M-I SWACO Employee Directory
Oil and Gas10001+ Employees
M-I SWACO has about 10K employees across 5 continents, with the largest share in North America (37%). By country, the largest groups are United States Of America (32%), India (6%) and United Kingdom Of Great Britain And Northern Ireland (4%). Program & Project Management and Administrative make up 33% of the profiles with a known department. M-I SWACO's workforce spans 33 departments. M-I SWACO's workforce fell 35% between July 2025 and July 2026.