A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 1
| U-Point (8) | UBN Uitzendbureau (91) |
| Ubron bv (17) | UBV Uitzendbureau (25) |
| UChoose (47) | Uitzendbureau De Vakaturebank (9) |
| Uitzendburo De Werkstudent (7) | Uitzendtalent (5) |
| Ulla Popken C.V. (8) | UMC Utrecht (32) |
| UML Amsterdam (15) | Unamic/HCN (25) |
| Unica (12) | Unijobs.nl (20) |
| Unilever (11) | Unique Amsterdam Dam (7) |
| Unique Amsterdam Zuid-Oost (5) | Unique - CAU - Amsterdam (17) |
| Unique Ridderkerk (5) | Unirobe Meeus Groep (6) |
| Uniting (43) | Unive-VGZ-IZA-Trias (29) |
| Universiteit Leiden (18) | UPC Nederland (11) |
| Upgrading Secretarial & Support Staff (18) | URbrand (11) |
| USG energy (6) | USG Innotiv (12) |
| USG People (19) | USG People the Netherlands B.V. (11) |
| Uticonnect (6) |