The JHA engineering team is licensed in multiple states and has extensive experience in the planning, design, permitting, and managing of land development, infrastructure, and water resource projects. Led by Carl Cook, a licensed surveyor with over 25 years experience in the industry, the JHA survey team has capabilities ranging from boundary surveys to construction layout to detailed topographic surveys. JHA Environmental & JHA Remediation provide environmental remediation and site services for the planning, management, and expert implementation of assessment, remediation, monitoring, and construction projects.

The spirit of JHA is about building for the long-term-about building to last. That's what quality means to us. Quality and exceptional client service is the foundation of our company and that foundation is built by our people. Our headquarters in Downers Grove, Illinois is looking for an experienced Civil Engineering Project Manager to begin immediately. This position will involve the management of a team of engineers in the design of infrastructure for land development projects. Project types include warehouse/distribution centers, school, office, retail, healthcare and recreation developments.

Civil engineering services are the foundation of our company. Since 1996 we have been providing civil, transportation, municipal, and water resources engineering to a variety of dedicated clients including land development firms, real estate investment trusts, corporate real estate departments, villages, municipalities, state agencies, and other private and public entities. Our engineers are licensed in multiple states and have extensive experience in the planning, design, permitting, and management of land development, infrastructure, and water resource projects.

JHA's Land Surveying division utilizes state-of-the-art technology and highly experienced personnel to provide value-added land surveying services to our clients. From our offices in Illinois and Georgia we provide a full range of survey services ranging from boundary surveys to construction layout to detailed topographic surveys.

Jacob & Hefner Associates, Inc. (JHA) is a civil engineering, land surveying, and environmental services firm with offices in Illinois, California, Georgia, Texas, and Washington. JHA's civil engineering and land surveying divisions were established in 1996 by Jeff Jacob and John Hefner. Our firm provides civil engineering, transportation and municipal engineering, water resources engineering, land surveying, mapping, and environmental remediation implementation, operation, maintenance, monitoring, construction and Phase I and II due diligence services.

JHA Environmental, Inc. is a division of Jacob & Hefner Associates, Inc. providing environmental assessment and remediation services for retail, commercial, industrial, aerospace, and government projects. We specialize in providing services for large, complex sites including RCRA and CERCLA "Superfund" Sites. JHA Remediation, LLC is a California small business providing environmental remediation project construction and field services. Headquartered in Sacramento, California, JHA Remediation is managed by Mr. James Harrison who has extensive experience installing remediation systems and performing related environmental construction, demolition, and remediation projects.