American video-sharing website headquartered in San Bruno, California.

We put together a list of the biggest companies that use YouTube, along with some YouTube testimonials and YouTube case studies.

Here's the list:

1. PureFilters

PureFilters is a water filter store started by Jay Vasantharajah in 2015. PureFilters uses YouTube for their social media.

More about PureFilters: Purify your air and water with PureFilters, a trusted air and water filtration brand. We're your online source for filtration products like humidifier pads, water filters & furnace filters in Canada. We carry all the major brands and sizes and we make customers size filters as well.

2. DULO

DULO is a men's clothing line started by Julian Samarjiev in 2017. DULO uses YouTube for their social media.

More about DULO: Dress shirts from performance fabrics. Sports performance and comfort. Never iron, always look great, a 4-way stretch fabric moves with you, odor repellent, machine washable. Made in Europe. Shop now.

3. Bay Sports

Bay Sports is a kayak store started by Hamish in 2012. Bay Sports uses YouTube for their social media.

More about Bay Sports: Bay Sports offers the best quality kayaks, inflatable stand-up paddleboards, surf skis, and more. It was established in 2012 and is a family-owned and run Australian business. They are a team of water sports enthusiasts. The Bay Sports has been featured in the Daily Telegraph, The Manly Daily, and BuzzFeed.

4. Robo 3D

Robo 3D is a 3d printing business started by Braydon Moreno in 2017. Robo 3D uses YouTube for their social media.

More about Robo 3D: ROBO 3D Printers is the consumer's choice top personal 3D printer in the market. We offer amazingly priced 3D printers, accessories, and more for all consumers.

5. MindJournal

MindJournal is a journal brand started by Ollie Aplin in 2016. MindJournal uses YouTube for their social media.

More about MindJournal: Achieve your biggest goals, live your wildest dreams and face your scariest fears with MindJournal – the groundbreaking journal for men.

6. TomboyX

TomboyX is a men's underwear brand started by Fran Dunaway in 2013. TomboyX uses YouTube for their social media.

More about TomboyX: Comfortable underwear made for unapologetic people of all sizes and genders. Browse our collection of eco-friendly underwear for all today.

7. ATC Memes

ATC Memes is a women's clothing line started by David Lombardo in 2015. ATC Memes uses YouTube for their social media.

More about ATC Memes: Home of the coolest aviation apparel on the planet. Aviation Gear for pilots, flight attendants, controllers, and aviation enthusiasts. Call Today 800-666-8098

8. Happily Ever Borrowed

Happily Ever Borrowed is a wedding rental business started by Brittany Finkle in 2011. Happily Ever Borrowed uses YouTube for their social media.

More about Happily Ever Borrowed:

9. Ventana Surfboards & Supplies

Ventana Surfboards & Supplies is a surfboard business started by David Dennis in 2014. Ventana Surfboards & Supplies uses YouTube for their social media.

More about Ventana Surfboards & Supplies:

10. Think Crucial

Think Crucial is an appliance repair business started by Chad Rubin in 2008. Think Crucial uses YouTube for their social media.

More about Think Crucial: Quality replacement parts with free shipping & unbeatable pricing! Think Crucial sells filters for your vacuum, pool or HVAC, to home, garden & office supplies.

11. Dick At Your Door

Dick At Your Door is a dessert boxes store started by Adam Hascall in 2015. Dick At Your Door uses YouTube for their social media.

More about Dick At Your Door:

12. Mini Materials

Mini Materials is a woodworking business started by Mat Hofma & Erik Polumbo in 2015. Mini Materials uses YouTube for their social media.

More about Mini Materials: Miniature Cinder Blocks and Mini Construction Materials

13. Joker Greeting

Joker Greeting is a greeting cards business started by Travis Peterson in 2015. Joker Greeting uses YouTube for their social media.

More about Joker Greeting: Joker Greeting is a prank musical greeting card. Cards lasts 3+ hours and get louder when you press button again. Joker Greeting is the funniest greeting card.

14. Starter Story

Starter Story is a niche blog started by Pat Walls in 2017. Starter Story uses YouTube for their social media.

