National Doughnut Day is June 2 and several doughnut retailers are celebrating by dishing out freebies.

Dunkin Donuts

At participating Dunkin' Donuts, customers can get a free classic doughnut of their choice with the purchase of any beverage all day Friday while supplies last. www.dunkindonuts.com

Seriously, don't! #NationalDonutDay is Friday 6/2 -- Come in & get a FREE classic donut with the purchase of any beverage! ???? pic.twitter.com/jbYWrQ7Lku

— Dunkin' Donuts (@DunkinDonuts) May 31, 2017

Entenmann's

The baked goods company is hosting a sweepstakes to win free doughnuts for a year. www.entenmanns.com/en/nationaldonutday https://www.facebook.com/Entenmanns/videos/10155066085255155/

Krispy Kreme

Customers can pick up one free doughnut of their choice with no purchase necessary at participating locations. www.krispykreme.com/NDD

Free doughnut. Free pick of doughnut. Free-king awesome. Friday, June 2nd. (US/CAN). #NationalDoughnutDay https://t.co/u7txRVSydE pic.twitter.com/4OnjtOAuzy

— krispykreme (@krispykreme) May 24, 2017

Pena's Donut Heaven & Grill

Customers can receive one free glazed donut at their location in Pearland. https://www.facebook.com/128182123873493/photos/a.169963533028685.39501.128182123873493/1798218736869815/?type=3

Shipley Do-Nuts

Participating Shipley Do-nuts locations will give customers a free glazed doughnut with any purchase from 5 a.m.-noon. A portion of sales from Houston area locations will go to the Salvation Army. www.shipleydonuts.com

Brace yourself. #nationaldonutday is this Friday! Check out our Facebook page to find a participating location near you! A portion of Houston area sales will be donated to @salarmyhouston #shipleydonuts #donutday #donuts #sprinkles #glazeddonut #glazed #makelifedelicious #freedonut #free #freeglazed

A post shared by Shipley Do-Nuts (@shipleydonuts) on May 31, 2017 at 10:13am PDT

Weights and Measures

If customers buy one cake doughnut, they get one cake doughnut free while supplies last.

Do-Nut sleep in tomorrow ? It's #NationalDonutDay TOMORROW and we are celebrating with Buy One Get One cake donuts ?? citrus glazed, chocolate sprinkles, powdered sugar and chocolate coconut. Doors to the #BakeShop open at 7am. Be there or be square when they sell out. #bogodonuts

A post shared by Weights and Measures (@wmhtx) on Jun 1, 2017 at 9:19am PDT

From ABC 13