NAICS Code for Heavy Civil Construction
The official U.S. Census 2022 NAICS classification representing Heavy Civil Construction is primary NAICS code 237990 (Other Heavy and Civil Engineering Construction).
NAICS Classification Details
| NAICS Code | 237990 |
|---|---|
| Official Title | Other Heavy and Civil Engineering Construction |
| Primary SIC Equivalent | 1629 - Heavy Construction NEC |
| SBA Size Standard | $45.00 Million (Basis: Receipts) |
| Census Definition | This industry comprises establishments primarily engaged in heavy and civil engineering construction projects (excluding highway, street, bridge, and distribution line construction). The work performed may include new work, reconstruction, rehabilitation, and repairs. Specialty trade contractors are included in this industry if they are engaged in activities primarily related to heavy and civil engineering construction projects (excluding highway, street, bridge, distribution line, oil and gas structure, and utilities building and structure construction). Construction projects involving water resources (e.g., dredging and land drainage), development of marine facilities, and projects involving open space improvement (e.g., parks and trails) are included in this industry. |
Alternate and Sub-Industry Mappings
Depending on specific business functions, your organization may also fall under these alternate classifications:
No alternate NAICS codes mapped.
Frequently Asked Questions
What is the primary NAICS code for Heavy Civil Construction?
The official NAICS code representing Heavy Civil Construction is 237990. The standard industry title is 'Other Heavy and Civil Engineering Construction' under the 2022 Census classifications.
What is the equivalent SIC code for Heavy Civil Construction?
The primary Standard Industrial Classification (SIC) code equivalent for Heavy Civil Construction is 1629, officially titled 'Heavy Construction NEC' in the 1987 OSHA manual standard.
Are SBA size standards applicable to NAICS code 237990?
Yes, companies operating under NAICS code 237990 are evaluated under SBA size standards to determine small business status. The active standard is $45.00 Million (Basis: Receipts).