Oil & Gas

As one of the world’s most important resources, oil and gas plays a vital role in steering the economy. From project and program management to engineering design and staffing services, HGA staff is experienced in upstream, midstream, and downstream oil and gas projects.

Upstream Field Development Planning

Whether it’s unlocking remote reserves, overcoming extreme environments, or commercializing marginal fields, our expertise and innovation help you maximize every development opportunity.

Midstream

HGA has worked on some of the world’s largest piping networks in the role of designer, builder, constructor, and project manager.

Developing a new system, expanding an existing project, or have a need for technical expertise? HGA’s experienced project managers, engineers, designers, and technicians are ready to be an extension of your team.

Downstream: Refining & Petrochemical

HGA is well-versed in understanding the lifecycle management of your refinery, with specific knowledge of Occupational Safety and Health Administration (OSHA) regulatory requirements, the technical process, and the operating environment.

Today, the refinery field has become more multifaceted and complex. We can personalize each project to your requirements by utilizing our resources in order to create and commission the best results for you.

Pipeline Services

HGA has decades of experience supporting pipeline challenges for clients. We can assist with initial site and route selection, pipeline design and mapping, inspection and integrity management services, and construction management support. We understand the regulatory environment of interstate pipeline projects. Our portfolio of pipeline services offers a unique combination of design expertise, a proven construction package, and expert support to help you increase efficiency, reduce capital and operational costs, and improve safety.

Specialty Chemicals Solutions

HGA delivers end-to-end engineering, procurement, and construction management (EPCm) services across the full value chain for specialty chemical producers. Our expertise spans specialty polymers, electronic chemicals and coatings, catalysts, and more — helping clients move from concept to production with confidence.

Liquefied Natural Gas (LNG) Processing

HGA delivers integrated engineering, EPCm, and project support services across the LNG value chain, helping clients develop, expand, and optimize critical energy infrastructure. From liquefaction facilities and storage terminals to transportation and export systems, we provide practical solutions that reduce risk, improve project certainty, and accelerate execution. Backed by nearly 30 years of experience, HGA helps clients bring complex LNG projects from concept to commissioning safely and efficiently.