A $1,000 investment placed ten years ago in either Waste Management or Republic Services would have grown substantially, according to a Yahoo Finance retrospective published on the two largest publicly traded US waste and recycling companies.

The comparison tracks total shareholder value over the decade for Waste Management (NYSE: WM) and Republic Services (NYSE: RSG), the two Houston-area-headquartered national haulers that together control the largest share of US municipal solid waste collection and landfill capacity. Both stocks have benefited from a decade of steady pricing power in collection and disposal, consolidation of landfill assets, and growing revenue from recycled commodity sales and landfill gas-to-energy operations.

Yahoo Finance's exercise frames the two companies as long-horizon compounders rather than cyclical plays. The waste sector's economics — contracted collection revenue, tipping-fee income at owned landfills, and regulated post-collection assets — have supported consistent margin expansion across the period, even through commodity price swings that periodically compressed recycling segment earnings.

For readers tracking the material stream rather than the share price, the investment case for both companies rests on volumes: tons collected, tons landfilled, and tons diverted. Waste Management and Republic Services have each spent the past decade acquiring independent haulers and investing in recycling infrastructure, including material recovery facility upgrades and renewable natural gas projects at landfill sites, all of which feed the recurring revenue base that drove the ten-year returns in question.

The specific ending values of each $1,000 stake depend on the exact purchase date and the treatment of reinvested dividends, both of which materially affect total return over a ten-year holding period. Both companies pay regular quarterly dividends and have raised them repeatedly across the decade, meaning dividend reinvestment accounts for a significant share of the compounded result.

What happens next depends on the same fundamentals that produced the past decade's performance: continued tuck-in acquisitions, pricing ahead of volume softness in commercial collection, and capital deployment into recycling and RNG capacity. Investors and industry observers alike will be watching the next round of quarterly filings for evidence that collection volumes and landfill pricing continue to support the growth trajectory the past ten years established.