This means that you'll be able to search for NAICS codes directly (if that's your jam). We'll do the math; let's make better data on public procurement together.
Possible NAICS Codes
488320 – Marine Cargo Handling
488390 – Other Support Activities for Water Transportation
488310 – Port and Harbor Operations
484210 – Used Household and Office Goods Moving
488510 – Freight Transportation Arrangement