Blue Nose Clipperships was likely named after the Canadian fishing and racing schooner Bluenose who won the international fisherman’s trophy 1921-1930s
According to the fluff going with the Liberty JumpShip, the Blue Nose Clipperships corporation came about when Blue Nose Interstellar Technologies merged with Deimos Clipperships.
I'd guess any acronym that doesn't have obvious parts is just some family names. If I were more familiar with Macross I might try to guess what those names might be.
My not so serious answers...Big Badass Products.Prior to Handbook House Steiner, I'd just say The Aerospace Group. Or Those Awesome Guys.Dynamico just sounds like one of those silly made up names we already get in real life: "Dynamico- the Best Dynamic Corporation in the Inner Sphere!"
Given the connection between Ioto and Iwo Jima, it's a fair guess that Henderson yards were named for the Henderson (air)Field on Guadalcanal, and likewise, Port Sydney for Sydney Harbor. Guess I ought to brush up on the Pacific Theater.