• D.R. Horton

• Daifuku

• Daikin Applied

• Daimler

• Daktronics

• Daley and Associates

• Dallas County

• Dana-Farber Cancer Institute

• Danbury Public Schools District

• Dane Street

• Danone

• Danta Technologies

• Dartmouth-Hitchcock Medical Center

• DATTCO

• Datto

• Dave & Buster's

• Dave Ramsey

• Davenport Community Schools

• Davey Tree

• David's Bridal

• DaVita

• Davron

• Day Kimball Hospital

• Dayton Area School Consortium

• Daytona State College

• DBD Staffing

• DCH

• DDB

• Deaconess Health System

• Decatur Memorial Hospital

• Decatur Public Schools

• Decide Consulting

• Decisive Communications

• Decker Truck Line

• Decypher

• Defenders

• Defense Engineering

• Del Monte Lodge

• Del Taco

• Delaware North

• Delaware Resource Group

• Delaware State University

• Deloitte

• Delray Medical Center

• Delta Air Lines

• Delta Dental

• Delta Healthcare Providers

• Deluxe Corporation

• Demandbase

• Dendreon Corporation

• Denny's

• Denodo Technologies

• Denso

• Dent Wizard International

• Dental Care Alliance

• DentaQuest

• Department of Veteran Affairs

• DePaul

• Derby Public Schools

• Derive

• Desert De Oro Foods

• Desert Lumber and Truss

• Desert Regional Medical Center

• Destination Maternity Corporation

• Detroit Medical Center

• Devereux Advanced Behavioral Health

• DeWolff Boberg & Associates

• DG Smith Enterprises

• DHL Express

• DialAmerica

• Dialysis Clinic

• Diamond Parking

• Diamond Resorts International

• Diamondback

• DiBellas Old Fashioned Subs

• DICK'S Sporting Goods

• Diedre Moire Corp.

• Digital First Media

• Digital Realty

• Dignity Health

• Dine Development Corporation

• Direct Sales Recruiting

• Discount Tire

• Discover Goodwill

• DiscoverOrg

• Discovery Communications

• DISH Network

• DIVERSANT

• Diversified Systems

• DK Security

• DLR Group

• DLZ Corporation

• DMC Children's Hospital

• DMC Harper University Hutzel Women's Hospital

• DMC Huron Valley-Sinai Hospital

• DMC Medical Group

• DMC Receiving Hospital

• DMC Rehabilitation Institute of Michigan

• DMC Sinai-Grace Hospital

• DMC University Laboratories

• DMI

• Doctors Hospital

• Doctors Medical Center of Modesto

• Docusign

• Dodges Stores

• Dole Packaged Foods

• Dolese Bros Co

• Dollar General

• Dominion

• Dominion Energy

• Domino's Pizza

• Donatos

• DoorDash

• Doral

• Dortch Enterprises

• Dot Foods

• Dover

• Dover Downs Hotel & Casino

• Dow Chemical

• Doyon Universal

• DPI Specialty Foods

• DraftKings

• Dragas Group

• Drayer Physical Therapy

• Drees Homes

• Drilling Info

• Driven Brands

• DRM Arbys

• Dropbox

• Drury Hotels

• Drybar Holdings

• DS Waters of America

• DST Systems

• DSW

• DTI

• DTLR

• Duane Reade

• Dublin City Schools

• Duff & Phelps

• Dun & Bradstreet

• Dunkin Brands

• Dunne Manning

• DuPage High School District

• DuPage Medical Group

• DuPont

• Durham Public Schools

• DXC Technology

• DXL Group

• Dynamic Signal

• DynCorp International

• Dysart Unified School District

• Dyson