|Company Name Sort descending||Description||Membership Type|
|Merichem Company||Associate Member|
|MERRICK & Company||
Employee owned professional services firm providing planning, design, construction management and geospatial services to the energy, security, life sciences and infrastructure markets.
|Messer North America||
Messer Americas is a premier supplier for industrial and speciality gases.
METECS is an engineering-services company centered in Houston Texas close to NASA's Johnson Space Center. Our specialties include multibody dynamics analysis, development of custom simulation software for training and engineering analysis, and robotics systems analysis.
|Middough Inc.||Associate Member|
|MISTRAS Group Inc.||
Mistras is a leading "one source" global provider of technology-enabled asset protection non-destructive testing solutions used to evaluate the structural integrity of critical energy, industrial and public infrastructure.
|Mitsubishi International Corporation||International Manufacturing Member|
|Mitsui & Co. (U.S.A.), Inc.||International Manufacturing Member|
|Monroe Energy, LLC||Regular Member|
|Montrose Environmental Group, Inc.||
Montrose Environmental Group is a national, high-growth environmental company offering Air Quality, Environmental Laboratory and Regulatory Compliance Services to a diverse range of clients in industry and government. Our team of qualified and experienced engineers, scientists, chemists and technicians deliver quality services unsurpassed by other testing firms. With 1,000 employees and over 40 offices nationwide, we provide services for over 5,000 clients.
|Motiva Enterprises LLC||Regular Member|
|NALCO Champion||Regular Member|
|Nayara Energy Limited||
Nayara Energy Limited (Formerly: Essar Oil Limited) is located at Vadinar, Gujarat, India. It is Indias second largest single location refinery with world class facilities. Crude processing capacity of Refinery is 20 million metric tons per annum (MMTPA) or (400 kBPD) with Nelson Complexity Index of 11.8. Nayara Energy also operates Indias largest private retail outlets for supplying fuel covering the country.
|International Manufacturing Member|
|Nooter Corporation||Associate Member|
|Norton Engineering Consultants, Inc.||Associate Member|
Nouryon is a global specialty chemicals leader. Markets worldwide rely on its essential chemistry in the manufacture of everyday products such as paper, plastics, building materials, food, pharmaceuticals, and personal care items. Building on its nearly 400-year history, the dedication of its 10,000 employees, and its shared commitment to business growth, strong financial performance, safety, sustainability, and innovation, the company has established a world-class business and built strong partnerships with its customers.
|Occidental Chemical Corporation||Regular Member|
|Odfjell USA (Houston) Inc.||Associate Member|
Turnaround/Specialty Contractor Hard Crafts