I don't believe the two Canyon companies were related. The deck boat company was around in the early 1990s. They had three models, a 21, 24 and 28. They were real low profile deck boats. Yes, they were tunnels. They usually had a radar arch on them that doubled as part of the bimini top. They changed the name to Silhoutte in the mid 90s. They were built in Arizona. I believe they went out of business by 95 and the molds were sold to a San Diego company that also used the Silhoutte name. It too was short lived. I hope that helps.