Western Partitions, Inc. (WPI) is one of the largest and most respected interior and exterior contracting firms in the US. We specialize in drywall, prefabrication, metal studs, acoustical systems, wall panels, fireproofing, firestopping, stucco, claddings, painting, windows, doors/frames/hardware, and more.
Since our founding in 1972, WPI has delivered award-winning construction with a commitment to integrity, safety, and efficiency. A large percentage of our work comes from repeat clients — a testament to the trust we’ve built through service, speed, and attention to detail.
What sets us apart is our unwavering dedication to quality, our people, and our customers. Pride in our work drives us to get it right the first time, without compromise. Clients choose WPI not just for our capabilities, but for the way we communicate, collaborate, and earn respect — every step of the way.
The Materials Planner role is intimately familiar with all product and assembly BOMs. This person ensures that the supply of materials meets the production schedule and minimum stock levels to ensure operational and production continuity. Delivers efficient, effective and flexible solutions to meet production requirements. Maintains strong relationships both internally and externally to ensure supply of materials. Provides critical material demand signal that is executed by Procurement team.
WPI provides equal employment and affirmative action opportunities to applicants and employees without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, or disability.
WPI is a background screening, drug-free workplace.
This job description is intended to outline the general nature and level of work being performed by employees. It is not designed to cover or contain a comprehensive list of responsibilities, duties, or skills required of the employee of this job. Furthermore, this description is subject to change at the discretion of the company, with or without notice.

At WPI, we pride ourselves in being one of the largest and most reputable interior/exterior specialty contracting firms in the United States. We are currently ranked 2nd in Specialty Walls and Ceilings Subcontractors in the country by Engineering News-Record. Since 1972, WPI has serviced Oregon, Washington, California, Idaho, Hawaii, Alaska, Nevada, New Mexico, Utah, Idaho, Montana, Phoenix, and Ohio and are continuing to grow into new market areas. Our list of specialty services include; Pre-construction Services, Drywall, Metal Framing, Pre-Fabricated Penalization, Plaster, Acoustical Systems, Fireproofing, Doors, Frames, and Hardware, Insulation, Air & Weather Barriers, Fire Stopping, Painting & Industrial Coatings, Wood Framing/Carpentry, Claddings/Building Envelopes, Windows, Unistrut and Strut Framing Systems.
Throughout our 50 year history we have constructed a diverse portfolio of projects ranging from tenant improvements, hospitals, high tech, stadiums, low & high rise buildings, schools & universities, retail, and government facilities. Our approach is simple, we work together with our clients and peers to bring value to any project through innovation, quality, experience, safety, and integrity. Together we build.
WPI Office Locations:
• Portland, OR
• Seattle, WA
• Eugene, OR
• Spokane, WA
• Reno, NV
• Las Vegas, NV
• Albuquerque, NM
• Boise, ID
• Phoenix, AZ
• Columbus, OH
• Salt Lake City, UT