| KohlKohl's | Shop Clothing, Shoes, Home, Kitchen, Bedding, Toys & More | Retail | Menomonee Falls | WI | > $1B |
| KAYAKSearch Flights, Hotels & Rental Cars | KAYAK | Internet | Norwalk | CT | $100 - 250M |
| | Computer Games | New York | NY | $50 - 100M |
| | Computer Games | San Francisco | CA | $1 - 10M |
| Kaspersky Lab
Kaspersky Lab US | Antivirus & Internet Security Protection Software
| Computer Software | Moscow | Moscow | > $1B |
| KSL-TVUtah News, Sports, Weather and Classifieds | KSL.com | Newspapers | Salt Lake City | UT | $100 - 250M |
| | Retail | Hoffman Estates | IL | > $1B |
| | Internet | Milano | Lombardia | $1 - 10M |
| | Broadcast Media | Tel Aviv | | $50 - 100M |
| K12Online Education Programs & Schooling | K12 | E-Learning | Herndon | VA | > $1B |
| | Computer Games | Hong Kong | West Pomeranian District | |
| KissmetricsCustomer Intelligence & Web Analytics | Kissmetrics | Internet | San Francisco | CA | $1 - 10M |
| Kate Spade
Kate Spade New York – Handbags, Clothing, Jewelry and All Your New Favorites!
| Apparel & Fashion | North Bergen | NJ | $100 - 250M |
| | Mining & Metals | Montral | QC | $10 - 50M |
| | Airlines/Aviation | Los Angeles | CA | > $1B |
| | Internet | Orlando | FL | $1 - 10M |
| Kaymu.pkOnline Shopping in Pakistan - Buy & Sell Online | Kaymu.pk | Internet | Lahore | | $1 - 10M |
| KiplingerPersonal Finance News, Investing Advice, Business Forecasts | Publishing | Washington | DC | $10 - 50M |
| KABCLos Angeles and Southern California News - ABC7 KABC | Broadcast Media | Glendale | CA | $0 - 1M |
| KTLAKTLA | Los Angeles News and Video for Southern California | Broadcast Media | Los Angeles | CA | $10 - 50M |
| Komo NewsSeattle News, Weather, Sports, Breaking News | KOMO | Broadcast Media | Seattle | WA | $1 - 10M |
| KUSA-TVDenver's Leading Local News: Weather, Traffic, Sports and more | Denver, Colorado | 9news.com | Broadcast Media | Denver | CO | $10 - 50M |
| | Apparel & Fashion | Munich, | | $0 - 1M |
| | Internet | Graz | | |
| Keurig, Inc.Single Serve Coffee Makers & K-Cup Pods | Keurig® | Consumer Goods | Reading | MA | > $1B |
| | Retail | Twinsburg | OH | $1 - 10M |
| KeysurveyOnline survey software & questionnaire tool, survey maker - Key Survey | Information Technology and Services | Braintree Town | MA | $1 - 10M |
| | Broadcast Media | Seattle | WA | $10 - 50M |
| KingstonKingston - Largest Independent Manufacturer of Memory Products | Computer Hardware | Fountain Valley | CA | > $1B |
| | Broadcast Media | Golden Valley | MN | $10 - 50M |
| | Nonprofit Organization Management | San Francisco | CA | $10 - 50M |
| | Information Technology and Services | Chicago | IL | $10 - 50M |
| KHOU-TVHouston News, Weather, Traffic & Sports | Texas News | KHOU.com | khou.com | Broadcast Media | Houston | TX | $50 - 100M |
| Kirkland'sHome Decor, Wall Decor, Furniture, Unique Gifts | Kirklands | Retail | Nashville | TN | > $1B |
| | Publishing | Shibuya-ku | Tokyo | |
| KHNL-TVHome - Hawaii News Now - KGMB and KHNL | Broadcast Media | Urban Honolulu | HI | $50 - 100M |
| KajabiKajabi - Easily Market, Sell, and Deliver Your Content Online | Computer Software | | | |
| KXAN-TVKXAN.com | Austin News & Weather – Austin Texas, Round Rock, TX | Broadcast Media | | | $10 - 50M |
| | | | | |
| | Hospitality | Campbellville | MT | $100 - 250M |
| Ka-Bu株のことならネット証券会社【カブドットコム証券】｜株、IPO、投信、FXと多彩な商品とサービスのラインアップ | Banking | Detroit | MI | $1 - 10M |
| | | | | |
| KajabiKajabi - Easily Market, Sell, and Deliver Your Content Online | Computer Software | Irvine | CA | $1 - 10M |
| Katu NewsPortland News, Weather, Sports, Breaking News | KATU | Consumer Services | Portland | OR | $10 - 50M |
| | | SEBRING | FL | |
| | Retail | | | > $1B |
| KashFlowOnline Accounting Software, Bookkeeping Software For Small Businesses - KashFlow | Computer Software | London | | $1 - 10M |
| KGW TVPortland Breaking News, Weather, Traffic, Sports | KGW.com | Broadcast Media | Portland | OR | $10 - 50M |
| KitchenAid
Kitchen Appliances to Bring Culinary Inspiration to Life | KitchenAid
| Consumer Goods | Benton Harbor | MI | $10 - 50M |
| | Media Production | Oklahoma City | OK | $100 - 250M |
| | Entertainment | Cresbard | SD | $0 - 1M |
