Welcome To MacIvor OnsiteEnergy infrastructure, delivered as one.
MacIvor Onsite engineers, builds, commissions, operates and manages full lifecycle power and energy infrastructure under a single contract. One team, accountable from first design through long-term operations.
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2,600+
Employees
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110+
Locations in North
America -
24/7
Response
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21
Patents
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3.5
GW Power Access
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100M+
horsepower delivered
& supported -
Led by top power systems experts
About UsWho We Are
MacIvor Onsite is built to deliver energy infrastructure as one accountable team. We bring engineering, rotating equipment, and field execution together under a single contract, backed by an integration hub in Houston, Texas and 110+ locations across North America. With decades of large-project delivery behind us, we own every phase of a project from first design through long-term operations.
What We DoOne team, the full lifecycle.
MacIvor Onsite owns every phase under one contract: engineering, procurement, construction, commissioning, and operations & maintenance, coordinated by a single joint project management office. Accountability never changes hands.
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Data Centers
We deliver on-site and behind-the-meter power for data centers and other mission-critical loads, from gas turbine generation through microgrid integration. We engineer, build, and operate the system that keeps the facility running.
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Grid
We connect generation to the grid and keep it stable, covering utility interconnection, protection and control schemes, and behind-the-meter integration for facilities that cannot afford an outage.
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Conventional Power
We support gas-fired generation across its full life, from new-build EPC through plant betterment and life extension, integrating turbines & rotating equipment and staying on to operate and maintain them.
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Emergency & Mobile Power
We deliver full-scale emergency power, start to finish, with mobile units up to 35 megawatts deployed, connected, and operated by one team.
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Operations & Maintenance (LTSA)
We keep assets running once they are online, with preventive and corrective maintenance, reliability and performance management, turnaround and outage execution, and 24/7 emergency response across gas turbines and rotating equipment.
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Large-scale Construction Services
We self-perform construction at any scale, from facility erection and balance of plant to mechanical and electrical installation, complex tieins, and full QA and QC, from groundbreak to turnover.
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Project Services
We manage the work that makes a project succeed, from project and construction management to procurement, vendor-managed materials, and recovery and decommissioning across the full project life.
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Joint Project Management Office
We run a single joint PMO that owns the schedule from kickoff to turnover, coordinating every phase under one point of accountability.
Lifecycle SupportEngineering, Procurement, & Construction Management
We deliver engineering, procurement, and construction management as a single, integrated program. One accountable team owns cost, schedule, safety, and performance from first drawing to first megawatt, spanning design across mechanical, electrical, and controls, procurement and vendor-managed materials, and construction through commissioning and startup.
Long-Term Service Agreements
Once your assets are running, we keep them running. We offer service agreements that bundle planned maintenance, parts, overhauls, and field support across the life of your equipment, with 24/7 emergency response. As an independent provider, we support both OEM and non-OEM equipment across major turbine, compressor, and controls fleets. The result is predictable cost and protected uptime.
Why MacIvor OnsiteOne partner, accountable for the whole system.
Equipment you can commit to
More than 5 GW of gas turbine capacity under seriallevel control, ready to allocate to your project.Engineering that owns the outcome
Constructability-led design, aligned to how the asset will be built and operated.Construction depth at any scale
Self-performed field execution, backed by 110+ North American locations and rapid mobilization.Financial scale behind the work
$1.0B in bonding capacity and the backing of FirstService Corporation (Nasdaq: FSV).Safety built in
Fully licensed, bonded, and insured, with a TRIR of 1.26 and an EMR of 0.65.
Representative ProjectsComplex Work, Delivered On Schedule And On Budget.
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Power Fleet Deployment, Data Center
NORTH AMERICA · 2024 · COMPLETE · ~200 MW
Long-term technical and commercial support for a large power fleet, including performance modeling and emissions-reduction engineering, supporting deployment for an AI data center facility.
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Utility-Scale Power Generation Program, Data Center
TEXAS, USA · 2024 · COMPLETE · 200 MW
Early-stage commercial guidance, technical support, and equipment deployment strategies supporting the transition into utility-scale power generation for data center and AI applications.
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Permian Basin Mobile Microgrid Program
PERMIAN BASIN · 2020–2024 · COMPLETE · 5.5–60 MW
A one-million-square-foot facility required a first-of-its kind integrated utilities and process installation. We delivered the full scope as a single team and documented more than $1.5M in savings against budget.
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Solar Turbines Field Commissioning & Startup
NORTH AMERICA · 2020–2024 · COMPLETE · 5.5 MW PER UNIT
A major manufacturer needed a new production line added to an operating plant. The team delivered the expansion three months ahead of schedule, with roughly $20M in documented savings.
Offices & Service LocationsProject Management at Scale, Rapid Mobilization
With 2,600+ direct employees across North America and demonstrated capacity to deploy up to 2,800 personnel per day on a single program, MacIvor Onsite manages multi-trade, multi-site construction — civil, mechanical, and electrical scopes coordinated with speed, precision, and consistency across concurrent builds, remote, offgrid, and high-security environments.
Engineering HQ
10000 Energy Dr., Suite 900, Spring, TX 77389Operations HQ
3401 Quorum Dr., Suite 300, Fort Worth, TX 76137
Contact UsLet's build together.
Contact
Kris Evors, Chief Technology Officer | MacIvor Onsite
kris.evors@macivoronsite.com
+1 (832) 963.8069