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| Alloy myalloy.com | 11 | Society & Culture |
| Allstate allstate.com | 1 | Sports |
| ALP alppouch.com | 2 | Health & Fitness |
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| Amble joinamble.com | 3 | News |
| Amentara amentara.com | 5 | Comedy |
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| American Financing americanfinancing.net | 7 | News |
| American Heart Association heart.org | 1 | Business |
| AmericanHempHub americanhemphub.com | 1 | News |
| Amgovcollege amgovcollege.org | 1 | Technology |
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| Anderson Quigley andersonquigley.com | 1 | Education |
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| Aquatrushower aquatrushower.com | 3 | Health & Fitness |
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| Armra armra.com | 11 | News |
| Artemis Fund Managers artemisfunds.com | 3 | News |
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| ASPCA Pet insurance aspcapetinsurance.com | 8 | TV & Film |
| Athena athena.com | 1 | Technology |
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| Aura Cybersecurity aura.com | 2 | News |
| AuraFrames auraframes.com | 5 | Comedy |
| Aurahouse aurahouse.com | 7 | True Crime |
| Avants avants.com | 1 | Leisure |
| Avemco avemco.com | 2 | Leisure |