Primary references

Sources and standards

Standards-sensitive claims are grounded in primary standards organizations and recognized manufacturing-operations bodies.

ISA‑95 / IEC 62264

  • International Society of Automation — ISA‑95: enterprise-control system integration framework and relationship to IEC 62264. ISA.

MESA International

  • MESA model history: history of the 1996 MESA‑11 MES function model and later evolution of manufacturing-enterprise models. MESA International.
  • Current MESA model: MESA's current smart-manufacturing model and manufacturing-operations perspective. MESA International.

Manufacturing KPIs

  • ISO 22400-1: industry-neutral framework for manufacturing operations management KPIs. ISO.
  • ISO 22400-2: selected manufacturing-operations KPI definitions and formulas. ISO.

OT cybersecurity

  • NIST SP 800‑82 Rev. 3: current final Guide to Operational Technology Security. NIST CSRC.
  • SP 800‑82 Rev. 4 pre-draft: NIST began pre-draft revision work in January 2026; it is not yet the final guide. NIST CSRC.

External organizations are cited as sources only. This website is not affiliated with or endorsed by ISA, IEC, ISO, MESA International or NIST.