TriMedia’s team of experts are well-versed in permitting, performing impact studies, aiding in reclamation, and evaluating occupational health and safety conditions, making TriMedia a trusted source for large-scale mining operations.

We offer professional services during mine construction, operation, and decommissioning.

Featured Services

  • Environmental Permitting
  • Environmental Impact Studies and Remediation
  • Reclamation
  • EHS Training
  • Compliance Audits
  • Contaminant Asessments and Abatement Planning
  • Contingency Planning
  • Contractor Safety Oversight
  • Drone Services
  • Due Diligence
  • EHS Program Gap Analysis
  • EHS Training
  • Environmental Impact Studies and Remediation
  • Environmental Permitting
  • Exposure Asessments
  • GIS and Database Development
  • Noise and Vibration Assessments
  • Pollution Incident Prevention Plan
  • Site Restoration
  • SPCC Plans and Spill Prevention
  • Surface and Groundwater Monitoring
  • SWPP Plans

Frequently Asked Questions

We get these all the time. 

Still have questions? Don't hesitate to reach out to us! 


How long have you been in business?

TriMedia Environmental & Engineering has been in business since 1995. 

How many employees do you have?

We have more than 50 employees.

What is your normal response time to provide on-site services?

Depending on travel distance, our team can be there within 24 hours if the need is urgent.

Do you charge by the hour or the project?

It depends.

In most cases, we provide a proposal and charge on a time and materials basis. However, in some instances, we provide per project billing.

Do you strive to make us self-sufficient so we rely on you less?

Yes, as much as is prudent, we aim to make our clients self-sufficient.

What if I don't see the service I'm looking for on your website?

Shoot us an email at or give our headquarters a call at (906) 934-8098.

We’ll do our very best to meet your project needs! We're also happy to refer you to professionals in our service provider network. 

Contact Us


830 W Washington St
Marquette, MI 49855

Offices in Michigan, Wisconsin, Montana, Arizona, and Nebraska

(906) 228-5125

Robert Lehto – President

Tom Anthos – Vice President