Consulting firms in California

Northrop Grumman Corporation is an American global aerospace and defense technology company formed by Northrop's 1994 purchase of Grumman. The company was named as the fifth-largest defense contractor in the world in 2015. Northrop Grumman employs over 68,000 people worldwide. It reported revenues of $25.218 billion in 2012. Northrop Grumman ranks No. 72 on the 2011 Fortune 500 list of America's largest corporations and ranks in the top ten military-friendly employers. It is headquartered in West Falls Church, Virginia.

Oliver Wyman is an international management consulting firm. The firm is headquartered in New York City with 40 offices in Americas, Europe and Asia Pacific and employs over 2,900 professionals. It is part of the Oliver Wyman Group, which is a business unit of Marsh & McLennan.

PA Consulting Group is a global management and IT consulting and technology and innovation organization with practices in defense, energy, financial services, government and public services, healthcare, automotive and consumer goods, telecoms, and transport and logistics sectors.

Pariveda is an IT Consulting and Business Systems Planning firm. Providing Integration, Custom Application Development, ERP project management consulting and integration software solutions.

Pcubed is a global management consulting firm focused on project, program, portfolio and change management that provides clients with resources to deliver their business transformation initiatives. The companies core capabilities include change management, portfolio management, program leadership, enterprise project delivery and enterprise project management solutions.

Phoenix Consulting Group offers services to enhance collaborative capability in all business relationships. The firm develops partnering strategies, processes, programs, education and marketing. Practices areas cover strategic development, operational systems and processes, and professional skills development for all types of partnerships and collaboration models.

Point B is a management consulting firm with practices that include Project Leadership, Merger and Acquisition Integration, Healthcare Consulting, Technology Selection and Implementation, Operations Improvement, Product Development, Change Management and Business Consulting.

Promontory is a regulatory, compliance, and crisis-management consulting firm serving financial services institutions.

Protiviti is a global consulting and internal audit firm specializing in risk and advisory services. Protiviti&s customers are in the areas of finance, operations, technology, litigation, and governance, risk and compliance. Protiviti has offices in 61 major markets, with 33 in the United States and 28 in the Americas, Asia-Pacific and Europe.

Quintiles is a pharmaceutical services company offering clinical, commercial, consulting and capital services.

RCG Global Services provides services in Business consulting, business intelligence, application development services and outsourcing of software testing and application management.

Revel Consulting is a business management consulting firm that provides services in the fields of strategy, operations, technology and customer experience.