What is the SBA size standard for NAICS 237120?

The SBA size standard for NAICS 237120 (Oil and Gas Pipeline and Related Structures Construction) is $45 million in average annual receipts, per 13 C.F.R. § 121.201.

Which federal agencies buy under NAICS 237120?

For FY2024 reporting, the leading federal customers under NAICS 237120 were Defense Logistics Agency, Department of Defense, U.S. Army Corps of Engineers, Department of the Interior, Department of Energy. Live obligation data is available on USAspending.gov.

What FAR or DFARS clauses commonly apply to NAICS 237120 contracts?

Frequent clause flowdowns include FAR 52.222-6 (Construction Wage Rate Requirements); FAR 52.236-2 (Differing Site Conditions); FAR 52.236-13 (Accident Prevention); FAR 52.225-9 (Buy American — Construction Materials); DFARS 252.225-7001 (Buy American and Balance of Payments Program). Each contract instrument will incorporate clauses by reference under FAR 52.252-2; this list reflects the high-frequency set for this NAICS, not an exhaustive flowdown.

Construction

NAICS 237120 — Oil and Gas Pipeline and Related Structures Construction

Pipeline construction for oil, gas, and refined products. Federal use is narrower than civilian: DoD fuel infrastructure (DLA Energy), military base fuel systems, and federal-lands pipeline permits.

Quick facts

SBA size standard: $45 million; Average annual receipts · 13 C.F.R. § 121.201
FY2024 federal obligations: $100M–$500M; See live USAspending.gov data →

Top federal customers

Federal agencies that obligate the most spending under NAICS 237120 (FY2024 reporting period). Order tracks federal-obligation volume on USAspending.gov.

1.Defense Logistics Agency
2.Department of Defense
3.U.S. Army Corps of Engineers
4.Department of the Interior
5.Department of Energy

Set-aside fit

Whether NAICS 237120 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.

SDVOSB (Service-Disabled Veteran-Owned Small Business)
8(a) Business Development Program
HUBZone Small Business
WOSB / EDWOSB
VOSB (Veteran-Owned Small Business)

Limited federal pipeline volume, but DLA Energy fuel-system MILCON does run set-asides. Specialized welder qualifications often a solicitation requirement.

Frequent prime contractors

Companies that most frequently appear as prime awardees under NAICS 237120 for FY2024. Drawn from USAspending.gov public award records — verify currency at the live link below.

Quanta Services
MasTec
Henkels & McCoy
Primoris Services
Michels Corporation
Bechtel
Kiewit Corporation
Sheehan Pipe Line Construction
Latoka
Price Gregory

See live award data on USAspending.gov →

Common FAR / DFARS clauses

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.

FAR 52.222-6Construction Wage Rate Requirements
Davis-Bacon heavy-construction wage determinations apply to pipeline work.
FAR 52.236-2Differing Site Conditions
Trenching and right-of-way subsurface risk.
FAR 52.236-13Accident Prevention
Welding, hot-work, and confined-space safety flowdowns.
FAR 52.225-9Buy American — Construction Materials
Domestic preference enforced strictly on pipe and valves.
DFARS 252.225-7001Buy American and Balance of Payments Program
DoD-specific Buy American flowdown for fuel-system construction.

Indirect rate considerations

Heavy equipment recovery via USACE EP 1110-1-8 on Corps task orders. Welding consumables and pipe pass-through need materials-handling. X-ray and NDE testing flows 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.

How FieldLedger fits NAICS 237120

Equipment costing. Multi-CLIN invoicing. Project P&L for fuel-system MILCON job tracking. Davis-Bacon via signed timekeeping.

DCAA compliance →Indirect Rate Engine →DCAA readiness check →

Frequently asked

What is the SBA size standard for NAICS 237120?: The SBA size standard for NAICS 237120 (Oil and Gas Pipeline and Related Structures Construction) is $45 million in average annual receipts, per 13 C.F.R. § 121.201.
Is NAICS 237120 eligible for SDVOSB, 8(a), HUBZone, or WOSB set-asides?: Set-aside programs that commonly apply: SDVOSB, 8(a), HUBZone, WOSB, VOSB. Limited federal pipeline volume, but DLA Energy fuel-system MILCON does run set-asides. Specialized welder qualifications often a solicitation requirement.
Which federal agencies buy under NAICS 237120?: For FY2024 reporting, the leading federal customers under NAICS 237120 were Defense Logistics Agency, Department of Defense, U.S. Army Corps of Engineers, Department of the Interior, Department of Energy. Live obligation data is available on USAspending.gov.
What FAR or DFARS clauses commonly apply to NAICS 237120 contracts?: Frequent clause flowdowns include FAR 52.222-6 (Construction Wage Rate Requirements); FAR 52.236-2 (Differing Site Conditions); FAR 52.236-13 (Accident Prevention); FAR 52.225-9 (Buy American — Construction Materials); DFARS 252.225-7001 (Buy American and Balance of Payments Program). Each contract instrument will incorporate clauses by reference under FAR 52.252-2; this list reflects the high-frequency set for this NAICS, not an exhaustive flowdown.
What indirect-rate structure works for a federal contractor in NAICS 237120?: Heavy equipment recovery via USACE EP 1110-1-8 on Corps task orders. Welding consumables and pipe pass-through need materials-handling. X-ray and NDE testing flows direct.
How does FieldLedger help small federal contractors in NAICS 237120?: Equipment costing. Multi-CLIN invoicing. Project P&L for fuel-system MILCON job tracking. Davis-Bacon via signed timekeeping.

Sources

U.S. Census NAICS manual — census.gov/naics
SBA size-standards table — 13 C.F.R. § 121.201 (eCFR)
Federal obligations + prime awardees — USAspending.gov NAICS 237120
FAR / DFARS clause text — acquisition.gov

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.