Design & Build

APTIM provides engineering, procurement, and construction (ECP) for small capital and large-scale projects. Our experience benefits clients with environmental, civil, earthworks, fuel system and military infrastructure projects, as well as assists power and industrial facility expansions,  retrofits, rebuilds, and new projects. We also successfully embed construction resources into existing maintenance agreements to seamlessly complete capital construction and modification projects.


APTIM understands and applies industry standards, including best practices and lessons learned, to integrate with clients and stakeholders for successful project execution. We strive to use innovative cost and schedule techniques while strictly adhering to safety and compliance requirements.


Services include:

  • Infrastructure improvements
  • Capacity expansions
  • Program management
  • Rapid Response
  • Recovery and rebuild
  • Craft direct hire and management




We offer both stand-alone construction and construction management services using consistent tools, systems and standards to safely deliver superior results in challenging environments. Our comprehensive portfolio of projects and our concept-to-completion range of capabilities position us to meet the needs of clients year after year.


We can provide any combination of conceptual development, front-end design, engineering, procurement, fabrication, construction, retrofitting, project management, commissioning and aftermarket services across all phases of a project life cycle.


Services include:

  • Constructability
  • Union and merit shop capabilities
  • Civil and concrete work
  • Piping system erection
  • Structural steel erection
  • Mechanical/Equipment
  • Electrical, instrumentation, painting, scaffolding and insulation


APTIM is a leader efficiently completing plant and refinery disaster response, relief and recovery projects.


Services include:

  • Shelter construction and operations
  • Site assessments
  • Demolition and Debris removal
  • Inspections
  • Planning
  • Resign
  • Reconstruction
  • Recommissioning




APTIM provides comprehensive site development and construction services for state and local governments, the U.S. federal government and the private sector’s chemical, manufacturing and oil and gas industries.


We bring unparalleled qualifications to all aspects of site development through the following services:

  • Civil engineering design
  • Mass grading and excavation
  • Site preparation
  • Utility installation
  • Bridges, roadways, tunnels and shafts
  • Foundation construction, including pile driving, sheeting, shoring and cofferdams
  • Cast-in-place and structural concrete
  • Deep trenching
  • Demolition site work
  • Site selection and assessment services


Fuel Systems


APTIM is a major provider of fuel services for the Department of Defense (DoD), completing more than $400 million in DoD fuel system repairs and upgrades. From assessments and design to construction and start-up, our experienced teams and global resources help provide safe, cost-effective, quality fuel services for clients around the world.


Services include:

  • Facility assessment/inspection/design
  • Pipe skid installation
  • Marine facility design/construction
  • Leak detection and tightness testing
  • API 570/653 inspections
  • Aboveground and underground storage tank and pipeline removal/upgrade/construction
  • Fuel pipe set-up
  • Repair
  • Cleaning/painting/coating/abandonment
  • Hydrant and mechanical systems assessment/removal/construction
  • Tactical motor pool installation/upgrade
  • Rail load/off-load facility design/set-up
  • Tank bottom replacement
  • Truck fill/off-load installation
  • Cathodic protection assessment/design/installation
  • Containment area design/construction
  • Bulk fuel transfer pump stations
  • Hydrant/bulk storage pumphouse upgrade
  • Marine load arm repair and maintenance




APTIM applies civil and structural engineering expertise to help provide thorough environmental assessments, planning and designs to meet infrastructure needs.


Services include:

  • Program/project management
  • Fuel systems and construction
  • Vertical and horizontal construction
  • Engineering and design


Coastal, Ports, Marine & Transportation Projects


APTIM performs marine surveys and ocean measurements to support new capital projects or ongoing operations at sea.


Services include:

  • Topographic surveys
  • Hydrographic surveys
  • Geophysical investigations
  • Geotechnical investigations
  • Wave and current measurements
  • Meteorological measurements
  • Measurements of other oceanic parameters


We also provide simulation and design services for a range of coastal and navigation needs.
Services include:

  • Coastal hazards, floods and resiliency studies
  • Beach and dune restoration
  • Barrier island and marsh restoration
  • Coastal structures
  • Other marine infrastructure
  • Dredging
  • Coastal and inlet management plans
  • Navigation studies and deep draft channel design
  • Numerical simulations



APTIM provides expert transportation infrastructure and environmental services to keep air, land and water transportation systems operating safely and reliably. We understand and solve client financial, operational, safety and security concerns and work in concert with them to design and maintain systems that run smoothly and efficiently.


APTIM supports and enhances the transportation industry’s vital position as the artery of commerce, both nationally and globally, with expertise in the following areas:


Highways and Roadways:

  • Alignments and geometry
  • Roadway pavement and surfaces
  • Interchanges, underpasses and tunnels
  • Lighting, utilities and traffic control devices
  • Drainage design
  • Traffic engineering
  • Surveys and mapping
  • Construction staging and traffic management
  • Toll road systems


Bridges and Tunnels:

  • Inspections and condition assessments
  • Repair and rehabilitation
  • Bridge load ratings and type studies
  • Tunnel planning, design and construction management
  • Hydraulic and scour analysis
  • Bridge pier, abutment, bearing, deck and superstructure design
  • Hard rock, soft ground and marine tunnels
  • Construction staging and traffic management