- Dario Ulloa F. Co .,Ltd
- gilsonite.
- Address:kr. 7B No. 145 - 25 ap. 203 Bogota, Cundinamarca
- Colombian Gilsonite
- Gilsonite, Bitumen.
- Address:CLL 42# 35-09
- Natural Gilsonite
- GILSONITE.
- Address:
- Danilo Antonio Gonzalez & CIA LTDA
- Asphalts,Lignites,Gilsonite,Bitumen.
- Address:Crr 38 A 4-21
- Business Group Corp
- Coking coal, thermal coal, coal coke, tantalite, gilsonite, iron ore, sugar, sunflowerseeds, mines coal.
- Address:Calle 18 15-78 ofc. 401 Bogota Cundinamarca 7321 Colombia
1