; Defense-Related Activities; Experimental Development	4
2	AC32 National Defense R&D Services; Defense-Related Activities; Applied Research	1

Quick answers

Who is Rachel Harrison?

Rachel Harrison is a federal contracting contact at Defense Threat Reduction Agency (Department of Defense). Point of contact on 1 SAM.gov notice and contracting staff on 4 contract awards, from June 6, 2024 to July 16, 2025.

How do I contact Rachel Harrison?

SAM.gov lists Rachel Harrison's email rachel.r.harrison2.civ@mail.mil and phone (571) 616-5513.

What is the latest SAM.gov notice naming Rachel Harrison?

Monolithic Spectrometer Study, solicitation, posted June 6, 2024.

Which vendors has Rachel Harrison awarded contracts to?

The vendors on the most contract awards and IDVs naming Rachel Harrison are Applied Research Associates, Inc., Leidos, Inc. and Arete Associates. Rachel Harrison's contract awards to Applied Research Associates, Inc. add up to $1.4M in base and exercised options.