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Engineer On Call
Engineer On Call
Engineer On Call is a sole ownership engineering design and consulting firm servicing three states with over 40 years of practical experience in the field of structural engineering. As the owner, it is my responsibility to give you trusted value in the design efforts I undertake on your project. As a one man shop with a high review rating I am very busy and may not be able to respond to your inquiries as promptly as I would like. All projects are important, I hope to get to yours next. Thank you for your efforts to reach me. Mark
"all good "
Alexander O on October 2025
Engineer On Call is a sole ownership engineering design and consulting firm servicing three states with over 40 years of practical experience in the field of structural engineering. As the owner, it is my responsibility to give you trusted value in the design efforts I undertake on your project. As a one man shop with a high review rating I am very busy and may not be able to respond to your inquiries as promptly as I would like. All projects are important, I hope to get to yours next. Thank you for your efforts to reach me. Mark
"all good "
Alexander O on October 2025

TVP Engineering
TVP Engineering
TVP Engineering is a locally owned and operated firm with over 14 years of industry experience. We specialize in structural and civil engineering design for residential, commercial, and industrial projects. Our team values honesty, integrity, and quality craftsmanship in every job we take on. We stand behind our work and pride ourselves on delivering safe, code-compliant, and cost-effective designs that meet your project goals. From home remodels and additions to full commercial builds, we’re here to help — and we offer a free phone consultation to get you started. At TVP Engineering, we look forward to building long-term relationships with our clients and guarantee your satisfaction every step of the way.
"I contracted with TVP for engineering plans for a home addition in February, 2023. The sales person Phil McDodson, made an agreement to stay with the project through to the permit but walked away as soon as the county required additional information. At that point Janae Spinney stepped in and would not quit on me until that promise was complete. A special thanks to Joseph and Caleb for getting us through to the end. Every engineer and staff member with TVP was polite, knowledgeable and saw the job through. It was just approved January, 2025. Great company and I appreciate all you did for us!"
Steve M on February 2025
TVP Engineering is a locally owned and operated firm with over 14 years of industry experience. We specialize in structural and civil engineering design for residential, commercial, and industrial projects. Our team values honesty, integrity, and quality craftsmanship in every job we take on. We stand behind our work and pride ourselves on delivering safe, code-compliant, and cost-effective designs that meet your project goals. From home remodels and additions to full commercial builds, we’re here to help — and we offer a free phone consultation to get you started. At TVP Engineering, we look forward to building long-term relationships with our clients and guarantee your satisfaction every step of the way.
"I contracted with TVP for engineering plans for a home addition in February, 2023. The sales person Phil McDodson, made an agreement to stay with the project through to the permit but walked away as soon as the county required additional information. At that point Janae Spinney stepped in and would not quit on me until that promise was complete. A special thanks to Joseph and Caleb for getting us through to the end. Every engineer and staff member with TVP was polite, knowledgeable and saw the job through. It was just approved January, 2025. Great company and I appreciate all you did for us!"
Steve M on February 2025
Tim Wilkinson-Engineering
Tim Wilkinson-Engineering
Wilkinson Engineering, LLC is a Consulting Engineering firm based in Portland, Oregon offering services in the field of structural engineering including complex design, owner representation, value engineering, feasibility studies, investigations, finite element analysis, peer review and forensic analysis for commercial and residential clients. Our firm also offers unique design services in the areas of renovation/rehabilitation, preservation of historical structures, due diligence reports, seismic evaluations and other special projects including LEED Platinum and ecoroofs. Our mission is to provide superior professional services and we deliver by ensuring each project receives continuous personal attention. Our commitment to delivering sound, creative engineering conveyed through clear concise documents within budget and on schedule is assured through the Principal's involvement in every project to ensure timely and competent direction.
"excellent service"
Ray D on February 2021
Wilkinson Engineering, LLC is a Consulting Engineering firm based in Portland, Oregon offering services in the field of structural engineering including complex design, owner representation, value engineering, feasibility studies, investigations, finite element analysis, peer review and forensic analysis for commercial and residential clients. Our firm also offers unique design services in the areas of renovation/rehabilitation, preservation of historical structures, due diligence reports, seismic evaluations and other special projects including LEED Platinum and ecoroofs. Our mission is to provide superior professional services and we deliver by ensuring each project receives continuous personal attention. Our commitment to delivering sound, creative engineering conveyed through clear concise documents within budget and on schedule is assured through the Principal's involvement in every project to ensure timely and competent direction.
"excellent service"
Ray D on February 2021
Summit Pest Management
Summit Pest Management
Summit Pest Management is a professional pest exterminator serving Portland and surrounding areas. Summit specializes in pest control, wildlife management, rodent control and commercial pest control.
"Bill was very willing to discuss the issue with me when I contacted him. He was also very knowledgeable about powderpost beetles, which was not true for several other pest management companies I contacted. I arranged to have Bill inspect the window frame and cavity after the window contractor removed it. He was very professional and identified the window frame as the location from which the beetles originated. Bill made several recommendations to the window contractor and took some beetles I had captured back to his office for detailed examination. The same day, he called me back and identified them as Lyctid powderpost beetles. Bill stated his opinion that further treatment of the window cavity was unnecessary. Although the window contractor would have paid Bill's inspection fee ($195) and for any treatment, Bill didn't charge anything! I was both surprised and impressed, and would highly recommend Summit for both professionalism and integrity."
Geoff P on July 2019
Summit Pest Management is a professional pest exterminator serving Portland and surrounding areas. Summit specializes in pest control, wildlife management, rodent control and commercial pest control.
"Bill was very willing to discuss the issue with me when I contacted him. He was also very knowledgeable about powderpost beetles, which was not true for several other pest management companies I contacted. I arranged to have Bill inspect the window frame and cavity after the window contractor removed it. He was very professional and identified the window frame as the location from which the beetles originated. Bill made several recommendations to the window contractor and took some beetles I had captured back to his office for detailed examination. The same day, he called me back and identified them as Lyctid powderpost beetles. Bill stated his opinion that further treatment of the window cavity was unnecessary. Although the window contractor would have paid Bill's inspection fee ($195) and for any treatment, Bill didn't charge anything! I was both surprised and impressed, and would highly recommend Summit for both professionalism and integrity."
Geoff P on July 2019
Seismic Technologies
Seismic Technologies
Additional DBAs - Cottage Builders
Additional DBAs - Cottage Builders

