FPDS Query Library
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Is Subchapter S Corporation

Boolean or coded flag indicating whether the vendor is organized as a Subchapter S corporation in the award record's vendor organization factors. A value such as 0 typically means the condition is not met, while other observed values should be validated against the FPDS extract or paired description fields if present.

Family: Award
Category: Vendor Site Details
Data Type: boolean_or_code_flag
Semantic Type: flag
Mapping: flattened_fpds_xml_field
AI Confidence: high

Variable Overview

FPDS Query Variable
content__award__vendor__vendorSiteDetails__vendorOrganizationFactors__isSubchapterSCorporation
Title
Is Subchapter S Corporation
FPDS Path
award/vendor/vendorSiteDetails/vendorOrganizationFactors/isSubchapterSCorporation
Description
Boolean or coded flag indicating whether the vendor is organized as a Subchapter S corporation in the award record's vendor organization factors. A value such as 0 typically means the condition is not met, while other observed values should be validated against the FPDS extract or paired description fields if present.
Business Meaning
This field helps analysts segment awards by vendor legal/tax structure, which can matter for small business characterization, supplier profiling, and compliance-oriented reviews. It is useful when examining whether certain contract populations are concentrated among S corporations or when testing relationships between vendor form and award outcomes.
Example Value
0
Observed Non-Null Count
111,509,025

FPDS Compare

FPDS Query Variable
content__award__vendor__vendorSiteDetails__vendorOrganizationFactors__isSubchapterSCorporation
FPDS XML Path
award/vendor/vendorSiteDetails/vendorOrganizationFactors/isSubchapterSCorporation
Mapping Type
flattened_fpds_xml_field
Comparison Summary
FPDS Query flattens the original nested FPDS XML path 'award/vendor/vendorSiteDetails/vendorOrganizationFactors/isSubchapterSCorporation' into the SQL-ready variable 'content__award__vendor__vendorSiteDetails__vendorOrganizationFactors__isSubchapterSCorporation'.

Use Cases

  • Dictionary lookup and field explanation
  • SQL filtering and grouping
  • Analytical reporting and reusable query building
  • Contractor profiling and competitor analysis

Common Usage

  • Filter awards to vendors flagged as Subchapter S corporations
  • Segment vendor populations by legal/tax organization type
  • Cross-tabulate vendor structure against award size, agency, or socioeconomic measures

Common Mistakes

  • Assuming 0 always means false without checking the actual code set in the extract
  • Using this field as a proxy for small business status or ownership category

Query Guidance

In SQL, test against the exact stored code values after confirming the domain, for example WHERE isSubchapterSCorporation = 1 or WHERE isSubchapterSCorporation IN ('Y','1'). Use IS NULL separately to distinguish unknown or missing values from explicit non-Subchapter S records.

SQL Examples

Preview values

SELECT
    content__award__vendor__vendorSiteDetails__vendorOrganizationFactors__isSubchapterSCorporation AS is_subchapter_s_corporation
FROM fpds.data
WHERE content__award__vendor__vendorSiteDetails__vendorOrganizationFactors__isSubchapterSCorporation IS NOT NULL
LIMIT 25

Flag distribution

SELECT
    content__award__vendor__vendorSiteDetails__vendorOrganizationFactors__isSubchapterSCorporation AS flag_value,
    count() AS record_count
FROM fpds.data
WHERE content__award__vendor__vendorSiteDetails__vendorOrganizationFactors__isSubchapterSCorporation IS NOT NULL
GROUP BY flag_value
ORDER BY record_count DESC

Each dictionary item includes SQL-ready examples generated alongside the variable metadata, allowing immediate use in FPDS Query for filtering, aggregation, and analysis.