Mark Costello's email & phone
Opt-OutPosition:
Owner at INTEGRAL CONTRACTING, INC
Location:
Washington DC-Baltimore Area, United States
Found email addresses for Mark Costello:
Found phone for Mark Costello:
A different Mark Costello?
Sign up to search for other Mark Costello's across our 850M+ professionals databaseWork Experience 8 years
Jan 2026 - Current
Aug 2022 - Current
Oct 2018 - Jul 2021
Education
Master of Science at University of Maryland Global Campus
Bachelor of Science - BS at South Dakota School of Mines and Technology
Frequently Asked Questions
What is Mark Costello's email address?
SignalHire found a verified business email address for Mark Costello: g*********************o@gmail.com.What is Mark Costello's phone number?
SignalHire found a verified phone number for Mark Costello: +1-***-***-4518.How do I contact Mark Costello at INTEGRAL CONTRACTING, INC?
You can reach Mark Costello through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.What is Mark Costello's professional background?
Mark Costello has 8 years of professional experience. They have held roles including Teacher, and Teacher at companies such as Montgomery County Public Schools, and Frederick County Public Schools. Their education includes Master of Science from University of Maryland Global Campus, and Bachelor of Science - BS from South Dakota School of Mines and Technology.Is Mark Costello's contact information up to date?
Yes. Mark Costello's SignalHire profile was last updated on 3 May 2026, reflecting their current position as Owner at INTEGRAL CONTRACTING, INC in New York, New York, United States.Mark Costello Namesakes
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