1970

Asphalt Ready Mix developed

A business unit is created to house a new process to take cutting oils and coolants from a local manufacturer and recover the oil as fuel to power their asphalt hot mix plants.
Formation of the Environmental Protection Agency (EPA)
Clean Air Act of 1970

1972

Industrial Liquid Waste Disposal Company established

An additional treatment process was implemented in Columbus, IN to address the contaminated water from cutting oil and coolant recovery, which led to the formation of Industrial Liquid Waste Disposal Company.
Clean Water Act

1978

Indiana Liquid Waste and Disposal Company renamed ILWD

The company is renamed and opens a new plant on the west side of Indianapolis, IN, relocating from Columbus, IN.

1980

New hazardous waste landfill sited in Putnam County, Indiana

The EPA published the regulations associated with RCRA which became effective on November 19, 1980.

1981

Process Engineering Group formed

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1983

Indiana Liquid Transport (ILT) acquired

ILT was acquired to improve the synergies of transporting waste to and from the plant.

1985

ILT becomes Heritage Transport

The United States Federal Superfund law is officially known as the Comprehensive Environmental Response, Compensation, and Liability Act of 1980, or CERCLA was passed, designed to investigate and clean-up sites contaminated with hazardous substances.

1986

ILWD becomes Heritage Environmental Services in recognition of its broader service offerings

Our Roachdale, IN facility becomes the first RCRA Hazardous Waste Part B permitted landfill in the United States.
Kansas City, MO plant constructed and obtains Interim RCRA Status.

1988

Heritage Crystal Clean developed

Heritage Research Group created a reuse option for spent parts washer fluids, later called Heritage Crystal Clean.
Acquired 100% stock ownership of Petrochem.
Merged Process Engineering Group and Petrochem to form Heritage Remediation/Engineering.

1994

All companies consolidated under Heritage Environmental Services, Inc.

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1995

Micronutrients established

The Micronutrients Copper etchant recycling semi-works plant operations leads to a new $4
million copper plant being built.

1998

80-acre site purchased in Coolidge, AZ

This expanded Heritage’s TSD footprint to the southwestern US.

2000

Heritage Interactive Services formed

Began by-product management operations, later known as Heritage Interactive Services.

2005

Acquired complete ownership of WTI

Purchased an incinerator from (VonRoll America) in East Liverpool, OH (later to become Heritage Thermal Services).

2007

Crystal Clean is spun off as a public entity (NASDAQ: HCCI)

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2010

Supported a major oil spill cleanup

Heritage was the primary waste contractor for a large oil release in the Gulf of Mexico.

2012

Acquired Solid Oak

Solid Oak added water transfer services to our portfolio.

2016

Micronutrients is sold into the animal feed market space

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2017

Acquired Rineco Chemical Industries

Located in Benton, AR, this acquisition added fuels blending to our services.

2020

Acquired Incinerator in Orange, TX

Heritage Thermal Services expands to Texas with the purchase of an incinerator in Orange, TX.

2021

Heritage Sustainability Investments, LLC, a sister company to HES

Made an investment in ClimeCo, a respected advisor, transaction facilitator, and trader of environmental commodity market products, specializing in regulated carbon, regional criteria pollutant trading programs, voluntary markets, sustainability, plastic credits, and project development and financing of GHG abatement and mitigation systems. Acquired controlling interest in Retriev Technologies, a leading North American electric vehicle battery recycling company.

2021

Heritage Environmental Services and Fielding Environmental partnered to Acquire Reclamation Technologies, Inc. (RTI)

This EPA-certified refrigerant reclamation company provides a safe and affordable solution to manage refrigerants that are harmful to the ozone layer and contribute to global warming.

2022

Divestiture of Solid Oak to 5D Field Services

2022

Heritage Transport Acquired Frank’s Vacuum Truck Service, Inc.

Expanded truck capacity allows us to provide a deeper level of strategic support throughout the U.S. and Canada.

2023

Heritage Interactive Services Launched as Envita Solutions

Developed as a service within Heritage Environmental Services, Heritage Interactive Services rebrands as sister company, Envita Solutions.

2024

EQT Assumes Majority Ownership of Heritage Environmental Services

Heritage Environmental Services remains a stand-alone platform, as an EQT Infrastructure company.

2024

Heritage Acquires EBV

Located in Joplin, MO, EBV is the leading provider in energetic waste disposal, expanding our services with demilitarization and explosives disposal.

2024

Incinerator Receives Commercial Permitting

Our incinerator in Orange, TX received its commercial permit.