Inberg-Miller Engineers

Serving the Rocky Mountain Region

Website

About the firm

Inberg-Miller Engineers is a multi-discipline engineering practice founded in 1971 that provides civil, geotechnical, environmental, and survey services across Wyoming, Colorado, New Mexico, and neighboring states. Equipped with in-house drilling fleets, construction materials testing laboratories, and drone systems, it serves energy, government, commercial, transportation, and industrial sectors.

Established
1971
Team
Midsize
Firm type
Civil Engineering · Geotechnical Engineering · Environmental Engineering · Land Surveying · Materials Testing

Credentials

AASHTO Accredited Materials Testing Laboratory · WYDOT Certified Laboratory · US Army Corps of Engineers Accredited Laboratory · APNGA Certified

People

Derek BakerPresident

Terri WarriorTreasurer, Controller, and Corporate Secretary

Michael BrownSenior Vice President, Chairman of the Board, and Civil Department Director

Rami KsaibatiVice President and Geotechnical Department Director

C. Dawn WillhelmVice President and Senior Civil Engineer

David CoffeyVice President of Business Development and Senior Civil Engineer

Ryan VazquezEnvironmental Department Director

Jose PeredaDrilling Department Director

Michael McClureCMT Department Director

Randy StelznerSurvey Department Director

Douglas RigbySenior Geotechnical Engineer

Gerald WilliamsSenior Civil Engineer

Peter MelanderCivil Engineer

Capabilities

Civil Engineering

Service website

Supports municipal and private development from roadway design to residential subdivisions, delivering comprehensive engineering solutions from inception to close-out.

  • Roadway and Highway Design
  • Residential Subdivision Engineering
  • Commercial Site Development
  • Utility and Water Infrastructure Design
  • Technical AutoCAD and Civil 3D Drafting

Geotechnical Engineering

Service website

Provides site soil investigations and foundation recommendations to ensure structural soundness and compliance with local, state, and federal codes.

  • Subsurface Soil Investigations
  • Structural Foundation Recommendations
  • Earth Retaining System Design
  • Slope Stability Evaluation and Analysis
  • Geotechnical Laboratory Testing

Operates a specialized fleet of track-mounted and rubber-tire rigs equipped for shallow and deep borings under diverse geological conditions.

  • Hollow-Stem Auger Boring
  • Air and Mud Rotary Drilling
  • Continuous Soil and Rock Coring
  • Shallow and Deeper Well Installations
  • Track-Mounted Off-Road Drilling

Subsurface Utility Engineering

Service website

Utilizes non-destructive air knife excavation to safely expose sensitive underground infrastructure and identify utility depths without risk of damage.

  • Safe Air Knife Excavation
  • Non-Destructive Utility Potholing
  • Underground Line Designation

Environmental Engineering

Service website

Helps clients navigate complex regulatory frameworks through site assessments, sampling, compliance reporting, and remediation scoping.

  • Phase I and II Site Assessments
  • Soil and Groundwater Sampling
  • Regulatory Compliance Audits
  • Remediation Scoping and Planning
  • Landfill Permitting Services

Delivers precise boundary, design, and construction measurements across municipal, state, federal, and Native American lands.

  • Design-Phase Land Mapping
  • Construction Staking and Layout
  • Right-of-Way Retracements
  • Certified Federal Public Land Surveys

Drone Services

Service website

Leverages commercial unmanned aerial systems and photogrammetry to generate high-resolution models, maps, and volume surveys.

  • Aerial Photography and Mapping
  • Photogrammetric Topographic Surveys
  • Stockpile Volume Measurement
  • Three-Dimensional Terrain Modeling

Construction Materials Testing (CMT)

Service website

Tests, evaluates, and monitors concrete, asphalt, soils, and aggregates through accredited physical and mobile on-site laboratories.

  • Soil and Compaction Testing
  • Concrete and Asphalt Quality Control
  • On-Site Mobile Laboratory Analysis

Special Inspections

Service website

Monitors critical structural installations, connections, and fabrications to ensure compliance with international building standards.

  • IBC Chapter 17 Special Inspections
  • Construction Observation Services
  • Building Structural Observation

Industries

Commercial · Education · Government · Industrial · Mining · Oil & Gas · Power Generation · Residential · Telecommunications · Transportation · Waste Management · Wind

Projects

Teton County Heater Repaving Project

Teton County, WY · Transportation · Client: Teton County

Project details

Provided engineering and land surveying services for roadway repaving and infrastructure improvements in Teton County.

Natrona County High School Pool

Casper, WY · Education · Client: Natrona County School District

Project details

Conducted geotechnical engineering and construction materials testing services for the high school aquatic facility.

Inberg-Miller Engineers - Engineering Firms