T SQL/ Reporting Question
This should address the jist of your question.  You will need to check the aggregation to make sure it is appropriate for the data, though at a quick glance everything seemed to be good with SUM or Group.  You may want to replace the CTE with a real table as well.

;WITH
LLCCustNameMapping AS (
    SELECT * FROM (VALUES
        ('Wine Group', 'Other/Us Direct')
    )V(From, To)
)

  SELECT  [LoadDate]
       ,[Company]
       ,CASE WHEN [ReportGroup] = 'Germany' THEN 'Direct Germany' ELSE ReportGroup END AS ReportGroup
       ,[ShipToCountryCode]
       ,IsNull(map.To,  [LLCCustName]) [LLCCustName]
       ,SUM([TodayGrossSalesUSD]) [TodayGrossSalesUSD]
       ,SUM([TodayGrossSalesEURO]) [TodayGrossSalesEURO]
       ,SUM([CurrMonthInvoiceUSD]) [CurrMonthInvoiceUSD]
       ,SUM([CurrMonthInvoiceEURO]) [CurrMonthInvoiceEURO]
       ,SUM([CurrMonthShipUSD]) [CurrMonthShipUSD]
       ,SUM([CurrMonthShipEURO]) [CurrMonthShipEURO]
       ,SUM([CurrMonthBudgetUSD]) [CurrMonthBudgetUSD]
       ,SUM([CurrMonthBudgetEURO]) [CurrMonthBudgetEURO]
       ,SUM([CurrMonthLinearUSD]) [CurrMonthLinearUSD]
       ,SUM([CurrMonthLinearEURO]) [CurrMonthLinearEURO]
       ,SUM([LastYearCurrMonthUSD]) [LastYearCurrMonthUSD]
       ,SUM([LastYearCurrMonthEURO]) [LastYearCurrMonthEURO]
       ,SUM([LastYearCurrMonthLinearUSD]) [LastYearCurrMonthLinearUSD]
       ,SUM([LastYearCurrMonthLinearEURO]) [LastYearCurrMonthLinearEURO]
       ,SUM([TodayOrderIntakeUSD]) [TodayOrderIntakeUSD]
       ,SUM([TodayOrderIntakeEUR]) [TodayOrderIntakeEUR]
       ,SUM([TodayVolume]) [TodayVolume]
       ,SUM([CurrMonthInvoiceVolume]) [CurrMonthInvoiceVolume]
       ,SUM([CurrMonthShipVolume]) [CurrMonthShipVolume]
       ,SUM([CurrMonthBudgetVolume]) [CurrMonthBudgetVolume]
       ,SUM([CurrMonthLinearVolume]) [CurrMonthLinearVolume]
       ,SUM([LastYearCurrMonthVolume]) [LastYearCurrMonthVolume]
       ,SUM([LastYearCurrMonthLinearVolume]) [LastYearCurrMonthLinearVolume]
       ,SUM([TodayOrderIntakeVolume]) [TodayOrderIntakeVolume]
       ,SUM([NextMonthVolume]) [NextMonthVolume]
       ,SUM([NextMonthGrossSalesUSD]) [NextMonthGrossSalesUSD]
       ,SUM([NextMonthGrossSalesEURO]) [NextMonthGrossSalesEURO]
       ,SUM([LastYearCurrMonthAsOfVolume]) [LastYearCurrMonthAsOfVolume]
       ,SUM([LastYearCurrMonthAsOfUSD]) [LastYearCurrMonthAsOfUSD]
       ,SUM([LastYearCurrMonthAsOfEURO]) [LastYearCurrMonthAsOfEURO]
       ,SUM([CurrMonthForecastVolume]) [CurrMonthForecastVolume]
       ,SUM([CurrMonthForecastUSD]) [CurrMonthForecastUSD]
       ,SUM([CurrMonthForecastEURO]) [CurrMonthForecastEURO]
       ,DayType
  FROM [BI_DB].[dbo].[DailySummary] s
    LEFT JOIN LLCCustNameMapping map ON s.LLCCustName = map.From
  WHERE [LLCCustName] IN ('Wine Group', 'Other/Us Direct')
  GROUP BY [LoadDate]
       ,[Company]
       ,CASE WHEN [ReportGroup] = 'Germany' THEN 'Direct Germany' ELSE ReportGroup END AS ReportGroup
       ,[ShipToCountryCode]
       ,IsNull(map.To,  [LLCCustName]) [LLCCustName]
       ,DayType