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General Builder contractors in Ronkonkoma, NY

101 listings

Source: NYC DCWP + NYS Dept of Labor license records. Last verified 2026-08-31.

There are 101 general builder contractors in Ronkonkoma, New York with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-12-18; every listing shows its own number and expiry date. All are drawn from the NYC DCWP + NYS Dept of Labor register; expired and inactive licenses are excluded.

BusinessLicenseTypeExpiresCityZip
192 Branch Interior Service, Inc.24-64BJ7-CRNYS Contractor Registry Certificate2026-12-29Ronkonkoma11779Set up workspace
192 BRANCH INTERIOR SERVICES, INC.1461955-DCAHome Improvement Contractor2027-02-28RONKONKOMA11779Set up workspace
2/21/197925-65B87-CRNYS Contractor Registry Certificate2027-03-12Ronkonkoma11779Set up workspace
Accelerated Services Inc.25-645VP-CRNYS Contractor Registry Certificate2027-02-24Ronkonkoma11779Set up workspace
ACR Mechanical Services Inc.25-646D6-CRNYS Contractor Registry Certificate2027-03-04Ronkonkoma11779Set up workspace
Advanced Door Solutions Inc.25-64X8P-CRNYS Contractor Registry Certificate2027-01-16RONKONKOMA11779Set up workspace
ADVANCED UTILITY SOLUTIONS, INC.25-67BDU-CRNYS Contractor Registry Certificate2027-10-22Ronkonkoma11779Set up workspace
AL-ARSH CONSTRUCTION, CORP.1220185-DCAHome Improvement Contractor2027-02-28RONKONKOMA11779Set up workspace
AL-ARSH CONSTRUCTION, CORP.25-64P3V-CRNYS Contractor Registry Certificate2027-01-13RONKONKOMA11779Set up workspace
ALL SEASONS GENERAL CONTRACTORS OF SUFFOLK INC2004542-DCAHome Improvement Contractor2027-02-28RONKONKOMA11779Set up workspace
Ambrosio and Company, Inc24-64D8U-CRNYS Contractor Registry Certificate2026-12-29Ronkonkoma11779Set up workspace
American Recreational Products24-64NF1-CRNYS Contractor Registry Certificate2026-12-29Ronkonkoma11779Set up workspace
AMERICAN TRUCKING SERVICES, INC.24-648S8-CRNYS Contractor Registry Certificate2026-12-29Ronkonkoma11779Set up workspace
AS-SALAAM CONTRACTING CORP.2125868-DCWPHome Improvement Contractor2027-02-28RONKONKOMA11779Set up workspace
Aurora Contractors, LLC26-64DJJ-CRNYS Contractor Registry Certificate2028-12-29Ronkonkoma11779Set up workspace
Bayview Custom Communications, LTD25-649Q7-CRNYS Contractor Registry Certificate2027-03-07Ronkonkoma11779Set up workspace
Belfor Long Island LLC24-64DUP-CRNYS Contractor Registry Certificate2026-12-18RONKONKOMA11779Set up workspace
BELFOR LONG ISLAND LLC1306861-DCAHome Improvement Contractor2027-02-28RONKONKOMA11779Set up workspace
Best Climate Control Corporation25-64KBA-CRNYS Contractor Registry Certificate2027-01-03Ronkonkoma11779Set up workspace
BULK CHEMICAL COMPANY INC.25-67BEJ-CRNYS Contractor Registry Certificate2027-10-22RONKONKOMA11779Set up workspace
Caldara and Sons Contracting INC25-6H9AC-CRNYS Contractor Registry Certificate2027-10-21Ronkonkoma11779Set up workspace
CAPCO SHADES, INC.24-64JDD-CRNYS Contractor Registry Certificate2026-12-31Ronkonkoma11779Set up workspace
Capitol Garment Restoration25-64SDB-CRNYS Contractor Registry Certificate2027-02-06Ronkonkoma11779Set up workspace
CAS HVAC25-6H1FF-CRNYS Contractor Registry Certificate2027-09-03RONKONKOMA11779Set up workspace
Cassone Leasing Inc.24-64RLE-CRNYS Contractor Registry Certificate2026-12-29Ronkonkoma11779Set up workspace
