Hammond Collier Wade Livingstone
Specializing in civil and municipal engineering, including planning, engineering, environmental, operational support, design and consultation.
http://www.hcwl.com/

Gorman Health Group
Gorman Health Group provides counsel, products, and services to Medicare and Medicaid's private sector partners. It also provides industry leading managed care products, such as Medicare Training Academy (MTA), eLead, MIDAS, Medicare Sales Training and Certification, Health Care Concierge (HCC), B vs. D Navigator, and COMPASS.
http://www.gormanhealthgroup.com/

IRMS Actuarial Consultation Services
A casualty actuarial consultation firm that specializes in hospital professional liability and workers' compensation consultation.
http://www.irmsactuary.com

Operational Innovations, Inc.
Consulting firm specializing in project management, technical and operational services for the food, beverage and consumer goods industries.
http://www.op-in.com/

OpteBiz
Providers of Manufacturing Execution Systems for enterprise and operational integration, operational intelligence solutions and business and technology consulting service.
http://www.optebiz.com/

Operational Riskdata eXchange Association
The Operational Riskdata eXchange Association (ORX) is the world's leading operational risk loss data consortium for the financial services industry. We provide a platform for the secure and anonymised exchange of high-quality operational risk loss data.
http://www.orx.org/

Defense MicroElectronics Activity (DMEA)
DMEA leverages capabilities and payoffs of advanced technology to solve weapon system operational problems, increase operational capability, and reduce the effects of diminishing manufacturing sources.
http://www.dmea.osd.mil

MSc in Operational Research at the University of Strathclyde
Management Science
http://www.operationalresearch.org

(UK) Government Operational Research Service
The Government Operational Research Service (GORS) - supporting policy-making, strategy and operations across 15 departments.
http://www.operational-research.gov.uk/

Strategic Transportation Services
STS - Rail Experts
http://www.nvo.com/sts_consultants