1. ANSI/ISA S95.00.01, (2000) Enterprise-control system integration – Part 1: Models and terminology. ISA, Raleigh, North Carolina, U.S.A
2. ANSI/ISA S95.00.02, (2001) Enterprise-control system integration – Part 2: Object model attributes. ISA, Raleigh, North Carolina, U.S.A
3. ANSI/ISA S95.00.03, (2005) Enterprise-control system integration – Part 3: Activity models for manufacturing operations management. ISA, Raleigh, North Carolina, U.S.A
4. IEC 62264-1, (2003) Enterprise-control system integration – Part 1: Overview and model terminology. IEC, Geneva, Switzerland
5. IEC 62264-2, (2004) Enterprise-control system integration – Part 2: Data objects and attributes. IEC, Geneva, Switzerland