| Intangible Assets Exclusive of Goodwill |
Intangible assets, exclusive of goodwill, consisted of the following at June 30, 2026: | | | | | | | | | | | | | | | Gross | | | | | Accumulated | | Net | | | Carrying | | Accumulated | | Impairment | | Carrying | | | Amount | | Amortization | | Loss | | Amount | Finite-lived intangible assets: | | | | | | | | | | | | | Long-term franchise agreements and contracts | | $ | 1,149,323 | | $ | (489,023) | | $ | — | | $ | 660,300 | Customer lists | | | 1,099,148 | | | (836,379) | | | — | | | 262,769 | Permits and other | | | 1,146,318 | | | (211,348) | | | (66,188) | | | 868,782 | | | | 3,394,789 | | | (1,536,750) | | | (66,188) | | | 1,791,851 | Indefinite-lived intangible assets: | | | | | | | | | | | | | Solid waste collection and transportation permits | | | 181,613 | | | — | | | — | | | 181,613 | | | | | | | | | | | | | | Intangible assets, exclusive of goodwill | | $ | 3,576,402 | | $ | (1,536,750) | | $ | (66,188) | | $ | 1,973,464 |
Intangible assets, exclusive of goodwill, consisted of the following at December 31, 2025: | | | | | | | | | | | | | | | Gross | | | | | Accumulated | | Net | | | Carrying | | Accumulated | | Impairment | | Carrying | | | Amount | | Amortization | | Loss | | Amount | Finite-lived intangible assets: | | | | | | | | | | | | | Long-term franchise agreements and contracts | | $ | 1,131,332 | | $ | (457,664) | | $ | — | | $ | 673,668 | Customer lists | | | 1,098,172 | | | (798,973) | | | — | | | 299,199 | Permits and other | | | 1,114,690 | | | (196,782) | | | (66,188) | | | 851,720 | | | | 3,344,194 | | | (1,453,419) | | | (66,188) | | | 1,824,587 | Indefinite-lived intangible assets: | | | | | | | | | | | | | Solid waste collection and transportation permits | | | 181,613 | | | — | | | — | | | 181,613 | | | | | | | | | | | | | | Intangible assets, exclusive of goodwill | | $ | 3,525,807 | | $ | (1,453,419) | | $ | (66,188) | | $ | 2,006,200 |
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| Estimated Future Amortization Expense of Amortizable Intangible Assets |
Estimated future amortization expense for the next five years relating to finite-lived intangible assets owned as of June 30, 2026 is as follows: | | | | For the year ending December 31, 2026 | | $ | 190,506 | For the year ending December 31, 2027 | | $ | 168,812 | For the year ending December 31, 2028 | | $ | 149,310 | For the year ending December 31, 2029 | | $ | 134,163 | For the year ending December 31, 2030 | | $ | 120,028 |
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