Marshall Underwater Industries, Inc.

Manufactures and sells standard and custom neoprene molded underwater pluggable connectors capable of being mated submerged in a de-energized condition. Ideal for low voltage applications such as sonar, temperature and current instrumentation, battery packs, cameras and lighting.

Voltage/amperage ratings of 115V/7.5A and 230/15A
Products pressure rated from 10,000 to 20,000 psig.

We have been involved in all facets of this product since 1966.


“Experience Builds a Better Product”


Phone (515) 549-3570
2nd Phone (515) 549-3550

2594 2nd Street
Moorland, IA 50566