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Diamond Diesel Fuel Polishing, LLC is a leader in Diesel Fuel Management, Preventative Maintenance, Diesel Fuel Polishing & Diesel Fuel Testing.
You can be assured of our professionalism.
Our employees are uniformed, clean & knowledgeable.
We are fully licensed and insured.
Our systems & safety procedures protect not only your equipment but the environment as well.

We follow all EPA guidelines & properly dispose of all waste fuel & filters at an EPA certified waste recycling facility.

Paul Dunnam - Owner Marine Electronics Fiberglass Repair/Painting Marine Travel Lift A/C Repair & Installation Engine Repair - Gas & Diesel

Hartman Yacht Maintenance is a mobile marine maintenance and repair service company, founded in Miami-Dade County, Florida in 1990. We are a complete mobile yacht maintenance company that sends technicians to vessels at the dock that can identify and take care of systems checks, repairs on all yacht/boat systems including electrical, electronic, mechanical, engines of all types, generators, toilets - fresh, gray and black water, hydraulics as well as cleaning, waxing and underwater maintenance. Hartman Yacht Maintenance serves South Florida from our locations in Miami, Fort Lauderdale, and West Palm Beach.