Environmental Works LLC
Environmental Works LLC
We're innovative, hard working and we get the job done right from the science to the site. From our administration team, to the project managers and field crews, our employees are highly skilled and thoroughly trained professionals. We specialize in air quality testing and mitigation (Radon), underground tank decommissioning, sewer inspection & repair, plumbing services, directional drilling, environmental site assessments and environmental restoration.
"I hired Environmental Works on the recommendation of a co-worker. Not only was it the least expensive of the three bids I received but it was also the only company that offered a lifetime guarantee on its work. The entire installation of a radon mitigation system in my home took less than six hours. The company guarantees that its radon mitigation system can keep radon levels below 2.7 pCi/L. A three-month radon monitoring test, completed ten months after the installation of my mitigation system, indicated radon levels at 1.4 pCi/L. I am very pleased with the work that was performed at my home."
Ken R on March 2020
We're innovative, hard working and we get the job done right from the science to the site. From our administration team, to the project managers and field crews, our employees are highly skilled and thoroughly trained professionals. We specialize in air quality testing and mitigation (Radon), underground tank decommissioning, sewer inspection & repair, plumbing services, directional drilling, environmental site assessments and environmental restoration.
"I hired Environmental Works on the recommendation of a co-worker. Not only was it the least expensive of the three bids I received but it was also the only company that offered a lifetime guarantee on its work. The entire installation of a radon mitigation system in my home took less than six hours. The company guarantees that its radon mitigation system can keep radon levels below 2.7 pCi/L. A three-month radon monitoring test, completed ten months after the installation of my mitigation system, indicated radon levels at 1.4 pCi/L. I am very pleased with the work that was performed at my home."
Ken R on March 2020
Larry Hudson Contracting
Larry Hudson Contracting
I am skilled in all forms of basic home maintenance as well as general remodeling. I am familiar with anything from appliance repair to adding a deck. In the past I have remodeled several older homes which involved basic carpentry, drywall, painting as well as small appliance repair .
I am skilled in all forms of basic home maintenance as well as general remodeling. I am familiar with anything from appliance repair to adding a deck. In the past I have remodeled several older homes which involved basic carpentry, drywall, painting as well as small appliance repair .
SundanceOregon Inc
SundanceOregon Inc
Clear Span basement Beams, Earthquake retrofitting, Residential and commercial remodeling. MANY references available, Just ask!
"They were wonderful. They told me everything they were doing. And put interest in what I'm doing in my house."
Patricia A on November 2020
Clear Span basement Beams, Earthquake retrofitting, Residential and commercial remodeling. MANY references available, Just ask!
"They were wonderful. They told me everything they were doing. And put interest in what I'm doing in my house."
Patricia A on November 2020
Luxury Home Care
Luxury Home Care
Additional DBA: Home Doctor, The
"My request for A/C companies was responded to immediately. Wes was great. He respected my senior years, helped me with a great system, and had it done in no time. I would definitely use this company again!"
LL K on May 2018
Additional DBA: Home Doctor, The
"My request for A/C companies was responded to immediately. Wes was great. He respected my senior years, helped me with a great system, and had it done in no time. I would definitely use this company again!"
LL K on May 2018

Green Hammer
Green Hammer
We are a design-build firm that specializes in building energy use. We aim to massively reduce carbon emissions and energy use in the built environment while using local, responsible, non-toxic materials. In our building and remodeling work, we integrate beauty and building science to build homes with superior health, comfort, performance and durability. We are the only FSC certified builder in the US. And, we have a team of energy experts and moisture analysts that carry certification through the Building Performance Institute (BPI) and Passive House.
We are a design-build firm that specializes in building energy use. We aim to massively reduce carbon emissions and energy use in the built environment while using local, responsible, non-toxic materials. In our building and remodeling work, we integrate beauty and building science to build homes with superior health, comfort, performance and durability. We are the only FSC certified builder in the US. And, we have a team of energy experts and moisture analysts that carry certification through the Building Performance Institute (BPI) and Passive House.
The Gresham, OR homeowners’ guide to structural engineering services
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- 🌱 "Mow a small front yard"
- 🛠 "Fix a leaking pipe under the sink"
- 🏠 "Repair shingles on an asphalt roof"