Energy and Infrastructure
WE BUILD SOLUTIONS THAT HELP OUR CUSTOMERS GATHER MOMENTUM, MAINTAIN THEIR INTEGRITY, AND KEEP MOVING TOWARD THEIR BUSINESS GOALS.

Allison is proud to deliver unparalleled implementation of pipeline and integrity management through a comprehensive suite of services to our energy infrastructure partners through engineering, procurement and construction management. By hiring only the most experienced, highly-skilled, and safety-oriented crews, we are able to oversee a variety of projects including pipelines, docks, floodgates, pump stations, and blasting and coating, to name a few. Our project managers prepare custom solutions tailored specifically for each client and their individual needs, handling needs from feasibility studies through detailed design, permitting, construction, to the program management aspect and initial operation.


Pipeline construction and installation, tie-in, assembly, interconnects, replacement and reroutes, and maintenance
New Platform Design and Build
Assembly interconnect reroutes
Blasting & Coating
Right of Way Clearances
New Construction
Pipelines & Facilities
Pipeline Installation
Valve Installation



Asset integrity services including pig launchers/receivers, anomaly digs, hydrotesting, repairs, control coatings and equipment upgrades
Valve Installation
Leak Repair
Sand Blasting & Coating
Line Replacement
ASME Vessel Repair
Line Flushing
Hydrotesting & Drying
Anomaly Digs & Repair
Composite Wrap
Certified Clock Spring Installer
Exposed Pipeline Revetment



Abandonment & removal services
Pipeline & Facilities Flushing & Cleaning
Pipeline Abandonment
Pipeline Removal
Asbestos Abatement
Facilities Dismantle & Disposal