Registered public work contractors in Islip, New York
18 contractors and subcontractors based in Islip hold a certificate of registration in the state file of Oct 1, 2026; 3 are MWBE owned and 4 are associated with an apprenticeship program.
| Contractor | Certificate | Expires |
|---|---|---|
| AMCS Environmental Dussan, Inc | 25-64CJR-CR | Jan 9, 2027 |
| Bancker Construction Corp. | 24-637TZ-CR | Dec 29, 2026 |
| Bancker Electric Baltray Enterprises, Inc. | 24-64BFB-CR | Dec 29, 2026 |
| Bancker Environmental LLC | 26-67S6X-CR | Jan 7, 2028 |
| Compliance Training CPR & SAFETY CONSULTING AND TRAINING, LLC | 26-69V6U-CR | Jul 1, 2028 |
| DMK Services Corp. | 25-658B3-CR | Mar 28, 2027 |
| Elite Parking Area Maintenance, Inc. | 26-66DYN-CR | Feb 18, 2028 |
| HPS of NY LLC | 26-676SA-CR | Feb 3, 2028 |
| JC Steel Erectors Corp. | 25-64IGA-CR | Feb 4, 2027 |
| JNH CONSTRUCTION GROUP INC. | 26-64DKE-CR | Dec 29, 2028 |
| Long Island Lumber Jack of New York, Inc. | 25-646A3-CR | Mar 5, 2027 |
| MODBLD, INC. | 25-6H7U3-CR | Oct 14, 2027 |
| NYHC Plumbing and Mechanical LLC. | 25-651K1-CR | May 6, 2027 |
| Quintal Contracting Corp. | 26-639HO-CR | Dec 29, 2028 |
| Royal Pavement Solutions LLC | 25-64O45-CR | Jan 22, 2027 |
| RRM Surveying P.C. | 25-6HKOD-CR | Aug 1, 2027 |
| True Valor Construction Inc. | 24-64RIU-CR | Dec 20, 2026 |
| York Shore Services Inc. | 25-643P5-CR | Feb 18, 2027 |
Alphabetical order — this site ranks no one. Certificates in the New York State Department of Labor file of Oct 1, 2026. Absence from a list is not proof a contractor is unregistered. How to read this.