VOTEC was an air taxi company in Brazil in the '60s-'80s. From the Portugese "VÔos TÉCnicos e regionais", or "regional and technical flights", they served offshore oil rigs and such.
This is my livery based on photos, using BeeKay's excellent Sikorsky H34, you can download it here: https://flightsim.to/file/25096/native-helicopter-sikorsky-h34