- Maine Root. ♦ Maine Root. Handcrafted Rootbeer ♦ Maine Root. Organic Sarsaparilla
- Manhattan Special ♦ Manhattan Special Diet Sarsaparilla ♦ Manhattan Special True Root Sarsaparilla
- Marco Beverages ♦ Marco Beverages Old fashioned Root Beer
- Marco Sodas ♦ Marco Sodas Birch Beer ♦ Marco Sodas Spruce Beer
- Margo's Bark ♦ Margo’s Bark Root Beer
- Mark\'s Original ♦ Mark's Original Birch Beer
- Market Basket ♦ Market Basket Birch Beer ♦ Market Basket Diet Root Beer ♦ Market Basket Root Beer ♦ Market Basket Sarsaparilla
- Mason Ale Works ♦ Mason Ale Works Violent Gentlemen Root Beer
- Mason's ♦ Mason's Root Beer
- Maui Brewing Co. ♦ Maui Brewing Co. Island Root Beer
- McCutcheon's ♦ McCutcheon's Birch Beer
- Meijer ♦ Meijer Diet Root Beer ♦ Meijer Root Beer
- Mercury Brewing Company ♦ Mercury Brewing Company Birch Beer ♦ Mercury Brewing Company Root Beer
- Michigan Brewing ♦ Michigan Brewing Miner's Brew Root Beer Soda
- Milligan's Island ♦ Milligan's Island Root Beer
- Millstream ♦ Millstream Old Time Rootbeer
- Mirinda ♦ Mirinda Root Beer
- Miss Lady ♦ Miss Lady Small Batch Root Beer
- Mom's ♦ Mom's Rootbeer
- Monterey Soda ♦ Monterey Soda Root Beer
- Moosejaw ♦ Moosejaw Root Beer
- More Good ♦ More Good Root Beer Syrup
- Mr Fizz ♦ Mr Fizz Root Beer
- Mr. D'z Route 66 ♦ Mr. D'z Route 66 Root Beer
- Mt Tom Beverage Co ♦ Mt Tom Beverage Co Rollie's Root Beer
- Mt. Angel ♦ Mt. Angel Root Beer
- Mug Brand ♦ Mug Brand Diet Root Beer ♦ Mug Brand Root Beer
- Mug N Bun ♦ Mug N Bun Root Beer
- Mustache Mike's Hand Crafted Sodas ♦ Mustache Mike's Hand Crafted Sodas Raw Dawg Root Beer
- My Private Label ♦ My Private Label Diet Root Beer ♦ My Private Label Root Beer ♦ My Private Label White Birch Beer
- Myers Ave ♦ Myers Ave Red Root Beer
- Mystic Seaport ♦ Mystic Seaport Root Beer ♦ Mystic Seaport Sarsaparilla
- Napa Valley Soda Co ♦ Napa Valley Soda Co Root Beer
- Naturale 90 ♦ Naturale 90 Root Beer Soda
- Nickel Brook Brewery ♦ Nickel Brook Brewery Babbling Brooke's Root Beer
- NM Sarsaparilla ♦ NM Sarsaparilla Billy the Kid Sarsaparilla ♦ NM Sarsaparilla Pat Garrett Diet Sarsaparilla
- Nokian ♦ Nokian Sun'n Root Beer
- Norka Sparkling Beverages ♦ Norka Sparkling Beverages Root Beer
- North Star Craft Soda ♦ North Star Craft Soda Root Beer
- Northwoods ♦ Northwoods Natural Bill’s Root Beer ♦ Northwoods Skinny Bill’s Diet Root Beer ♦ Northwoods Wild Bill’s Root Beer
- O'Sippie ♦ O'Sippie Root Beer
- O-So Good ♦ O-So Good Vanilla Butterscotch Root Beer
- O-Zell ♦ O-Zell Root Beer Float
- Oak Creek ♦ Oak Creek Barrel Aged Root Beer ♦ Oak Creek Blonde Barrel Aged Root Beer
- Ol Bob Miller's ♦ Ol Bob Miller's Prospector Style Red Sas'parilla
- Old 52 ♦ Old 52 Special Brew
- Old Forge Brewing ♦ Old Forge Brewing Root Beer
- Old Hickory ♦ Old Hickory Root Beer Extract
- Old Keg ♦ Old Keg Root Beer
- Old Mill ♦ Old Mill Sarsaparilla
- Old Red Eye ♦ Old Red Eye Root Beer
- Old Soaker ♦ Old Soaker Root Beer
- Old Town Root Beer Company ♦ Old Town Root Beer Company D-n-A Root Beer ♦ Old Town Root Beer Company Root Beer ♦ Old Town Root Beer Company Root Beer 66 ♦ Old Town Root Beer Company Sarsparilla
- Old Towne ♦ Old Towne Root Beer
