Business Listings in Marshalltown Directory Category <Any>ConsultingFinancial Services GREEN LIGHT BUSINESS CONSULTANCY MARKETING Gauteng , Johannesburg , Marshalltown , 130 main street Boston Building 4th floor office 401 , 0083 Real business transformation is never, ever a paper exercise. Absa Group Limited Gauteng , Johannesburg , Marshalltown , 7th Floor Absa Towers West 15 Troye Street , 2001 Absa Group Limited is one of South Africa's largest financial services organisations serving private, commercial and corporate customers.