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Clean Harbors helps factories, refineries, vehicle repair shops and government agencies handle waste and keep sites clean. Most revenue comes from Environmental Services, which collects and transports hazardous and non-hazardous waste, then recycles, treats or disposes of it through the company’s facilities and service network. Customers also pay for industrial maintenance and scheduled or emergency cleanup. Its Safety-Kleen branches provide recurring parts-washer servicing and waste collection. Most revenue comes from the United States.
A smaller business, Safety-Kleen Sustainability Solutions, collects used oil and processes it into base oils used to make lubricants and into finished lubricants. It earns from collection services and product sales to lubricant makers, distributors, fleets and industrial customers, including sales under the Performance Plus brand.
The service business depends on industrial activity, waste volumes, service pricing and how fully its facilities and workforce are used. The oil business depends on the gap between oil-product selling prices and used-oil collection costs. Clean Harbors must maintain operating permits, and environmental and land-use approvals can limit facility expansion.
The risk section is the longest, dullest part of the filing. This keeps only what can really hurt you: where it hits, how hard, when it plays out.
Every company claims an edge. Each one is checked against hard numbers like margins and returns: which hold, and which line gives way first.
Clean Harbors’ results hinge on industrial waste volumes, permitted disposal capacity and used-oil margins; Crystal Clean is an important environmental-services rival missing from this list.
Republic Services competes with Clean Harbors for industrial customers paying to have waste treated, stored and disposed of, including wastewater treatment. Its industrial-waste volumes and treatment and disposal pricing are the closest signals to watch for Clean Harbors’ waste-management business.
Waste Management competes with Clean Harbors for industrial customers’ waste collection and disposal spending, and both operate hazardous-waste landfills. Watch its industrial collection volumes and disposal pricing for clues to demand and price competition facing Clean Harbors.
GFL Environmental is a named Canadian rival to Clean Harbors in industrial, field, emergency-response and Safety-Kleen branch services. GFL also earns fees collecting and disposing of waste for municipalities, households and businesses; its Canadian pricing news is more relevant to this tie than its company-wide revenue.
Waste Connections competes with Clean Harbors for fees from oil and gas producers to treat and dispose of exploration and production waste. Its non-hazardous oilfield-waste volumes are a focused demand signal, though oil and gas customers accounted for only 4% of Clean Harbors’ revenue in 2025.
Perma-Fix Environmental Services overlaps with Clean Harbors in paid hazardous-waste treatment and environmental project work, but focuses on radioactive waste and federal contracts. Federal work supplied 63.6% of Perma-Fix’s revenue in 2025, so its contract news is a narrower signal than a read on Clean Harbors’ broader industrial demand.
EIA Crude Oil Stocks Change (Oct/16)
The EIA’s weekly counts of crude oil and gasoline held in US stocks indicate supply tightness that can move oil and fuel prices, affecting Clean Harbors’ transport and facility fuel costs and SKSS’s margin between oil-product prices and used-oil collection costs.
Higher crude and gasoline stocks point to looser supply and potentially lower oil and fuel prices: that may ease Clean Harbors’ fuel costs but pressure SKSS’s margin if oil-product prices fall more than collection costs. Lower stocks point to tighter supply and potentially higher prices, which may raise fuel costs but support that margin if product prices rise more than collection costs.
Clean Harbors, Inc earningsThis company
Clean Harbors’ report will show whether customer waste is keeping its treatment facilities busy and profitable, and whether used-oil collection and oil-product sales are supporting Safety-Kleen Sustainability Solutions’ margins.
Read Environmental Services waste volumes and facility utilization alongside its segment Adjusted EBITDA margin: rising volumes and utilization with a steady or higher margin would show that more customer waste is translating into profitable work; weaker activity or a shrinking margin would mean fixed facility and labor costs are harder to cover. Then compare SKSS used-oil collection with base- and blended-oil sales and its margin. Steady collection and margin would point to adequate feedstock and product economics; weakness in both would leave fixed costs and oil-market pressure weighing more heavily.
Fed Interest Rate Decision
For Clean Harbors, the Fed’s policy rate—the benchmark that influences borrowing costs—matters because $660 million of its term loans have rates that can reset, changing interest paid and earnings.
Expected4.0%Last release4.0%
If it comes in above expectations
If the policy rate is above the estimate, interest costs on Clean Harbors’ loans that reprice may rise, leaving less operating earnings after interest.
If it comes in below expectations
If the policy rate is below the estimate, interest costs on Clean Harbors’ loans that reprice may fall, leaving more operating earnings after interest.
Republic Services Inc. earningsRSG
Republic Services’ report will show industrial customers’ waste volumes and treatment and disposal pricing, the closest market signals for Clean Harbors’ Environmental Services business.
Read Republic Services’ industrial-waste volumes alongside treatment and disposal pricing. Steady volumes and stable or rising prices would suggest industrial customers are still buying these services and providers can hold their rates—a supportive demand and competition signal for Clean Harbors’ Environmental Services. Falling volumes or pressured prices would point to weaker demand or tougher price competition, making it harder for Clean Harbors to sustain volumes and fees.
Industrial Production MoM (Oct)
Factory, mine and utility output and how much of their capacity is in use indicate demand for industrial activity; for Clean Harbors, stronger activity can bring more waste-service work and improve facility utilization, while weaker activity can reduce service revenue.
Rising factory, mine and utility output points to stronger industrial demand that may support Clean Harbors’ waste volumes and facility utilization; falling output points to weaker demand that may reduce both.
