Plant Maintenance & Construction

Wiltsie Construction Company is a leading provider of power and industrial plant services in the Northeastern United States, offering maintenance, shutdown, turnaround, outage, and emergency call-out services.

With a legacy of over five decades of experience in the plant construction and maintenance field, we can tackle our clients’ toughest challenges across many industries, including fossil and nuclear power, alternative energies, chemicals, petrochemicals, pharmaceuticals, oil and gas, manufacturing, and refining.

Trained in the field and tested with time, Wiltsie’s maintenance and construction teams bring a wealth of knowledge, strategic insight, and state-of-the-art technology to every project we undertake. Since 1970, we have successfully completed hundreds of projects involving the new construction, expansion, upgrade, repair, retrofit and revamp of industrial plants and equipment.

Wiltsie’s Steel Fabricating Shop

Wiltsie’s on-site steel fabrication shop backs the work of our field crew with 24/7 support, providing us with the resources to custom fabricate, modify or build from scratch the right replacement parts, subassemblies, and equipment for our clients’ maintenance and construction requirements. (See our ASME certifications.)

With our outstanding staff of engineer-design specialists and steel fabricators, as well as one of the most experienced field technical teams in the industry, we are able to offer our clients a single source of responsibility from project start-up to completion. 

Emergency Mobile Response for Forced Shutdown 

Wiltsie provides rapid, safe and efficient solutions for emergency problems 24 hours a day, 365 days-a-year. 

If you need assistance outside our regular business hours of 8:00 a.m. to 4:30 p.m. EST, call 315-342-1880.

Please email us for more information about Wiltsie’s plant maintenance and construction services.



Wiltsie Construction Co., Inc. • 735 East Seneca Street, Oswego, NY 13126 • P: 315.342.1880 • F: 315.343.8238