For 35 years, Jet-Black has been the national leader in asphalt (black-top) sealcoating and repair. Jet-Black of Essex, Union & Morris Counties, NJ is locally owned and operated by a member of your community. We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumers needs.. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.