NW Tower & Crane NW Tower Crane Services™ Call 206.212.6032 or Email To Request A Quote
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The Talent To Master Any Job, The Knowledge To Do It Right

... thank you for the terrific job you did in the coordination and safe removal of the Liebherr 420 tower crane at the Bill and Melinda Gates Foundation. I appreciate the efficiency and attention to detail with regard to the set up strategy and sequence efforts put forth in the safe removal activity for the tower crane. The plan was executed perfectly and was really a smooth operation in spite of the last minute shoring requirements and the "Bite of Seattle" traffic. Great job by your teams; I'm looking forward to more of the same teamwork on future adventures!

Senior Superintendent,
Sellen Construction

Northwest Tower Crane Service Inc.
710 South 226th Street
Des Moines, WA 98198
206.212.6032 Office
206.429.2003 Fax


While many states including Washington don't require tower crane erectors to be certified, California does and we are certified there. Washington requires all persons who erect, dismantle, or service hoists to be licensed elevator mechanics and we have three (3) on staff. These individuals update their training every two years with continuing education courses offered by Labor & Industries. In addition, all of our employees are qualified riggers.

Each project has its own full-time staff including a Project Manager, Office Manager, Safety Director, Insurance Specialist, and Quality Control Officer. We provide an extensive, written safety program which includes a Jobsite Hazard Analysis, Fall Protection Plan, MSDS Forms and other risk management protocols.

Safety is one of our biggest concerns and we are proud of our Modifier Rates of .7659, .7412, and .7367 for the past three years. Each crew also has an OSHA 30 trained employee and each of our employees are CPR/First Aid certified.

NWTC is signatory with the following Ironworker and Operator/Engineer unions: 86, 302, 11, 24, 29, 229, 14, 732, 751, 433, 625, 12, 118 and 155.