
About Us
Kirwin Construction
With more than 30 years of experience in the construction services industry, we provide expert fabrication, construction, maintenance, and emergency response services to minimize downtime and keep critical operations moving.
We don’t just build projects—we build lasting partnerships that support our clients’ success for years to come.
Our services

Fabrication
Custom steel fabrication for commercial, industrial, and infrastructure projects

Welding
Field and shop welding services performed to industry standards.

Equipment Maintenance
Preventative care that maximize equipment performance, reduce downtime, and extend service life.
Recent Projects
70T Crane Controls ModificationsUSBOR
Grand Coulee, WA – 2026
Trash Rake Modifications & InstallCity of Spokane
Spokane, WA – 2026
Adult Fish Facility Fabrication & InstallGarco
Spokane, WA – 2026
Coker Crane Maintenance & RepairHF Sinclair
Anacortes, WA – 2026
Equipment Maintenance & TestingHecla Mining
Coeur D’Alene, ID – 2026
Coker Crane Controls UpgradePhillips 66
Billings, MT – 2025
Equipment

Safety Commitment
Safety First. Every Project. Every Day.
Safety is embedded in our culture and guides every decision we make.
Through planning, training, accountability, and adherence to industry best practices,
we are committed to protecting our employees, clients,
and communities while delivering exceptional results.