Integrity in Real Estate Services ® NDG is an award-winning, boutique commercial real estate brokerage and development firm, specializing in investment properties, historical conversions and complex financial transactions, frequently involving tax credits, grants, TIFs and similar entitlements. Projects include commercial, office, retail, multi-family and mixed uses. NDG is a Milwaukee-certified EBE/SBE (Emerging/Small Business Enterprise) firm providing highly creative and customized real estate, brokerage, development and asset management services in the SE Wisconsin region.