Public engineering firm profile

LDIS, LLC

Arvada, CO

Engineering Solutions Tailored to You

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Services: 54
Offices: 1
Projects: 8
Leaders: 5
Founded: 2003

Overview

Established in 2003, LDIS is an engineering, procurement, and construction management services provider delivering tailored engineering solutions. Operating as part of the Tetra Tech family, it provides multidisciplinary design, project management, and specialized field services. The practice serves heavy industrial sectors including oil and gas, pharmaceuticals, mining, and renewable energy, executing capital projects from its home office in Arvada, Colorado.

Founded: 2003

Services

Construction Management

Oversight and coordination of construction activities from initial mobilization through to final handover, ensuring that projects are built to specified designs and standards.

Procurement

Work in this area is organized into supported delivery tasks.

Sourcing Purchasing Of Materials Equipment Services Needed For Industrial Capital Projects Managing The Supply Chain To Maintain Schedule Budget Integrity

Process Engineering

Work in this area is organized into supported delivery tasks.

Process Design Optimization Evaluation Of Chemical Industrial Processes With Expertise In Gas Processing Carbon Capture Chemical Synthesis

Civil and Structural Engineering

Analysis and structural planning required to support heavy industrial installations, equipment pads, and facility expansions.

Structural Design Civil Site Infrastructure

Mechanical Engineering

Work in this area is organized into supported delivery tasks.

Mechanical Design Integration Of Mechanical Systems Ventilation Process Utility Systems Tailored To Heavy Industrial Mining Applications

Electrical Engineering

Work in this area is organized into supported delivery tasks.

Power Distribution Design System Upgrades Electrical Modernization For Industrial Operations Motor Control Centers Facility Power

Controls and Automation Engineering

Work in this area is organized into supported delivery tasks.

Implementation Of Instrumentation Control Systems Automation Logic To Monitor Manage Complex Industrial Facilities Safely Efficiently

Pipeline Engineering

Work in this area is organized into supported delivery tasks.

Pipeline Design Routing Hydraulic Evaluation Of Pipelines For Transporting Hydrocarbons Gases Industrial Terminal Process Fluid Pipelines

Piping Design

Work in this area is organized into supported delivery tasks.

Creation Of Detailed Piping Layouts Orthographic Drawings 3D Models For Industrial Plants A Discipline Dating Back To The Founding Of The Organization In 2003

Field Services

On-site technical support to ensure safe and efficient start-up, operational compliance, and hazard prevention.

Startup and Commissioning Process Safety Management Inventory Assessment

Project Management

Comprehensive execution oversight implementing a fit-for-purpose methodology to deliver engineering projects on schedule and within budget.

Document Control

Industries

Chemicals Mining Oil & Gas Pharmaceutical Renewable Energy Waste Management Wastewater Water Supply Petrochemical

Firm type

Automation & Controls Civil Engineering Electrical Engineering Mechanical Engineering Process Engineering Structural Engineering

Projects

Large Scale Amine Carbon Capture and CO2 Sequestration Facility

2025 | Louisiana | Oil & Gas

Engineering and design services for a large-scale amine carbon capture and CO2 sequestration facility, featuring a high-capacity gas processing facility designed for 1.7 BCFD plus an additional 500 mmSCFD of processing.

Process Engineering Pipeline Engineering

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Underground Gas Storage Facility

Wyoming | Oil & Gas

An electrical system upgrade, tank pad commissioning, and a detailed flare system evaluation, all supported by a full Process Hazard Analysis (PHA). The scope also included modernizing two existing Motor Control Centers (MCC) and providing ongoing operations support.

Electrical Engineering Controls and Automation Engineering

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Propane Terminal Restart

Rhode Island | Oil & Gas

Engineering support for the restart and comprehensive upgrade of a propane supply terminal.

Piping Design Project Management

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Ammonia (Blue) - Blue Hydrogen and Ammonia

2023 | Texas | Oil & Gas

Engineering and design services for a blue hydrogen and ammonia facility in Texas.

Process Engineering

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Large Scale Peptide ANFD Synthesizer and Feed Vessels

2024 | USA | Confidential | Pharmaceutical

Design and engineering of an ANFD synthesizer and associated feed vessels for a pharmaceutical manufacturing application.

Mechanical Engineering Process Engineering

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Bulk Petroleum Transportation Terminal - Omniport Propylene Rail Expansion

2023 | Texas | Oil & Gas

Engineering support for the expansion of a propylene rail transportation system at a bulk petroleum terminal.

Civil and Structural Engineering Piping Design

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Wyoming Mine Shaft Ventilation Upgrade

2024 | Wyoming | Mining

Engineering and design services to execute a ventilation system upgrade for an active mine shaft.

Mechanical Engineering

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Greenfield Gas Processing Facility

Louisiana | Oil & Gas

Engineering of a greenfield gas processing plant with a 350 MMSCFD processing capacity, designed for H2S/CO2 removal, dehydration, and gas compression.

Process Engineering Piping Design

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Leadership

Greg Freund

Senior VP Project Execution

Robert Deherrera

LDIS Unit President

Will Reinhardt

VP Project Management

Jon Benson

Piping Manager

Bob Gorneault

EI/C Department Manager

Offices

Arvada Office

Headquarters

5620 Ward Road, Suite 200

Arvada, CO 80002

United States

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