Commercial & Industrial Solutions
for the Pacific Northwest

A city skyline with tall buildings, some with modern glass facades and others with brick exteriors, set against a backdrop of green, hilly terrain and dense forests.
A city skyline with tall buildings, some with modern glass facades and others with brick exteriors, set against a backdrop of green, hilly terrain and dense forests.

At Niemela Construction LLC, we provide integrated commercial construction and drain installation services throughout Portland OR, Vancouver WA, and the Pacific Northwest. With over 35 years of experience, we are your single source for complete project delivery—from foundation to final inspection.

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Our Services

Commercial General Contracting

Construction site with steel framework for a building, cranes, and construction workers, with overcast sky and trees in the background.

We specialize in building and renovating commercial and industrial facilities that meet the highest standards of quality, safety, and regulatory compliance.

Services Include:

  • New warehouse construction

  • Warehouse-to-distribution conversions

  • High-pile storage facilities

  • Climate-controlled storage areas

  • Facility upgrades and modernization

  • Expansion projects

Food Processing Facilities

Inside a fruit production facility, workers in caps and masks operate assembly lines processing apples.

Design and construction of USDA-compliant food processing plants including cleaning, processing, storage, freezing, and preservation facilities. We understand the unique requirements of food safety regulations and build facilities that pass inspection the first time.

Services Include:

  • New facility construction

  • Facility expansions and renovations

  • USDA-compliant design and construction

  • Food-grade material selection

  • Climate control systems integration

  • Quality assurance and regulatory support

Commercial Drain Installation

Line of stainless steel industrial equipment, likely tanks or fermenters, in a warehouse or brewery setting.

Whether you're building a new facility, upgrading existing infrastructure, or need to replace outdated drainage systems, Niemela Construction delivers reliable, efficient solutions tailored to your operational needs.

As specialists in commercial drainage systems, we provide complete drain installation services with particular expertise in food processing and industrial applications. Our drain systems meet or exceed all USDA and regulatory requirements.

Services Include:

Food Safe Drain Systems – Purpose-built drainage for food processing environments with food-grade materials, slope-to-drain design, antimicrobial surfaces, and USDA-compliant installation

USDA Compliant Drainage – Expert installation meeting all USDA Food Safety and Inspection Service requirements for meat, poultry, and food processing facilities

Industrial Trench Drains – Heavy-duty systems for processing floors, wash-down areas, loading docks, chemical processing, and high-temperature environments

Floor Drain Installation – Commercial-grade drains in stainless steel, cast iron, acid-resistant materials, and custom configurations

Grease Trap & Interceptor Installation – Properly sized grease management systems with interior/exterior installation and code compliance verification

Drain Repair & Maintenance – Professional inspection, clog removal, system upgrades, and emergency repair services

Our Drainage Expertise Includes:

  • Food-safe slot drains and trench drains

  • High-capacity drainage systems

  • Drain replacement and upgrades

  • Custom drainage solutions for unique applications

  • Compliance with health and safety standards

READY TO BUILD TOGETHER?


Let’s take the next step in turning your project into a reality. At Niemela Construction LLC, we are dedicated to making your vision come to life. From the initial consultation to the final delivery, we’ll work alongside you every step of the way, ensuring your project is built to the highest standards and delivered on time.