Original sentence: In 1995 the project was strengthened with BP, Brown and Root and Elf Aquitaine and in 1997 Intergraph, IBM, Oracle, Lloyd's, Shell, ABB and UMOE Technologies joined the project
Edited sentence: In 1995 the project was joined by BP, Brown and Root and Elf Aquitaine and in 1997 by Intergraph, IBM, Oracle, Lloyd's, Shell, ABB and UMOE Technologies