# NAICS 488310: Port and Harbor Operations

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [488310 Port and Harbor Operations](https://bidrover.com/naics/488310)

This industry comprises establishments primarily engaged in operating ports, harbors (including docking and pier facilities), or canals.

- NAICS code: 488310
- Title: Port and Harbor Operations
- Sector: 48-49 Transportation and Warehousing
- Subsector: 488 Support Activities for Transportation
- Industry group: 4883 Support Activities for Water Transportation
- SBA size standard: $47 million average annual receipts
- Open bids on BidRover: 0

## Open bids (0)

No open bids cite this code right now.

## Frequently asked questions

### What is NAICS code 488310?

NAICS 488310 is "Port and Harbor Operations" in the 2022 North American Industry Classification System, in sector 48-49 (Transportation and Warehousing). This industry comprises establishments primarily engaged in operating ports, harbors (including docking and pier facilities), or canals.

### What is the SBA size standard for NAICS 488310?

A business is small under NAICS 488310 at or below $47 million average annual receipts, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 488310?

No open bid in BidRover cites NAICS 488310 right now. Many state and local notices do not list a NAICS code, so a keyword alert for this work catches more of them.

### How do I get alerts for NAICS 488310 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [488320 Marine Cargo Handling](https://bidrover.com/naics/488320)
- [488330 Navigational Services to Shipping](https://bidrover.com/naics/488330)
- [713930 Marinas](https://bidrover.com/naics/713930)
- [488390 Other Support Activities for Water Transportation](https://bidrover.com/naics/488390)

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Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.