Business Details
50 Years
experience
Emergency
services
Trusted Demolition and Environmental Services in Oregon
Since 1976, LOI Environmental & Demolition Services has been a trusted leader in providing comprehensive demolition, asbestos abatement, and mold remediation services across the Pacific Northwest. Our team of highly trained professionals brings decades of collective experience to every project, ensuring safe, efficient, and environmentally responsible solutions for residential, commercial, and industrial clients. With over 9,000 completed asbestos abatement projects and extensive expertise in structural demolition, we combine technical proficiency with a commitment to client satisfaction.Our management team has worked together since 1987, maintaining a culture of transparency, accountability, and continuous improvement. We prioritize salvaging and recycling materials whenever possible, reflecting our environmental stewardship values. From small-scale residential projects to complex industrial decommissioning, we deliver tailored solutions that meet regulatory standards and exceed client expectations. Our long-standing relationships with building owners, developers, and contractors demonstrate our reliability and dedication to quality service delivery.
Services
Asbestos Abatement
Demolition Services
Mold Remediation
Lead Abatement
Tenant Improvements
Details
- Year established: 1976
Highlights and features
- We have over 45 years of experience in environmental and demolition services.
- Our team has completed more than 9,000 asbestos abatement projects.
- We offer 24/7 emergency response for urgent remediation needs.
- Our field supervisors have 8-25 years of industry experience.
- We prioritize environmental responsibility through material salvage and recycling.
Associations and certifications
- National Demolition Association
What people say
Professional team
Reliable service
Expertise in abatement
Timely completion
Safety focus
Services
Asbestos Abatement
We specialize in safe asbestos removal, encapsulation, and enclosure for commercial, industrial, and residential properties. Our certified technicians use containment systems and negative pressure environments to prevent fiber spread. With over 9,000 completed projects since 1985, we ensure compliance with all federal and state regulations while maintaining client safety.
Demolition Services
Our demolition services include mechanical dismantling, wrecking ball operations, and selective demolition for buildings of all sizes. We implement pre-task engineering plans and environmental safeguards to minimize risks. With expertise in urban demolition and industrial decommissioning, we coordinate seamlessly with abatement projects for comprehensive site remediation.
Mold Remediation
We provide complete mold remediation services using containment systems and negative air pressure technology. Our team addresses moisture sources while safely removing contaminated materials. With experience in occupied buildings like hospitals and schools, we maintain strict safety protocols to protect occupants during remediation processes since 1995.
Lead Abatement
Our lead abatement services include paint removal, dust containment, and surface decontamination for residential and commercial properties. Certified professionals follow EPA guidelines to create safe environments through HEPA vacuuming and encapsulation techniques. We provide post-remediation testing to ensure complete hazard elimination.
Tenant Improvements
We handle TI demolition and abatement projects for commercial spaces, coordinating with contractors to maintain project timelines. Our services include selective demolition, hazardous material removal, and interior restructuring. With experience in occupied buildings, we implement containment systems to protect ongoing business operations during renovations.
People
John Mayer
President
John Mayer has led LOI since 1987, expanding services from insulation to full environmental remediation. With over 45 years in the industry, he transitioned the company into demolition services in 2011. He focuses on client relationships and operational excellence.
Ken Brien
Vice President of Environmental Services
Ken Brien oversees environmental operations with 35+ years of experience. He manages project estimation and field operations, ensuring compliance with safety standards. He has coordinated complex abatement projects since 1987.
Juanita Amacher
Chief Financial Officer
Juanita Amacher directs financial operations with 36 years of experience, including 25 in construction finance. She manages accounting, budgeting, and financial planning while ensuring fiscal responsibility across all projects.
Ben Amacher
Vice President of Demolition Services
Ben Amacher leads demolition operations since 2014, transitioning from IT and sales roles. He specializes in project estimation and management for large-scale demolition projects across Oregon.
Shanon Sanders
Estimator/Project Manager
Shanon Sanders manages southern Oregon operations with 30+ years of experience. He coordinates demolition and abatement services in the Willamette Valley, implementing LOI's standards for safety and quality.
Questions
What environmental services do you offer?
We provide asbestos abatement, mold remediation, lead removal, and demolition services for residential and commercial properties.
Are your technicians certified?
Yes, all our technicians hold required certifications for asbestos, lead, and mold remediation work.
Do you handle emergency situations?
We offer 24/7 emergency response for urgent environmental hazards and demolition needs.
What areas do you serve?
We serve Portland, Lake Oswego, Eugene, and surrounding areas in Oregon.
How long have you been in business?
We've provided environmental and demolition services since 1976, with over 45 years of experience.
Can you handle commercial projects?
Yes, we specialize in commercial and industrial abatement and demolition projects of all sizes.