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50+ Years
experience
Your Trusted Partner for Engineering Solutions in Portland
Smith Monroe Gray Engineers (SMG) has been a leader in multi-discipline consulting engineering for over 60 years, delivering innovative design solutions for structural, mechanical, and material handling projects. Founded in the mid-1950s, our firm specializes in comprehensive project design services, guiding clients from concept to completion with expertise in permitting, specifications, and on-site engineering. Our team of seasoned professionals excels in addressing complex design challenges across heavy industrial sectors, ensuring cost-effective, intelligent solutions that meet evolving client needs.

With a proven track record of international project execution, SMG maintains a high level of repeat business through unwavering commitment to quality, safety, and client satisfaction. Our engineers combine technical precision with practical problem-solving to support industries ranging from mining and dam construction to marine and civil infrastructure. As a trusted partner, we prioritize transparency, ethical standards, and long-term relationships, ensuring every project aligns with our reputation for excellence and reliability.
Services
Structural Engineering Industrial Facility Design Construction Engineering Services Material Handling Systems Mechanical Engineering Marine Dependent Engineering Civil Engineering Engineering Support Services
Details
  • Year established: 1955
Highlights and features
  • We have over 60 years of experience in structural and mechanical engineering projects.
  • Our team provides comprehensive project design services from concept to completion.
  • Our engineers excel in solving complex design challenges for heavy industrial needs.
  • We have completed projects throughout the U.S. and internationally.
  • Our innovative designs have earned a high level of repeat business.
Services
Structural Engineering
Our structural engineering team delivers award-winning designs for buildings, bridges, and specialized structures like underwater pipe frames and crane trestles. We combine creativity with technical precision to address complex challenges, ensuring safety and durability. Clients benefit from our expertise in both conventional and unconventional projects, supported by decades of industry experience and a commitment to innovation.
Material Handling Systems
We design comprehensive material handling solutions for bulk commodities, including belt, screw, and pneumatic conveyors. Our systems optimize efficiency and safety for industries ranging from mining to agriculture. With membership in CEMA, we adhere to the highest design standards, ensuring reliable, scalable solutions tailored to client needs.
Civil Engineering
Our civil engineering services cover soil retention, foundations, dock facilities, and stormwater management. We create customized solutions for challenging environments, integrating sustainability and regulatory compliance. Projects include industrial sites, waterfront developments, and heavy civil infrastructure, supported by multidisciplinary collaboration.
Construction Engineering
We specialize in temporary structure design for heavy construction, including falsework, cofferdams, and shoring. Our focus on safety, economy, and simplicity ensures efficient project execution. Clients rely on our expertise for complex projects like bridge replacements and dam construction, where precision and reliability are critical.
Marine Dependent Engineering
Our marine engineering services include dock and barge system design, with expertise in underwater equipment and TWIC-certified personnel. We address unique coastal and riverine challenges, delivering durable, code-compliant solutions. Projects range from port facilities to specialized marine infrastructure, ensuring operational efficiency and environmental compliance.
Questions
What industries does SMG Engineers serve?
We serve industries including mining, dam construction, marine infrastructure, energy, and heavy civil projects, with expertise in structural, mechanical, and material handling engineering.
How long has SMG been in business?
SMG has provided engineering services since the mid-1950s, with over 60 years of experience in innovative design solutions.
Do you offer international project support?
Yes, we have completed projects globally, adapting to diverse regulatory and environmental standards while maintaining quality and safety.
What sets SMG apart from other engineering firms?
Our multidisciplinary approach, technical expertise, and commitment to client collaboration ensure tailored solutions that meet complex project demands.
Can SMG handle both small and large-scale projects?
We scale our services to project needs, from conceptual studies to full-scale construction support, ensuring efficiency and precision at every stage.