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About PSF

Pacific Northwest Partners since 1898

From tin stoves to complex high-rise mechanical systems, PSF has been a part of Pacific Northwest history since the beginning. Trusted then. Trusted now.

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Who we are

Experienced project and service partner

Safety. Excellence. Advocacy. Collaboration. Integrity. We bring these values to you to guarantee successful projects.

Professional Services

We are dedicated to being a partner for all of your mechanical needs

pre construction

Pre-Construction Services

Successful projects start with collaborative, forward-thinking pre-construction services. Pre-construction services include:

  • Design
  • Estimating
  • Value Engineering
  • 3D Modeling, Detailing, & Coordination

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Construction Services

We provide safe, union-partnered construction services for a variety of project types. Construction services include:

  • Fabrication
  • Installation
  • Commissioning
  • NEBB- and TAB-Certified Services

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Maintenance and Service

By utilizing experienced professionals, we are able to provide maintenance and service you can trust. Maintenance and Services include:

  • Preventative Facility Maintenance
  • Equipment Repair & Replacement
  • Retro-Commissioning
  • Fire / Smoke Damper Testing

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Featured Projects

Work you can be proud of

We are overjoyed with the work that we have performed and invite you to see for yourself what collaboration, safety, and excellence can produce.


Seattle, WA

Gilead at 199 Blaine

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Seattle, WA

400 Dexter

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Tacoma, WA

LeMay Car Museum

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Seattle, WA

Premiere on Pine

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Redmond, WA

Evergreen Medical Center at Bella Bottega

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Seattle, WA

1551 Eastlake

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Working at PSF

Want to work with us? We seek qualified individuals who are motivated, client-focused, and ready to put their potential to work.

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We are your mechanical partner

Contact Us

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24-hr Emergency Commercial Service: (206) 812-2878