NAICS 488330 — Navigational Services to Shipping: federal contracts

2 open federal contract opportunities classified under NAICS 488330 (Navigational Services to Shipping) on SAM.gov, refreshed nightly.

2open solicitations
$131.0Mobligated, last 24 months
$345Kmean contract action
24contracts ending within 18 months

Open solicitations

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Who buys NAICS 488330

Who wins NAICS 488330 work

ContractorObligations, 24 moAwards
ALPHA MARINE SERVICES LLC$61.4M3
POLE STAR SPACE APPLICATIONS USA INC$33.9M8
MCALLISTER TOWING AND TRANSPORTATION COMPANY, INC.$4.5M19
MARINE EXCHANGE OF ALASKA, INC.$3.7M2
DUNLAP TOWING COMPANY$3.2M5
CABRAS MARINE CORPORATION$2.8M11
OKINAWA MARINE SERVICE CO.,LTD.$2.6M47
VIRGINIA PILOT ASSOCIATION$2.3M18
FOSS MARITIME COMPANY, LLC.$2.2M6
MATSON NAVIGATION COMPANY, INC.$2.1M1

NAICS 488330 contracts expiring in the next 18 months

24 contracts worth $82.1M. The largest:

IncumbentBuyerWhatValueEndsEst. solicitationRecord
ALPHA MARINE SERVICES LLCCoast Guard488330 Navigational Services to Shipping$27.3M14 November 2026Now / imminentDetails
POLE STAR SPACE APPLICATIONS USA INCCoast Guard488330 Navigational Services to Shipping$16.8M (2 orders)29 July 2027~Q1 2027Details
CABRAS MARINE CORPORATIONNavy488330 Navigational Services to Shipping$14.5M27 February 2027Now / imminentDetails
THAMES TOWBOAT CO INCNavy488330 Navigational Services to Shipping$11.8M30 June 2027~Q1 2027Details
MARINE EXCHANGE OF ALASKA, INC.Coast Guard488330 Navigational Services to Shipping$3.6M29 March 2027Now / imminentDetails
CABRAS MARINE CORPORATIONNavy488330 Navigational Services to Shipping$1.5M28 April 2027Now / imminentDetails
LAKEWORKS LLCForest Service488330 Navigational Services to Shipping$1.1M31 December 2027~Q3 2027Details
MCLEAN CONTRACTING COMPANYCoast Guard488330 Navigational Services to Shipping$900K11 March 2027Now / imminentDetails
DUNLAP TOWING COMPANYNavy488330 Navigational Services to Shipping$860K31 December 2026Now / imminentDetails
DUNLAP TOWING COMPANYNavy488330 Navigational Services to Shipping$857K31 December 2026Now / imminentDetails

Every expiring NAICS 488330 contract →

Contracts and task orders from USASpending.gov (FPDS) whose period of performance ends within 18 months, valued at $25K or more, excluding IDIQ ceilings and government-owned, contractor-operated facility contracts. Co-terminous orders from the same vendor, agency, NAICS and PSC ending in the same month are grouped. The solicitation date is an estimate (about six months before the contract ends): FedSift does not know whether a follow-on has been posted, so check SAM.gov.

Open solicitations by set-aside

Set-asideOpen
Unrestricted (full and open)2

From the set-aside SAM.gov declares on each open notice.

Who counts as small under this code

FedSift does not hold the SBA size standard for NAICS 488330. Check SBA's table of size standards before relying on small-business status.

Each solicitation carries exactly one NAICS code, and that code — not a related one in the same family — decides who counts as small.

One code, chosen by the contracting officer, decides who counts as small. A related code in the same family does not qualify you, and the assignment itself can be appealed to SBA OHA.

Source: FAR 19.102, current as of 07 August 2026 · eCFR.

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Source data: SAM.gov (solicitations) and USASpending.gov (awards), refreshed nightly. FedSift is not affiliated with the U.S. Government.

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