Roseland Oil & Gas - Your Industry Connection Roseland Conventions are dedicated to bringing oil and gas professionals together in an environment ideal for making the best business deals. We promote our events with attendees in mind. We don't simply sell space in the show and hope people show up, we focus on the products and services that can be found at the show. Our goal is to provide the attendee with a REASON to want to be there by advertising YOUR products and services. We put BUYERS and SELLERS together.