Roseland Oil & Gas Share: Oil & Gas - Services Roseland Oil & Gas Visit Website 1276 FM 49 Gilmer, TX 75644 (903) 787-7544 LinkedIn Facebook Twitter Hours: Monday- Friday 8am - 5pm About Map About Roseland Oil & Gas organizes Conventions, Charity Cook Offs, & Tournaments with your company in mind! We aim to put Buyers & Sellers Together in a fun atmosphere to network and generate leads!! What's Nearby? Distance: 5 10 15 20 25 50 mi.