SIC Code for Heavy Civil Construction
The official Standard Industrial Classification (SIC) code representing Heavy Civil Construction is primary SIC code 1629 (Heavy Construction NEC).
SIC Classification Details
| SIC Code | 1629 |
|---|---|
| Official Title | Heavy Construction NEC |
| Mapped NAICS Equivalent | 237990 - Other Heavy and Civil Engineering Construction |
| OSHA Grouping | Division Division C: Construction · Major Group Major Group 16: Heavy Construction - Other Than Building Construction Contractors |
Alternate and Sub-Industry Mappings
Depending on specific business functions, your organization may also fall under these alternate classifications:
No alternate SIC codes mapped.
Frequently Asked Questions
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.
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.
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).