More about Starter Story: Starter Story interviews successful entrepreneurs and shares the stories behind their businesses. In each interview, we ask how they got started, how they grew, and how they run their business today.

15. Beardbrand

Beardbrand is a men's grooming company started by Eric Bandholz in 2012. Beardbrand uses YouTube for their social media.

More about Beardbrand: Beard care products from the best beard company. Shop for natural beard oil, mustache wax, soap, combs and beard kits from Beardbrand.

16. PEAR Cards

PEAR Cards is a card game started by Matthew Roberts in 2017. PEAR Cards uses YouTube for their social media.

More about PEAR Cards: PEAR - Positive Engagement And Response - is about positively interacting with others and promoting positivity. Think Positive. Be Positive.

17. Micro Bikes UK

Micro Bikes UK is a dirt bike business started by Stephen Wright in 2017. Micro Bikes UK uses YouTube for their social media.

More about Micro Bikes UK: Micro Bikes UK is the ultimate one stop shop for performance kids toys. We stock a large range of mini bikes, kids petrol quads, scooters, pit bikes and electric ride on cars.

18. w.o.d.welder

w.o.d.welder is a skin care product line started by Keegan Pafford in 2013. w.o.d.welder uses YouTube for their social media.

More about w.o.d.welder:

19. De Novo Nutrition

De Novo Nutrition is a supplements company started by Ben Esgro in 2013. De Novo Nutrition uses YouTube for their social media.

More about De Novo Nutrition: Elemental Formulations. Effective and research-backed supplements you can trust. We creatively set the standard for sports supplements.

20. Retro Radio Farm

Retro Radio Farm is an electronics repair business started by Allen Chiang in 2014. Retro Radio Farm uses YouTube for their social media.

More about Retro Radio Farm: Vintage Antique Retro Tube Radios For Sale. Huge Selection of Antique and Vintage Radios. Bluetooth MP3 or Alexa Added! Repairing, Troubleshooting, Fixing Antique Vintage Plastic, Wood or Bakelite Radios. Crosley, Motorola, RCA Victor, General Electric, Philco, Zenith, Emerson, Stewart Warner, Admiral, Westinghouse

21. Alitura Naturals

Alitura Naturals is a skin care product line started by Andy Hnilo in 2014. Alitura Naturals uses YouTube for their social media.

More about Alitura Naturals: The best all natural skin care products. Exfoliate Skin. Minimize Pores. Stimulate Blood Flow. Experience Ultra-Premium, Anti-Aging Skin Care.

22. HUSKYBEARD

HUSKYBEARD is a mens grooming product started by Ray Moyers in 2016. HUSKYBEARD uses YouTube for their social media.

More about HUSKYBEARD: Simply the best beard care grooming products available. Shop Beard Oils, Beard Combs, Beard Brushes, Trimming Scissors, and Beard Grooming Kits at HUSKYBEARD.

23. Encircled

Encircled is a women's clothing line started by Kristi Soomer in 2012. Encircled uses YouTube for their social media.

More about Encircled: Encircled creates versatile minimalist clothes with the traveler in mind. All clothing is Made in Canada, from sustainable and eco friendly materials

24. OceanZen

OceanZen is a women's clothing line started by Steph Gabriel in 2014. OceanZen uses YouTube for their social media.

More about OceanZen: OceanZen Bikini is Australia's leading ethical and sustainable swimwear and bikini label. Our swimwear pieces are made from recycled plastic bottles and fishing nets from the ocean. Shop our latest sustainable and ethical bikini Collection. 100% great for the environment.

25. Suffolk Latch Company

Suffolk Latch Company is a furniture business started by Carl Benson in 2007. Suffolk Latch Company uses YouTube for their social media.

More about Suffolk Latch Company: Suppliers of traditional hand forged ironmongery. Hand made suffolk thumb latches and authentic T hinges and rose head nails, finished in a bees wax coating.

26. ScrubzBody Skin Care Products

ScrubzBody Skin Care Products is a skin care product line started by Roberta Perry in 2006. ScrubzBody Skin Care Products uses YouTube for their social media.

More about ScrubzBody Skin Care Products: Your skin will be soft, smooth and moisturized, but not greasy! Simple, natural ingredients make simply awesome skincare!

