Hi Paul, I am sorry, I just discovered your message. The arch was on the boat when I bought it, so I don't know where it came from. I don't know where you are located, but i just attended the Portland (Oregon) boat show and there was an exhibitor that specializes in after-market arches. If you Google the PDX boat show, find that vendor and it should lead you to others in different markets. I do think the arch is a great addition to the boat, bot in looks and functionality. Good luck. When I pull Lanikai our of storage, I will look closely to see if there is manufacturer's stamp on the arch and send you that information. Best regards, Mike