- Olde Brooklyn ♦ Olde Brooklyn Bayridge Birch Beer ♦ Olde Brooklyn Diet Williamsburg Root Beer ♦ Olde Brooklyn Williamsburg Root Beer ♦ Olde Brooklyn Williamsburg Root Beer - old recipe
- Olde Heritage ♦ Olde Heritage Root Beer
- Olde Philadelphia ♦ Olde Philadelphia Diet Root Beer ♦ Olde Philadelphia William Penn Root Beer
- Oogave ♦ Oogave Esteban's Rootbeer ♦ Oogave Esteban's Rootbeer - old formula
- Oop! Juice ♦ Oop! Juice Birch Beer ♦ Oop! Juice Root Beer
- Original New York Seltzer ♦ Original New York Seltzer Classic Blend Root Beer Sparkling Water
- Otter Creek Winery ♦ Otter Creek Winery Black Sheep Root Beer
- Our Family ♦ Our Family Root Beer
- Ozark Mountain Bottleworks ♦ Ozark Mountain Bottleworks Root Beer
- P&H Soda Co ♦ P&H Soda Co Sarsaparilla Soda Syrup
- Page Brewing ♦ Page Brewing Dorothy's Isle of Pines Root Beer
- Pallino ♦ Pallino Root Beer
- Parade ♦ Parade Root Beer Soda
- Pat's Backcountry Beverages ♦ Pat's Backcountry Beverages Bear Foot Root Beer
- Pathmark ♦ Pathmark Old Fashioned Draft Style Birch Beer ♦ Pathmark Old Fashioned Draft Style Root Beer
- Peace Tree Brewing Co ♦ Peace Tree Brewing Co Root Beer
- Pearson Bros. ♦ Pearson Bros. Root Beer
- Pennsylvania Dutch ♦ Pennsylvania Dutch Diet Birch Beer ♦ Pennsylvania Dutch Red Birch Beer ♦ Pennsylvania Dutch Sparkling Birch Beer
- Penny Frosted ♦ Penny Cola Frosted Root Beer
- Phantom Ales ♦ Phantom Ales Root Beer
- Phillips Soda Works ♦ Phillips Soda Works Captain Electro's Intergalactic Root Beer
- Pirate's Keg ♦ Pirate's Keg Diet Root Beer ♦ Pirate's Keg Root Beer
- Pithy Little Soda Works ♦ Pithy Little Soda Works Root Beer
- Pittsburgh Soda Pop ♦ Pittsburgh Soda Pop American Classic Root Beer ♦ Pittsburgh Soda Pop Birch Beer ♦ Pittsburgh Soda Pop Licorice Root Beer ♦ Pittsburgh Soda Pop Sarsaparilla ♦ Pittsburgh Soda Pop Spiced Root Beer ♦ Pittsburgh Soda Pop Vanilla Root Beer
- Point ♦ Point Premium Diet Root Beer ♦ Point Premium Root Beer
- Polar ♦ Polar Birch Beer ♦ Polar Cape Cod Dry Birch Beer ♦ Polar Classics Premium Diet Root Beer ♦ Polar Classics Premium Root Beer ♦ Polar Root Beer ♦ Polar Wild West Sarsaparilla
- Polly's Pop ♦ Polly's Pop Root Beer
- Port Jeff Brewing Co ♦ Port Jeff Brewing Co Birch Beer
- Potosi Brewery ♦ Potosi Brewery Root Beer
- President's Choice ♦ President's Choice Old Fashioned Root Beer
- Price Chopper ♦ Price Chopper Root Beer
- Private Label ♦ Private Label Root Beer ♦ Private Label Sarsaparilla
- Propeller ♦ Propeller Root Beer
- Pub Dog ♦ Pub Dog Root Beer
- Publix ♦ Publix Diet Root Beer ♦ Publix Root Beer
- Pure Sodaworks ♦ Pure Sodaworks Root Beer #4
- Q&V ♦ Q&V Root Beer
- Quick Check ♦ Quick Check Root Beer
- R & B Produce ♦ R & B Produce Homemade Root Beer
- Raccoon River Brewing Co ♦ Raccoon River Brewing Co Root Beer
- Rainbow Extracts ♦ Rainbow Extracts Birch Root Beer ♦ Rainbow Extracts Root Beer ♦ Rainbow Extracts Sarsaparilla
- Raley's ♦ Raley's Craft Soda Root Beer ♦ Raley's Craft Soda Sarsaparilla
- Ramblin ♦ Ramblin Maple Root Beer
- Ramblin' ♦ Ramblin Butterscotch Root Beer
- Reading Draft ♦ Reading Draft Birch Beer ♦ Reading Draft Blueberry Birch Beer ♦ Reading Draft Creamy Red Birch Beer ♦ Reading Draft Diet Root Beer ♦ Reading Draft Root Beer ♦ Reading Draft Sarsaparilla ♦ Reading Draft White Birch Beer