27. SWAGGER Magazine

SWAGGER Magazine is a digital magazine started by Drew Williams in 2007. SWAGGER Magazine uses YouTube for their social media.

More about SWAGGER Magazine: SWAGGER is North America's premiere modern men's lifestyle magazine. Get the latest tips and trends for men's style, grooming, gear, travel, and more.

28. Xero Shoes

Xero Shoes is a shoe brand started by Steven Sashen in 2009. Xero Shoes uses YouTube for their social media.

More about Xero Shoes: Xero Shoes provides comfortable footwear for men, women, kids. It promises to give your foot the right protection, support, and comfort. It is backed by their 5,000-mile sole warranty. Xero Shoes is founded by husband and wife duo Steven and Lena. Their shoes have been featured in Los Angeles Times, Runners, NBC, The New York Times, and many other platforms.

29. Jamie Clawson

Jamie Clawson is a leather business started by Jamie Clawson in 2011. Jamie Clawson uses YouTube for their social media.

More about Jamie Clawson: Premium Leather Accessories for iPhone XS, iPhone X, iPhone 8, iPhone 7, iPhone 6, MacBook, iPad and more. Handmade in New York City.

30. QALO

QALO is a jewelry making business started by KC Holiday in 2013. QALO uses YouTube for their social media.

More about QALO: QALO silicone rings are made specifically for the active lifestyle providing a safe, comfortable alternative to the typical engagement & wedding ring bands.

31. Kitchen Safe

Kitchen Safe is a tupperware business started by David Krippendorf in 2012. Kitchen Safe uses YouTube for their social media.

More about Kitchen Safe: The kSafe by Kitchen Safe is a time-lock container that helps you form good habits. It can only be opened when the timer reaches zero. No overrides!

32. Tortuga

Tortuga is a backpack line started by Fred Perrotta in 2010. Tortuga uses YouTube for their social media.

More about Tortuga: "The Best Carry On Travel Bag." -The Wirecutter. Shop carry-on-sized travel backpacks, daypacks, and duffles. Free shipping in the US for orders $49+. Flat-rate shipping worldwide.

33. GhostBed by Nature's Sleep

GhostBed by Nature's Sleep is a bedding company started by Marc Werner in 2001. GhostBed by Nature's Sleep uses YouTube for their social media.

More about GhostBed by Nature's Sleep : Ghost Bed Mattresses are beautifully designed & engineered to improve your sleep. Built in the USA with a 20-year warranty & 101-day risk free trail. From $499.

34. Tediber

Tediber is a bedding company started by Julien Sylvain in 2015. Tediber uses YouTube for their social media.

More about Tediber: Des produits d'une qualité incroyable au confort unique, fabriqués près de chez vous. Livraison express et gratuite sur le créneau de votre choix. 100 nuits d'essai, retour simple et gratuit sans conditions. Paiement en 3x sans frais.

35. Igloohome

Igloohome is an IoT startup started by Anthony Chow in 2017. Igloohome uses YouTube for their social media.

More about Igloohome:

36. Lever Gear

Lever Gear is a multi-tool brand started by Mike Scully in 2015. Lever Gear uses YouTube for their social media.

More about Lever Gear: Lever Gear is changing the way you carry by creating and curating exceptional everyday carry. Browse our selection of empowering, compact gear today!

37. Laceez, Inc.

Laceez, Inc. is a shoelace brand started by Jason Flores in 2015. Laceez, Inc. uses YouTube for their social media.

More about Laceez, Inc.: No Tie Shoelaces by LACEEZ™ shoes slip-on easy, stay-on secure. Best elastic shoelace design tips lock-in fashion, comfort, ease. FREE SHIPPING PROMOS

38. THE MAXBIT

THE MAXBIT is a gardening tools company started by Dr. Michele M. Morgan in 2016. THE MAXBIT uses YouTube for their social media.

More about THE MAXBIT: THE MAXBIT digs the perfect hole every time. Dig it. Plant it. Done. You can maximize gardening productivity with the newest technology that simply attaches to a power drill, saving you time and the aches and pains that follow weekends of gardening and landscaping. THE MAXBIT's patented curved-angle design pushes dirt out of the ground and digs the perfect hold every time.

