Guam Harbor Tugs Time Charter Inactive Notice ID:PM4-23-003 See Sources Sought PM4-23-003 attached. Department/Ind.Agency Subtier Office DEPT OF DEFENSE DEPT OF THE NAVY MSC NORFOLK NAICS 488330 - Navigational Services to Shipping PSC MARINE CHARTER FOR THINGS LOCATION: Show Links & Attachments Links () Attachments () Data sourced from SAM.gov. View Official Posting »