Costin Welding and Fabrication

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Costin Welding and Fabrication We are a welding shop that specializes in marine fabrication. From aluminum gangways to custom marine fuel tanks we have you covered.

Got this done just in time for a much needed vacation after a busy summer. This one had some setbacks and challenges but...
09/03/2026

Got this done just in time for a much needed vacation after a busy summer. This one had some setbacks and challenges but we got through it. We provided all the drawings, structural and misc steel in this project.

Two hydraulic tanks for a commercial boat pressure tested and ready for pickup.
01/25/2026

Two hydraulic tanks for a commercial boat pressure tested and ready for pickup.

Simple aluminum rail installed before the snow hits.
01/24/2026

Simple aluminum rail installed before the snow hits.

300 gallon tank for a local lobster boat. About 150feet of welding on this big tank.
01/20/2026

300 gallon tank for a local lobster boat. About 150feet of welding on this big tank.

Winter special! 10% off all gangways purchased the month of December! Now is the time to order a new ramp to guarantee a...
11/30/2025

Winter special! 10% off all gangways purchased the month of December! Now is the time to order a new ramp to guarantee a spring delivery.

Custom fuel tank fabrication is our area of expertise. Our facility specializes in constructing custom marine fuel tanks...
10/11/2025

Custom fuel tank fabrication is our area of expertise. Our facility specializes in constructing custom marine fuel tanks and aluminum products. We work closely with the USCG, providing all necessary drawings, engineering, and testing for a certified and inspected vessel.

We also manufacture tanks for recreational boats, fuel transfer tanks forr trucks and offer custom fabrication services. Our shop is located in Eliot, Maine, and we offer local delivery and nationwide shipping. Now is the perfect time to build a custom tank.

With summer winding down now is the perfect time to order a new gangway, pier or shore steps for next year. Our schedule...
08/31/2025

With summer winding down now is the perfect time to order a new gangway, pier or shore steps for next year. Our schedule fills up quickly over the winter for spring deliveries. Don’t get stuck scrambling to find a ramp in the spring or early summer next year.

Contact us today for custom aluminum tanks. We specialize in tanks for USCG certified and inspected vessels and provide ...
08/01/2025

Contact us today for custom aluminum tanks. We specialize in tanks for USCG certified and inspected vessels and provide all the necessary drawings, engineering and testing.

We have a 3’x32’ gangway in stock and ready to go. Delivery available.
07/19/2025

We have a 3’x32’ gangway in stock and ready to go. Delivery available.

05/20/2025

Coolant expansion tank for a commercial fishing boat.

Address

Eliot, ME

Telephone

+16035318214

Website

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