General contractors building federal office buildings, courthouses, military barracks, VA medical facilities, and other institutional structures. Largest single dollar-volume construction NAICS for federal work.
Federal agencies that obligate the most spending under NAICS 236220 (FY2024 reporting period). Order tracks federal-obligation volume on USAspending.gov.
Whether NAICS 236220 commonly carries set-aside designations on federal awards. Eligibility for any specific solicitation is set by the contracting officer; this table reflects the FY2024 award pattern, not a guarantee of set-aside status.
High-volume SDVOSB and 8(a) set-aside category. MILCON and VA major construction projects routinely set aside under 236220.
Companies that most frequently appear as prime awardees under NAICS 236220 for FY2024. Drawn from USAspending.gov public award records — verify currency at the live link below.
Frequently flowed-down clauses on contracts in this NAICS. The clause text on acquisition.gov is authoritative; this list captures the practical pattern, not an exhaustive flowdown.
Davis-Bacon Act applies to all federal construction over $2,000. Wage determination must be in the contract.
Standard construction risk-allocation clause for unknown subsurface or latent physical conditions.
OSHA and EM 385-1-1 (Corps Safety Manual) flowdown on Corps work.
Domestic preference for construction materials on federal projects.
Construction limitation: prime self-performs at least 15% of cost (general construction) on set-aside awards.
Construction firms recover equipment cost via USACE EP 1110-1-8 ownership and operating rates on Corps work. Job-site indirect (field overhead) is separate from home-office overhead. G&A on subcontract dollars is often capped by negotiation. Bond and insurance costs flow direct.
See FieldLedger's Indirect Rate Engine for pool definition and rate tracking, or read the FieldLedger methodology for the underlying FAR Part 31 framework.
Equipment costing under USACE EP 1110-1-8 is the central FieldLedger feature for this NAICS. Multi-CLIN invoicing maps to construction pay applications. Project P&L tracks job costs against funded value. Davis-Bacon compliance via signed timekeeping.
Snapshot date: 2026-05-08 (FY2024 reporting period). Federal-obligation bands and prime-contractor lists reflect the data as of the snapshot — refresh against USAspending.gov for current figures.