| A-Consult Agro A/S | 7800 | Skive |
| A-Supply A/S | 9990 | Skagen |
| A/S Julius Nielsen & Søn | 2610 | Rødovre |
| A/S Løgstrup Steel | 3490 | Kvistgård |
| AAG | Aalborg Gummivarefabrik A/S | 9400 | Nørresundby |
| Aalborg Portland A/S | 9100 | Aalborg |
| ABB A/S | 2750 | Ballerup |
| ABC Pavilloner A/S | 7442 | Engesvang |
| ABCliner - ABC rørteknik ApS | 7080 | Børkop |
| Acomplir ApS | 7100 | Vejle |
| ACTEC A/S | 8940 | Randers SV |
| Adserballe & Knudsen A/S | 3520 | Farum |
| AFRY | 7400 | Herning |
| Ahlsell Danmark | 2625 | Vallensbæk |
| Aircold Køleanlæg | 9210 | Aalborg SØ |
| Airtec A/S | 7620 | Lemvig |
| Akzo Nobel Industrial Coatings A/S | 7430 | Ikast |
| Alcadon ApS | 2990 | Nivå |
| Algeco Denmark A/S | 4100 | Ringsted |
| All Remove Danmark A/S | 2600 | Glostrup |
| ALPHA Containers A/S | 8000 | Aarhus C |
| Altiflex ApS | 2650 | Hvidovre |
| Aluflam A/S | 4000 | Roskilde |
| Alumentdk | 6000 | Kolding |
| Alux A/S | 8600 | Silkeborg |
| Andreasen & Hvidberg A/S | 9230 | Svenstrup J |
| Annoncørbetalt indhold | 9220 | Aalborg Ø |
| Anticimex A/S | 2635 | Ishøj |
| Anton Knudsen Egtved A/S | 6040 | Egtved |
| Aquatex Water Management ApS | 5800 | Nyborg |
| Areco Profiles A/S | 9575 | Terndrup |
| Areco Projekt | 9530 | Støvring |
| Arkitektfirmaet Gunner Kristensen ApS | 8800 | Viborg |
| Armadan A/S | 2750 | Ballerup |
| Armatec A/S | 2600 | Glostrup |
| Aros Maler Entreprise A/S | 8541 | Skødstrup |
| Asfaltindustrien | 2750 | Ballerup |
| ASSA ABLOY Opening Solutions A/S | 2750 | Ballerup |
| athome apartments ApS | 8200 | Aarhus N |
| Auktionshuset dab A/S | 8361 | Hasselager |
| AVANT Danmark | 8670 | Låsby |
| Avidenz A/S | 5250 | Odense SV |
| AVK Danmark A/S | 8464 | Galten |
| airteam a/s | 8260 | Viby |
| Arkitema | 8000 | Aarhus C |