CCP HOME IMPROVEMENTS INC.2045885-DCAHome Improvement Contractor2027-02-28RONKONKOMA11779Set up workspace
Celtic Industries Inc.24-64GC9-CRNYS Contractor Registry Certificate2026-12-29Ronkonkoma11779Set up workspace
CLEAR RIVER ENVIRONMENTAL SERVICE CORP.24-64BXS-CRNYS Contractor Registry Certificate2026-12-29Ronkonkoma11779Set up workspace
Concrete Structures Inc25-671DK-CRNYS Contractor Registry Certificate2027-12-17Ronkonkoma11779Set up workspace
Construction Specialties Installations, LLC24-64B3F-CRNYS Contractor Registry Certificate2026-12-29Ronkonkoma11779Set up workspace
County Energy Controls, Inc.24-64B8J-CRNYS Contractor Registry Certificate2026-12-29Ronkonkoma11779Set up workspace
Delta Well & Pump Co., Inc.25-64KFE-CRNYS Contractor Registry Certificate2027-01-03Ronkonkoma11779Set up workspace
Digital Provisions Inc25-64UA6-CRNYS Contractor Registry Certificate2027-01-30Ronkonkoma11967Set up workspace
DIVAD CONCRETE, INC.24-64NR4-CRNYS Contractor Registry Certificate2026-12-29RONKONKOMA11779Set up workspace
DRV4, Inc.25-64X8R-CRNYS Contractor Registry Certificate2027-01-16RONKONKOMA11779Set up workspace
Elite Action Extinguishing Equipment and Service, Inc.24-64E76-CRNYS Contractor Registry Certificate2026-12-31Ronkonkoma11779Set up workspace
FDJ CONSTRUCTION INC2105520-DCAHome Improvement Contractor2027-02-28RONKONKOMA11779Set up workspace
Foos Fire, Inc.24-63H7E-CRNYS Contractor Registry Certificate2026-12-29Ronkonkoma11779Set up workspace
Forestry Inc.25-64P58-CRNYS Contractor Registry Certificate2027-01-13Ronkonkoma11779Set up workspace
Future Shock Architectural Metals & Glass Corp.24-64YO7-CRNYS Contractor Registry Certificate2026-12-29Ronkonkoma11779Set up workspace
HAQQ CONSTRUCTION CORP.25-64VVC-CRNYS Contractor Registry Certificate2027-01-07Ronkonkoma11779Set up workspace
HARTCORN PLUMBING & HEATING INC.24-64BEP-CRNYS Contractor Registry Certificate2026-12-29RONKONKOMA11779Set up workspace
HERCULES TSIRIKONIS CONSTRUCTION CO., INC.1198263-DCAHome Improvement Contractor2027-02-28RONKONKOMA11779Set up workspace
Ideal Fence Corporation25-6HPBU-CRNYS Contractor Registry Certificate2027-08-12Ronkonkoma11779Set up workspace
Industrial Refrigeration Inc26-66F4Y-CRNYS Contractor Registry Certificate2028-02-27Ronkonkoma11779Set up workspace
JD Traditional Industries24-64Y9Q-CRNYS Contractor Registry Certificate2026-12-29Ronkonkoma11779Set up workspace
JENNOSA POOLS INC.25-678IJ-CRNYS Contractor Registry Certificate2027-11-10RONKONKOMA11779Set up workspace
JMF Contracting Inc.24-64N5L-CRNYS Contractor Registry Certificate2026-12-29Ronkonkoma11779Set up workspace
JNS Heating Service, Inc.24-637J7-CRNYS Contractor Registry Certificate2026-12-29Ronkonkoma11779Set up workspace
JOHN PAUL ELECTRIC, INC.24-648OK-CRNYS Contractor Registry Certificate2026-12-29RONKONKOMA11779Set up workspace

Showing 1–50 of 101

Quick answers

How many general builder contractors are in Ronkonkoma?
101 with a current New York license, as of 2026-08-31.
How do I check a license is current?
Every listing shows its state license number and expiry. Verify any of them directly against the NYC DCWP + NYS Dept of Labor licensee database.
License data from state licensing authorities, refreshed on each state’s own schedule; every listing names the register it came from. Place data © OpenStreetMap contributors, ODbL. Nothing here is purchased, estimated, or user-submitted. How we get our data