PSMH Under the old business model, operations were conducted by PSMH's wholly-owned subsidiary, PrimeSource Mortgage, Inc. (PSMI), through 30 independently operated branch offices located in 17 states, primarily in the southwestern states of New Mexico , Oklahoma , and Texas , under an Independent Network Office Agreement. Theis exclusive agreement provided that PSMI shares commissions with branch offices, PSMI received a $500 to $550 flat fee per loan closed.