Contractor companies

Charles River Laboratories International is a contract research organization (CRO) providing biotech research and development solutions.

West Pharmaceutical Services is a company that manufactures and sells packaging components and delivery systems for injectable drugs and healthcare products internationally.

VINCI is a company engaged in concessions and contracting businesses.

Primoris Services is a provider of specialty contracting services.

Shimizu (清水建設株式会社) is an architectural, civil engineering, and general contracting firm.

Comfort Systems USA is a company providing mechanical and electrical contracting services.

Royal Boskalis Westminster is a global services provider operating in the dredging, maritime infrastructure, and maritime services sectors.

A leading international contractor.

Genscript Biotech is a biotech company focusing on early drug discovery and development services.

Syngene International is integrated research, development, and manufacturing company providing scientific services.

Interserve is a company engaged in the construction industry.

MDU Resources Group engages in the regulated energy delivery, construction materials and services businesses.