LATINO FINANCE: A new list of the nation's 500 biggest Latino-owned companies includes four local businesses. . . . Film Roman, a North Hollywood TV animation studio that rang up $25 million in sales last year, came in 86th. Ranked 188th was Felix Corp., a Van Nuys industrial pipe maker. Ram Enterprises Inc., a Valencia aerospace component firm, was 203rd, and building contractor R&R; Masonry Inc. in North Hollywood ranked 226th. The list is compiled by Hispanic Business magazine.