Let us service your heating system, deliver your fuel and keep your water flowing! Two plumbing contractors - residential and commercial plumbing in st petersburg and brooksville, florida. Thanks for printing! don't forget to come back to cross and sons plumbing for fresh articles! As mentioned above we are a locally owned full service plumber the following are some of the main categories of services that we offer. Let’s face it, your boiler isn’t the most glamorous piece of domestic equipment.