According to Contact Music, Jordan will be releasing his album on his own label: "JK Music". Here is the article:
New Kids Star Launches Record Label
New Kids On The Block star Jordan Knight can add music mogul to his resume after launching his own record label.
The pop star will debut his new solo single Let's Go Higher on the imprint Jk Music. The label will also back Knight's upcoming album Unfinished.
The label is a joint venture between Knight and Mass Appeal Entertainment boss/producer Marcus Siskind, who has previously worked with the likes of Backstreet Boys, Lauryn Hill and Queen Latifah.
Here is another article from Market Wire which goes into more details.