John Winther-PoulsenA & H SELSKABET ApS, A & H SELSKABET ApS, Lauritz Hannibal VVS & Teknik A/S, Lauritz Hannibal VVS & Teknik A/S, REFLEX DK ApS, DUCON - RCV ApS, DUCON - RCV ApS, WIDANCO ENGINEERING ApS, WIDANCO ENGINEERING ApS, CONTHERM ENGINEERING A/S