if row["awarding_agency_code"] is None or len(row["awarding_agency_code"].strip()) < 1:
                awarding_subtier_agency_id = subtier_agency_map[row["awarding_sub_tier_agency_c"]]
                awarding_toptier_agency_id = subtier_to_agency_map[awarding_subtier_agency_id]["toptier_agency_id"]
                awarding_toptier_code = toptier_agency_map[awarding_toptier_agency_id]
                row["awarding_agency_code"] = awarding_toptier_code