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Semper Offshore LLC Federal Contracts

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UEIUEI: the 12-character ID the government gives every company registered for federal work. It replaced the DUNS number in April 2022. Glossary HJ8BVDGH4LG9· CAGECAGE code: a 5-character code that identifies one company location for federal work. A company with several sites can have several. Glossary 8M0H2· WINCHESTER, MA· Active registration until Jun 18, 2027· www.semperoffshore.com (opens in a new tab)

Overview

Buyers and offices that award Semper Offshore prime contracts, US$, active FY2021–FY2026

Obligated since award on contracts active FY2021–FY2026

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Buyers (sub-agency)OfficesThis companyNational Oceanic andAtmosphericAdministration$1.92MDEPT OF COMMERCE NOAA (1305M3)$1.63M · National Oceanic and Atmosphe…DEPT OF COMMERCE NOAA (1305M2)$287K · National Oceanic and Atmospheri…Semper Offshore LLC$1.92M
Awards toSubcontracts toCircle area = dollars

Insight DEPT OF COMMERCE NOAA (1305M3) is its largest buyer. See more on the Buyers tab

2 buying offices

Prime contract obligationsObligation: money the government has legally committed to a contract. It is not the same as money paid. Example: $6M obligated of a $10M ceiling. Glossary, FY2020–FY2026

$2.02M

Subcontracts it received

$1.14M

from 2 primes

About

From the company's SBA profile, updated Jun 2026

Semper Offshore operates commercial vessels that perform many types of marine services; marine construction, scientific and military research, geophysical survey work. Semper Offshore has extensive experience working with global companies including Orsted, Excelerate Energy, WHOI, Engie, General Dynamics, Raytheon, USGS, Navy-NUWC, Tetra Tech, and JHU-Applied Sciences. Our vessels are operated by the best trained crew available. Each with years of experience on many highly complex projects along the eastern seaboard. We operate under a unique Management System that maintains the highest standards for safety, environment, and quality. Our vessels are outfitted to meet SOLAS standards and are USCG certified. They are also inspected by ABS, OVID, and CMID. Semper is based in Charlestown, MA where we have shore support for dockage, crane service, warehousing, and staging facilities. We have partnered with other shore facilities in MA, Rhode Island, Connecticut, NY, NJ, and Virginia.

Prime contract obligations by fiscal year, US$, FY2020–FY2026

Agencies report with a delay; the latest year will rise

Hover over a year to see its value.

FY20FY21FY22FY23$796KFY24−$93K

Insight Largest year: $796K in FY2023. See more on the Contracts tab

Prime obligations since award by state of performance, US$, contracts active FY2021–FY2026

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AKMEVTNHWAIDMTNDMNILWIMINYRIMAORNVWYSDIAINOHPANJCTCAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFLPR
  1. Massachusetts$1.92M · 100%
Circle area = dollarsOutlined: head office state (Massachusetts)

Insight 100% was performed in Massachusetts. See more on the Contracts tab