WorkVenture gives you an inside look at what it's like to work at ASPEN RESEARCH GROUP LTD., office & team photos, reviews and more. This is the ASPEN RESEARCH GROUP LTD. Company Page. All content is posted anonymously by employees currently or previously working at ASPEN RESEARCH GROUP LTD..Apply to Thai PetroleumApply to Sahamongkol FilmApply to Poon SistersApply to GRE Composites