OJI Califco Consortium, Inc., is a multi-disciplinary Land Development and Infrastructure Development company. OJI International, Inc., was founded in 1987. Califco Utilities was incorporated as a California Corporation in 2002. OJI Califco Consortium, Inc. was incorporated in 2016. OJI is duly incorporated in Nigeria under the Companies and Allied Matters Act of 1990 with the Corporate Affairs Commission with Registration Number RC1057398. With over 27 years of experience, OJI has provided professional services to both public and private sector clients in the United States and Africa.

OJI Califco Consortium, Inc., specializes in the development of core infrastructure projects in the following disciplines

• Civil Engineering
• Land Use/Environmental Planning
• Transportation Engineering
• Intelligent Transportation Systems (ITS)
• Transportation Planning/Transit Planning
• Program Management/Project Management
• Project Management for Oil & Gas
• Construction Contracting/Support Services
• Electric Power Infrastructure Development