John Koronkiewicz
1 email domain
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John Koronkiewicz Email & Phone Number
Managing Member at JJK Construction LLC
at
JJK Construction LLC
LinkedIn matched
✓ Verified August 2026
2 data sources
Profile completeness 86%
Current company
JJK Construction LLC
Role
Managing Member at JJK Construction LLC
Location
Patchogue, New York, United States
Who is John Koronkiewicz? Overview
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Quick answer
John Koronkiewicz is listed as Managing Member at JJK Construction LLC at JJK Construction LLC, based in Patchogue, New York, United States. AeroLeads shows a matched LinkedIn profile for John Koronkiewicz.
John Koronkiewicz previously worked as Managing Member at Jjk Construction Llc.
Profile bio
About John Koronkiewicz
We are a single-owner operated construction business located in the heart of the East End of Long Island, NY. For over 18 years, homebuilder architects, designers and homeowners, from across the Suffolk Area have entrusted JJK construction with their projects. We take pride in the breadth of our abilities and our capacity to consistently produce satisfied clients despite unique work environments and tight schedules. Our team of managers and craftsmen perform at the highest level of quality workmanship, providing a superior product.
Listed skills include Construction, Construction Management, Contractors, Contract Negotiation, and 11 others.
Current workplace
John Koronkiewicz's current company
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Jjk Construction Llc
1 role
John Koronkiewicz work experience
A career timeline built from the work history available for this profile.
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Managing Member
FAQ
Frequently asked questions about John Koronkiewicz
Quick answers generated from the profile data available on this page.
What company does John Koronkiewicz work for?
John Koronkiewicz works for JJK Construction LLC.
What is John Koronkiewicz's role at JJK Construction LLC?
John Koronkiewicz is listed as Managing Member at JJK Construction LLC at JJK Construction LLC.
Where is John Koronkiewicz based?
John Koronkiewicz is based in Patchogue, New York, United States while working with JJK Construction LLC.
What companies has John Koronkiewicz worked for?
John Koronkiewicz has worked for Jjk Construction Llc.
How can I contact John Koronkiewicz?
You can use AeroLeads to view verified contact signals for John Koronkiewicz at JJK Construction LLC, including work email, phone, and LinkedIn data when available.
What skills is John Koronkiewicz known for?
John Koronkiewicz is listed with skills including Construction, Construction Management, Contractors, Contract Negotiation, Renovation, Management, Project Management, and Contract Management.
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John Koronkiewicz
1 email domain