| Harald Ruso – | privat |
| wolterke – | Standard Editorial |
| UTZ Certified – | Standard |
| Freepik |
| Freepik – | Premium-Lizenz |
| Freepik – |
| – | Premium-Lizenz |
| – | Premium-Lizenz |
| – | Premium-Lizenz |
| – | Premium-Lizenz |
| – – | Premium-Lizenz |
| HoGs Villa Blau – |
| stockpics – | Standard |
| Aerzte ohne Grenzen e.V. | Frei |
| Boggy – AdobeStock | Standard Lizenz |
| geralt – | frei |
| Prostock-studio – | Standard |
| Het Financieele Dagblad – | privat |
| fd Gazellen 2019 – | Frei |
| Sarah Bruhn – | privat |
| Antonio – | Standard |
| Katharina Koch | Privat |
| Dr. Carsten Steinhoff | Privat |
| Deutsche Hypo | Standard |
| Snowflake | Standard |
| Datadricks | Standard |
| Talend | Partner |
| Talend | Privat |
| BillionPhotos.com | Standard Lizenz |
| Oliver Fromm | Privat |
| Sophie Pabst | Privat |
| Africa Studio | Standard |
| Die besten Unternehmen für Familien 2019 | Privat |
| Die besten Unternehmen für Familien 2019 | Privat |
| Die besten Unternehmen für Familien 2019 – | Privat |
| Die besten Unternehmen für Familien 2019 – | Privat |
| Stu49 – | Standard |
| Sebastian Bauer | Privat |
| phyZick – AdobeStock | Standard |
| Brad Pict – AdobeStock | Standard |
| ekaphon – | Standard |
| Scalefree | Standard |
| Arnt Zimmermann – | Privat |
| AKN – akn.de | Standardlizenz |
| Mahdi Jaberzadeh Ansari – | privat |
| pressmaster – AdobeStock | Standard |
| AKN – www.akn.de | Standardlizenz |
| bramgino – | Standard |
| bnenin – | Standard |
| Gorodenkoff – | Standard |
| adiruch na chiangmai – | Standard |
| guukaa – AdobeStock | Standard |
| – |
| Jens Thekkeveettil – Unsplash | Frei |
| Samuel Zeller – unsplash.com | Frei |
| thodonal – | Standard |
| kasto – | Standard |
| pattilabelle – | Standard |
| djrandco – | Standard |
| contrastwerkstatt – | Standard |
| jedox – | Privat |
| Michael Neuenstadt – | Privat |
| Ruslan – | Standard |
| Ruthson Zimmerman – unsplash.com | Frei |
| Andrea – AdobeStock | Standard |
| Mediteraneo – AdobeStock | Standard |
| nd3000 – AdobeStock | Standard |
| Robert Kneschke – AdobeStock | Standard |
| Rouven Homann | Pi |
| bnenin – | Standard |
| bnenin – AdobeStock | Standard |
| NicoElNino – AdobeStock | Standard |
| goodluz – AdobeStock | Standard |
| goodluz – | Standard |
| strichfiguren.de – AdobeStock | Standard |
| Kzenon – AdobeStock | Standard |
| Gorodenkoff – AdobeStock | Standard |
| goodluz – AdobeStock | Standard |
| kstudija – AdobeStock | Standard |
| Eisenhans – AdobeStock | Standard |
| Coloures-Pic – AdobeStock | Standard |
| – AdobeStock | Standard |
| everythingpossible – AdobeStock | Standard |
| – | privat |
| – | privat |
| hafakot – | Standard |
| vegefox.com – AdobeStock | Standard |
| weedezign – AdobeStock | Standard |
| Kenishirotie – AdobeStock | Standard |
| Kittiphan – AdobeStock | Standard |
| Witthaya – | Standard |
| wladimir1804 – AdobeStock | Standard |
| Johnny Lye – AdobeStock | Standard |
| canjoena – AdobeStock | Standard |
| tomertu – AdobeStock | Standard |
| freestocks.org – |
| jotily – Fotolia | Standard |
| IndustryAndTravel – Fotolia | Standard |
| djama – Fotolia | Standard |
| JFL Photography – Fotolia | Standard |
| Marco2811 – Fotolia | Standard |
| dabldy – Fotolia | Standard |
| Ärzte ohne Grenzen | Standard |
| Esso – | privat |
| Rossmann – | privat |
| Lufthansa – | privat |
| Adidas Group – | privat |
| VDO – | privat |
