Livorno:

DAB Pumps
Dahua
Dale Consulting
Danaher Corporation
Darktrace Ltd.
Darly
Data Care
Datapizza S.r.l.
Dayco Canada Corp
Debeka Krankenversicherungsverein a.G. Lebensversicherungsverein a.G.
DeKalb County Regional Office of Education
Deltatre
Dental Monitoring
Deutsche Kreditbank Aktiengesellschaft
Devoteam Alegri GmbH
Devup Srl
DG Impianti Industriali S.p.A.
Di Domenico & Associati
Direzione Lavoro
direzione lavoro group
Discover International
Divermind
Do IT Now
Doctolib GmbH
Doctrine
Doist
dpv group
Dragonpass
DRD Recruiting
Drupalcenter.de
dubhe
DUNE Talent
Durst Group AG
DV Hotels Group
Dylog
Dylog Hitech