PrimeRFP SCOUT · Federal Contract Recompete Brief

W91YTZ21F0226Environmental monitoring system — Rees Scientific Corp

Rees Scientific Corp holds $18.7M across 229 federal awards, concentrated at Department of Defense (DOD). This PIID sits alongside 5 related awards in the incumbent pipeline. Set-aside status: Small business.

W40m Rhco Atlantic
Awarding office
Rees Scientific Corp
Recipient
—
Estimated value
6630
PSC
Small business
Set-aside

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Contract facts

Small business
Contract numberW91YTZ21F0226
Also listed asW91YTZ-21-F-0226
AgencyW40m Rhco Atlantic
Awarding officeW40m Rhco Atlantic
Awarding agencyDepartment of Defense (DOD)
Funding agencyDepartment of Defense (DOD)
IncumbentRees Scientific Corp
UEINCRKL9YLY2X4
PSC6630
Related solicitationW91YTZ21Q0224

Environmental Monitoring System is a federal Small business award for W40m Rhco Atlantic held by Rees Scientific Corp. Estimated value —. Related solicitation W91YTZ21Q0224.

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Incumbent footprint

Public record

Rees Scientific Corp — $18.7M obligated across 229 awards (firm-wide, all agencies) · lead buyer Department of Defense (DOD).

% of firm-wide obligated ($18.7M) · all agencies
Department of Defense (DOD)$9.6M · 51%Department of Health and Human Services (HHS)$6.2M · 33%Department of Veterans Affairs (VA)$2.6M · 14%Department of Commerce (DOC)$135K · 1%
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Related awards

Same incumbent
W81XWH22P0048
CALIBRATION AND MAINTENANCE
$508K
Jan 30, 2027
75F40122F80029
EXERCISE OPTION YEAR 3 (MAINTENANCE SERVICES FOR REES MONITORING SYSTEM) AND INCREASE SCOP…
$138K
Feb 4, 2027
FA239622P0072
REES TEMPERATURE MONITORING SYSTEM ANNUAL CALIBRATION SERVICE
$110K
Mar 31, 2027
75N90022P00188
26-001530 EXERCISE OPTION YEAR 4 05/01/2026 - 04/30/2027
$130K
Apr 30, 2027
75N98026P00465
26-003331 SERVICE AGREEMENT ON THE REES SCIENTIFIC ENVIRONMENTAL MONITORING SYSTEM POP 05/…
$413K
May 14, 2027

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Frequently asked questions

What is contract W91YTZ21F0226?

W91YTZ21F0226 (Environmental monitoring system) is a W40m Rhco Atlantic award with an estimated value of —, currently held by Rees Scientific Corp. Figures are USASpending-sourced public-record facts plus SCOUT recompete analysis.

What is W91YTZ-21-F-0226?

W91YTZ-21-F-0226 is the dashed form of PIID W91YTZ21F0226 (Environmental monitoring system), held by Rees Scientific Corp. Same award — SCOUT canonicalizes compact, dashed, and parent-child identifiers to one brief.

Which office awarded W91YTZ21F0226?

W40m Rhco Atlantic awarded W91YTZ21F0226 to Rees Scientific Corp.

Who is the incumbent on W91YTZ21F0226?

Rees Scientific Corp is the incumbent with $18.7M across 229 related awards in SCOUT’s public footprint.

When does Rees Scientific Corp’s W91YTZ21F0226 come up for recompete?

SCOUT tracks a period-of-performance end of an unstated date. Actual solicitation timing can shift with extensions, bridges, or consolidations.

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Data: Showing contracts ≥ $100K from federal procurement records (FPDS-NG, SAM.gov, and related repositories), normalized by PrimeRFP SCOUT. Each row keyed by Award ID (PIID); task orders appear as independent rows.

Data as of · refreshed monthly
Sources: USASpending, FPDS, SAM.gov · Public-record facts + SCOUT analysis shown above; personalized scoring in SCOUT.
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