39. KPOP Foods

KPOP Foods is a hot sauce business started by Theo Lee in 2017. KPOP Foods uses YouTube for their social media.

More about KPOP Foods: KPOP Foods is the new brand helping people discover and enjoy Korean food and flavors. The LA startup creates delicious food products such as a versatile gochujang sauce and an organic, roasted seaweed snack that invite today’s generations to easily take part in the ultimate social experience that is Korean food.

40. Love Is Project

Love Is Project is a jewelry product started by Chrissie Lam in 2017. Love Is Project uses YouTube for their social media.

More about Love Is Project: The #loveisproject connects people around the world through a universal message of LOVE. Empower artisan communities through an ethical supply chain. Shop now!

41. CoziGo

CoziGo is a children's clothing business started by Emma Lovell in 2015. CoziGo uses YouTube for their social media.

More about CoziGo: CoziGo offers sleep & sun protection covers for prams & airline cots. The brand has won the GOLD award for delivering a great quality product for babies. They are considered the best brand for baby strollers.

42. The Longhairs

The Longhairs is a hair product line started by Chris Healy in 2014. The Longhairs uses YouTube for their social media.

More about The Longhairs: The Longhairs publishs tips and tactics for guys with locks, interview successful professionals and educate guys growing their manes.

They are industry leaders in hair products for men's long hair with ten thousand five-star reviews and have even been featured on Shark Tank.

43. Peaceful Fruits

Peaceful Fruits is a food startup started by Evan Delahanty in 2014. Peaceful Fruits uses YouTube for their social media.

More about Peaceful Fruits: Acai-infused organic and all-natural fruit strips that are processed by hand in Akron, Ohio and made with real fruit!

44. Pain Care Labs

Pain Care Labs is a medical device company started by Amy Baxter MD in 2006. Pain Care Labs uses YouTube for their social media.

More about Pain Care Labs: Buzzy uses natural pain relief to block needle pain for blood draws and shots. Proven in clinical trials to reduce fear and phobia, Bee and Ladybug designs work for children and adults. Buzzy is used for vaccines injections site reactions by patients on insulin Humira Enbrel IVF growth hormone biologics and more!

45. SmartyPits

SmartyPits is a deodorant brand started by Stacia Guzzo in 2014. SmartyPits uses YouTube for their social media.

More about SmartyPits: SmartyPits is helping the world go aluminum-free, one deodorant stick at a time. Plus. a portion of sales go towards fighting breast cancer! Order today:

46. Outlaw

Outlaw is a soap business started by Danielle Vincent in 2013. Outlaw uses YouTube for their social media.

More about Outlaw: Handmade soaps, body wash, lip balms, and colognes that smell like whiskey, campfire, leather, and bacon... basically, everything that makes life worthwhile.

47. CanvasChamp

CanvasChamp is a photo printing business started by Jainam Shah in 2012. CanvasChamp uses YouTube for their social media.

More about CanvasChamp: Looking for cheap canvas prints? You will find them right here, but the only thing cheap about our product is its pricing. ✅ Free Shipping over $69. ✅ Lowest Price Guaranteed. ✅ Over 2M prints sold. Turn your photos into canvas prints - it's cheap!

48. Dock and Bay

Dock and Bay is a towels business started by Andy Jefferies in 2015. Dock and Bay uses YouTube for their social media.

More about Dock and Bay: Dock & Bay | Makers of the best quick-drying, lightweight microfiber towels around. Shop our unique collections to choose your perfect beach, travel & fitness accessory

49. TIMEFLIP

TIMEFLIP is a time tracking app started by Pavel Cheshev in 2016. TIMEFLIP uses YouTube for their social media.

More about TIMEFLIP: Time tracking made tangible

50. Crimibox

Crimibox is a mystery game store started by Jimmy Cowe in 2017. Crimibox uses YouTube for their social media.

More about Crimibox: Crimibox is de eerste organisatie die inspeelt op een nieuw spelconcept. De alternatieve reality game.

Did you know that brands using Klaviyo average a 95x ROI?