general construction contractors General Construction Contractor Company in Los Angeles California. We Covers Los Angeles ,Ventura & Orange Counties and S.California. Specialized in tenant improvement and new construction.The services of GENECON, Inc. We are competitively bid, But we also include design-build and negotiated contracts. Include Korean style Spa(Bathhouse, Jimjilbang), medical office buildings, churches, schools, commercial, industrial, manufacturing and warehouse facilities, apartment buildings, condominium, retail mini-malls,restaurant and tenant improvement. * Design-Build construction services * Initial plan review * Initial specification and project manual review * Preliminary budgeting * Cost estimation * Preconstruction services * Scheduling studies * Alternative