equipment design and fabrication

Fenn Enterprises specializes in hydrographic surveys, including sidescan sonar surveys, derelict fishing gear and marine debris surveys, remote operated vehicles, and diving services. Owner Crayton Fenn has over 25 years of sidescan sonar survey experience and has surveyed an estimated 20,000 linear miles. The company designs and fabricates specialized equipment such as sonar towfish systems, winches, and hydraulic manipulators.

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deep/technical divingdredgesgravity coreshydrographic surveysmagnetometersnet removalremote operated vehiclesscanning sonarsseismic reflectionsidescan sonar surveysstill and video photographysub-bottom profilersunderwater acoustic trackingvibrocore

Fisher Industries is a family of businesses encompassing all aspects of the aggregate production and heavy civil construction industries. Its vertically-integrated business model handles small projects and large-scale operations. The parent company, Fisher Sand & Gravel Co., was founded in rural North Dakota in 1952 by Gene Fisher. Services include concrete, asphalt, drilling, blasting, paving, and various aggregate products, as well as bridges, levees, roads, and walls.

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aggregate processingasphalt and concrete recyclingblastingdrillingheavy civil constructionpavingportable crushing