| | Broadcast Media | Everett | WA | $10 - 50M |
| | Broadcast Media | St. Louis, Missouri | | $10 - 50M |
| | Broadcast Media | Bakersfield | CA | $50 - 100M |
| KSTP TV LLC.KSTP TV - Minneapolis and St. Paul - News, Weather and Sports | KSTP.com | Broadcast Media | St. Paul | MN | $500M - 1B |
| | Publishing | | | |
| | Newspapers | Oulu | Oulu | $100 - 250M |
| | Food & Beverages | Mumbai | Maharashtra | $10 - 50M |
| KSTU Fox 13 TVfox13now.com | News for Salt Lake City, Ogden, Provo and beyond | Broadcast Media | Salt Lake City | UT | $1 - 10M |
| KEEN
Official KEEN® Site | Largest Selection of KEEN Shoes, Boots & Sandals
| Apparel & Fashion | Portland | OR | $10 - 50M |
| KRON-TVKRON4.com | San Francisco Bay Area News and Weather | Broadcast Media | San Francisco | CA | $10 - 50M |
| KVUE MEDIAKVUE.com | Austin News, Weather, Traffic & Sports | Texas News | KVUE.com | Broadcast Media | | | $10 - 50M |
| | Broadcast Media | Bucharest | Bucharest | $50 - 100M |
| KlaviyoKlaviyo - Deliver Smarter Marketing | Internet | Boston | MA | $0 - 1M |
| KeljobKeljob | Offres d'emploi et de stage dans toute la France. | Internet | Paris | le-de-France | $1 - 10M |
| KichinkKichink | La solución integral de comercio electrónico líder en México | Internet | Mexico | DF | $1 - 10M |
| | Broadcast Media | Beaverton | OR | $1 - 10M |
| KMOV-TVSt. Louis News, Weather, Sports and Traffic - KMOV.com | Broadcast Media | St Louis | MO | $10 - 50M |
| | Broadcast Media | Santa Monica | CA | $10 - 50M |
| Karmaloop.comStreetwear Clothing, Footwear, and Accessories - Karmaloop.com | Apparel & Fashion | Boston | MA | $50 - 100M |
| Kirkus ReviewsBook Reviews, Sites, Romance, Fantasy, Fiction | Kirkus Reviews | Writing and Editing | | | $1 - 10M |
| | Publishing | CEDAR RAPIDS | IA | $10 - 50M |
| | Broadcast Media | San Diego | CA | $10 - 50M |
| Keyhole.coHashtag Tracking for Twitter, Instagram and Facebook - Keyhole | Internet | Toronto | | $0 - 1M |
| | Marketing and Advertising | Kansas | OK | $10 - 50M |
| Kendra ScottKendra Scott | Shop Jewelry for Women, Home Décor and Beauty | Luxury Goods & Jewelry | | | $10 - 50M |
| Keen IOKeen Online Psychics, Tarot Readings, and Love Advice | Computer Software | Woodinville | WA | > $1B |
| | Consumer Electronics | Indianapolis | IN | $500M - 1B |
| | Cosmetics | New York | NY | $10 - 50M |
| KEH IncUsed Cameras & Photography Equipment Store | Buy & Sell on KEH Camera | KEH Camera | Photography | Smyrna | GA | $10 - 50M |
| | Computer Hardware | | | $0 - 1M |
| | Broadcast Media | Sioux Falls | SD | $50 - 100M |
| | Retail | Port Melbourne | Victoria | $100 - 250M |
| | Computer Software | San Jose | CA | $10 - 50M |
| | Online Media | Lexington | KY | $0 - 1M |
| Kitbag
Kitbag.com - Huge Range of Football Shirts and Equipment
| Sporting Goods | Middleton | | $0 - 1M |
| KareoThe software platform built for your independent practice | Kareo | Computer Software | Irvine | CA | $50 - 100M |
| KY3 Inc. (KYTV)KY3 Springfield, Missouri News, Weather, and Sports in the Ozarks | KY3 - Home | Broadcast Media | Springfield | MO | $10 - 50M |
| KOB-TVKOB 4 - Albuquerque News, New Mexico News, Eyewitness News 4 | KOB.com | Broadcast Media | Albuquerque | NM | $10 - 50M |
| | Broadcast Media | Cincinnati | OH | $10 - 50M |
| | Hospitality | San Francisco | CA | $500M - 1B |
| KenshooKenshoo - The Leading Agile Marketing Technology | Kenshoo | Internet | San Francisco | CA | $100 - 250M |
| | Apparel & Fashion | New York | NY | $100 - 250M |
| KontextuaKontextua | Monetiza tu sitio Web con nuestros in-Text ads. | Internet | Capital Federal | Buenos Aires | $1 - 10M |
| | Media Production | San Luis Obispo | CA | $10 - 50M |
| | Information Technology and Services | Chennai | Tamil Nadu | $250 - 500M |
| | | HERNANDO | FL | |
| KENS 5San Antonio's News, Weather, Traffic, Sports and More | San Antonio, Texas | kens5.com | Broadcast Media | SAN ANTONIO | TX | $10 - 50M |
| KWWLHOME - KWWL - Eastern Iowa Breaking News, Weather, Closings | Broadcast Media | Waterloo | IA | $10 - 50M |
| KTNVLas Vegas, Nevada News and Weather | KTNV-TV | Channel 13 | Broadcast Media | Paradise | NV | $10 - 50M |
