Engineering, Procurement, Construction and Management (EPCM) simplifies complex projects. ATSI is proud to provide a quality service to our clients utilizing every element of the EPCM process. We complete small and large scale projects on time and within budget, while maintaining safety and surpassing expectations.

Whether you’re looking for full-spectrum, Turnkey Capital projects or for single components of the EPCM process, ATSI can help:

  • Detailed Engineering to Produce Field Usable Solutions
  • Contractor and Vendor Selection 
  • Specification Packages for the Bid Process
  • Procurement of Equipment, Materials and Services
  • Oversight of Onsite Project Construction, Commissioning, and Maintenance
  • Quality Control Planning and Management

the “EPCM” process

By utilizing the Engineering, Procurement, Construction and Management (EPCM) Process, ATSI simplifies complex projects and provides a quality service to our clients. Regardless of project size or scope of work, ATSI treats every client equally and works hand-in-hand from the moment they walk in the door to the moment of project completion. Our goal is to not only meet your expectations, but exceed them.


ATSI produces the highest quality by hiring the highest quality professional engineers in every discipline.


ATSI provides reliable procurement services regardless of project size or location.


ATSI provides construction support from design to completion. 


ATSI manages and coordinates all engineering, procurement, construction and commissioning services.


ATSI produces the highest quality by hiring the highest quality. We employ professional engineers in every discipline, providing detailed engineering in mechanical, electrical, chemical, process and structural.


With a history of supporting both domestic and international projects, ATSI provides reliable procurement services regardless of project size or location. This is all possible due to their established worldwide network of economical and ethical suppliers created to acquire equipment, materials, supplies and services.

ATSI procurement management services extend beyond simple procurement to bid development, purchased equipment tracking, and on-site coordination.  In addition to the normal procurement services, ATSI offers:

  • Bid Package Development
  • Bidder Pre-Qualification
  • Technical and Commercial Bid Evaluation
  • Purchasing Management
  • Equipment Stewardship and Tracking
  • On-site Receiving / Coordination
  • Validation and Inspection of Equipment
  • Punch-list Stewardship


ATSI provides construction support from design to completion. Our field personnel have developed a reputation among clients for providing value-added services in a safe, cost effective and timely manner.

ATSI provides the following services in the construction sector:

Construction Support

    • Contractor Selection
    • Project Specifications
    • Construction Engineering
    • Field construction and Compliance Monitoring
    • Construction and Permit Documents
    • Shop Drawing Review
    • Rigging Plans
    • Outage Planning and Management

Investigation Services

    • Structural Load Capacity Analysis and Evaluation
    • Structural Distress Evaluations

Construction Management

  • Field Surveying
  • Construction Scheduling
  • Site Safety Analysis and Monitoring
  • Progress Tracking
  • Contractor Bid Analysis
  • Progress Payment Evaluation
  • Quality Assurance
  • On-Site Inspection 
  • On-Site NDT Testing
  • Engineering/Contractor Coordination
  • Installation and Construction Procedures Development


ATSI manages and coordinates all engineering, procurement, construction and commissioning services for large-scale projects. Therefore, no additional consultants are necessary.

Our experienced Project Managers work hand-in-hand with internal engineers and external contractors to complete quality projects in a safe, timely manner.

Our full range of management services include:

Project Transparency:  ATSI Project Management provides clearly defined, comprehensive scopes of work to minimize change orders and clarify division of responsibility.

Communication:  ATSI communicates through an array of communication methods to suit our clients needs.

Progress:  ATSI Inc. provides constant feedback to keep projects on time and clients well informed.

Key Activities and Reports: ATSI completes key activities based on customer requirements and offers detailed project reports.

“ATSI’s Innovative Solutions reduced our costs by >60% vs. budget and solved our safety issues”

Satisfied Customer in the Energy Sector

Mechanical Engineering

From analytical skills to industrial experience, field exposure, and creativity, we have the talent and skillset necessary to solve unique and complex mechanical problems.

Electrical Engineering

From concept to fruition, the experienced engineers at ATSI provides a full service, hands-on approach to Electrical and Power Engineering. 

Front End Engineering Design

ATSI provides innovative, energy efficient, cost effective, and  technology driven solutions to optimize your business. 

Industries We Serve




Food and Beverage

Also: Mining, Bio-Engineering, Environmental Design, Water Treatment and Desalination, Power, Ceramics, Medical Devices, Pulp and Paper

Find Out More

We would love to talk with you about your needs. Please call, email, or use the contact form to start the conversation. Thanks!
415 Commerce Drive
Amherst, NY 14228

Tel. 716-691-9200
Fax. 716-691-7221