I have to recommend Sterlingwear, I went to an army/navy store in the city about two months ago to look at pea coats, and the owner pulled out a Schott and a Sterlingwear to show me the difference in quality and I was quite surprised with the low quality of Schott, especially when I hear a lot of people talking about how great they are... Much more stitching in the Sterlingwear, they know what they are doing since they make Navy regulation. The owner of the store told me that Sterlingwear had just recently started selling to the public, and that when they did go public, they had to "dumb down" some of their coats to compete with Schott.
Both make tall sizes, I'm about 6'2" or 6'3" and the 38 long is perfect on me, I probably could squeeze into a 36. I do know that Sterlingwear charges more for extra long, and I think Schott makes talls, but I think they only do XL tall sizes. Try contacting Sterlingwear, the customer service is great, when I talked to them they said if they didn't have my size they would make it for me that day...maybe they could add a few inches for you.