Compliance Services

Providing the Expert Knowledge You Need

The World's Leading

Engine, Vehicle And Powertrain Certification Experts

ECO provide’s the expertise and knowledge to make the process of engine certification efficient and effective. Our experts will lead you through the labyrinth of emissions regulations and provide you with a precise path of action, alleviating unnecessary legal and financial burdens.

Engine Certification

Certificate Of Conformity Experts

New Vehicle Certification

Regulation Specialists

EV Certification

Get Certified Right

S.O.R.E Consulting

Get Ahead Of The Changes

OEM Services

Your Competitive Edge

GHG Consultation

Turnkey Certification Service

Emissions Testing Consulting

Testing Matters

California HVIP Program

Let's Get You Funded

Evaporative Certification

Precision Engineering Service

EPA Test Exemptions

Discover Your Path To Market

Defect & Recall Reporting

Avoid The Fines

22 Years Of Expert Experience

Why Choose Us

We bring our clients total peace-of-mind



We’ve helped clients at all phases of production and remove all compliance process chokepoints.



We have long standing relationships with the EPA and CARB which allow us to get through for you.


Avoid Penalties

Consider us your insurance policy from hefty EPA and CARB compliance penalties.

We Get On The Road And keep You On The Road

Keep Production Moving

ECO, Inc. is the world’s leading engine and vehicle emissions certification consulting firm, specializing in certification management and regulatory analysis for on-road and off-road engine, vehicle, and equipment manufacturers. Composed of mechanical engineering experts, and certification specialists who work exclusively in the area of emissions compliance, ECO will provide added value and a significant cost savings to your EPA and CARB regulatory compliance programs.

Founded in 1999 by the firm’s current president, Joshua R. Pietak, ECO has worked in primary and ancillary roles consulting with the world’s leading engine, vehicle and equipment manufacturers for over twenty years. We pride ourselves on the working relationships we have developed over the years with the California ARB and U.S EPA. Leveraging these long term relationships, we can help your company obtain Executive Orders and Certificates of Conformity in the most timely and cost effective manner possible.

We Will Help You Every Step Of The Way

Get back to moving your production forward and specializing in what you do and let us take care of the compliance side of the for you business.