Professional marine repair built to ABYC standards — Columbia, TN shop plus mobile service
From electrical upgrades to fiberglass repair, we keep Middle Tennessee boaters on the water. Shop service in Columbia plus mobile and emergency service.
Complete marine electrical system design, installation, and troubleshooting. LiFePO₄ conversions, charging upgrades, and more.
Structural and cosmetic fiberglass repair. From minor gelcoat damage to more significant repairs done properly.
Systematic leak detection and repair. We find the source, not just where water ends up, and fix it correctly.
Marine generator maintenance, repair, and troubleshooting. Keep your onboard power reliable.
Navigation, electronics, maintenance, and more.
NMEA 2000, chartplotters, AIS, radar, autopilot, and instrument installation. Modern electronics done right.
Learn MoreGalvanic corrosion prevention, bonding system inspection and repair, and zinc/anode management.
Learn MoreNeed service outside normal hours? We offer afterhours appointments at the marina or our Columbia shop.
Winterization, spring commissioning, and seasonal prep. Protect your boat year-round.
Learn MoreBattery testing, alternator output checks, and shore power diagnostics. Keep your electrical system reliable.
Winch servicing, mast inspection and cleaning, electrical connection checks aloft, and running rigging maintenance.
Marine electrical work isn't the same as household wiring. Salt water, vibration, and the consequences of failure demand a higher standard.
TwinCraft is an ABYC member organization. All our marine electrical work follows ABYC (American Boat and Yacht Council) standards — the industry benchmark for safety and reliability. This means:
Tell us about your boat and what you need. We'll get you back out there.