* Atlantic Residential Mortgage, a subsidiary of The Bank of Baltimore, recently opened its 13th office in The Carob Building, 7131 Liberty Road, Suite 204, Baltimore. ARMCO originates, packages, sells and services residential mortgages in Maryland, Delaware, Virginia and North Carolina.

* Bernett and Jackson Realty, of Baltimore, said its president, H. Bernie Jackson, has been appointed to the National Advisory Council of the Federal National Mortgage Association.

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