WhoWeAre

WeAre...

New York City’s Leading Mechanical & Specialty Contractor, Serving Public Agencies & Contractors in the NYC Infrastructure Construction Market.

Welkin Mechanical is the premier mechanical contractor located in NYC and neighboring areas, specializing in general contracting, heavy mechanical, fire protection, plumbing and HVAC. With an unmatched reputation for the highest quality personalized service, craftmanship and determination, we engage with the best clients and the most challenging and unique projects. Whether we are running 2-foot diameter chilled water lines 30 stories up the exterior of a Manhattan skyscraper, or welding 22,000 linear feet of stainless steel pipe for a roadway snow melting system at the Port Authority bus terminal, our team of professionals has the knowledge and dedication to tackle New York’s most challenging and unique projects. Our core values emphasize integrity, teamwork, respect and accountability, which we employ to provide our clients with the highest level of quality and service.

Building and restoring the infrastructure of New York City is what we do. How we do it is what sets us apart. Our word is our bond and our Mission is a promise to serve every customer with complete professionalism and provide total satisfaction with our work. We also promise an uncompromising commitment to our people; their safety, their sense of worth and their quality of life, both on and off the job.

Welkin is an old English word that refers to the heavens or the sky. At Welkin Mechanical, we see no boundaries to service excellence and accomplishment. For us, the sky is truly the limit.

 
 
 

OurLeaders

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President

  • LinkedIn - White Circle
SEAN ALEXANDER,P.E.

 SEAN ALEXANDER, P.E.

President

Mr. Alexander has over 20 years of experience working on large scale mechanical engineering projects within the New York City infrastructure market. He brings extensive knowledge and experience within mechanical public works projects to Welkin Mechanical, including recent projects such as managing the $183 million NYCDEP Hunts Point contract and the $299 million NYCDEP Tallman Island WPCP contracts. Most recently, he managed the $45 million NYCDEP Bowery Bay WWTP contract. Mr. Alexander is a licensed professional engineer in New York. He holds a BS in Mechanical Engineering from the State University of New York at Buffalo..

Brief Bio
FRANK
VETTESE, P.E.

Vice President of

Estimating & Engineering

FRANK VETTESE, P.E.

Vice President of Estimating & Engineering

Mr. Vettese has over 40 years of experience in the heavy construction industry and is well known in the industry for his expertise in pre-construction and construction. He has contributed his experience and expertise for a multitude of public works projects at various capacities. Chief Estimator at Welkin, Mr. Vettese is responsible for the successful execution of the pre-construction process, forecasting construction costs as it relates to all types of construction. Frank’s duties also include developing client relationships, as well as building relationships within the contractor community. Prior to joining Welkin Mechanical, Mr. Vettese was a senior project manager and successfully completed numerous projects, including a $150 million project at a NYCDEP wastewater treatment plant. Previously, he was the Vice President of Operations for an international contractor, specializing in electrical equipment for the wastewater Industry, where he oversaw approximately $200 million in NYCDEP construction projects. Mr. Vettese is a Professional Civil Engineer in New York state and a NYC Master Plumber.

Vice President of

Operations

KEITH
CAPPUCCIO

KEITH CAPPUCCIO, P.E.

Vice President of Operations

Mr. Cappuccio has worked in New York City public works contracting for over 20 years, which has afforded him an extremely broad and deep exposure to the unique needs of the mechanical, electrical and plumbing industry. He has led and directed complex projects ranging in scope from restaurants and commercial development, to wastewater treatment and rail infrastructure projects that have had an impact on the everyday lives of ordinary New Yorkers.   A longstanding member of the United Association of Journeyman Plumbers and Pipe Fitters, Mr. Cappuccio is a master plumber in several jurisdictions, complementing his executive responsibilities with his strong technical expertise. Keith’s emphasis while working at Welkin has been to organize and reinforce a world-class team that is technically outstanding, and that is proud to perform work which benefits the public.   Keith earned his Bachelors in Mechanical Engineering from SUNY Maritime College, his Masters in Mechanical Engineering at The Cooper Union, and is a licensed professional engineer in New York State.

Brief Bio

Project Executive

KEVIN
KHEMRAJ

KEVIN KHEMRAJ

Project Executive

Mr. Khemraj has over 10 years of experience in New York City public works contracting, including experience working on some of the highest profile mechanical projects in the New York infrastructure market. He has a proven track record of seamlessly orchestrating complex installations for multiple projects from inception to completion, with budgets in excess of $50 million. His responsibilities include all phases of construction, including estimating, scheduling, procurement, engineering and management of field activities for multiple projects. Mr. Khemraj is proficient in building and managing vendor relationships for services and products, and he has earned a reputation for exceeding corporate objectives while controlling costs and improving efficiencies. In addition to construction, he manages companywide recruitment and corporate planning, leadership mentoring initiatives and heads the drafting and design department. Kevin earned his BS in Civil Engineering from NYU Polytechnic School of Engineering.

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Brief Bio
GREGORY
KNABBE

Project Executive

GREGORY KNABBE
Project Executive

Mr. Knabbe has over 10 years of experience in the New York heavy construction industry. He has led the successful completion of several high-profile contracts involving the construction and activation of portions of City Water Tunnel No. 3, Stage 2. His work in the general contracting side of the industry has provided valuable experience in the oversight and coordination of all disciplines in complex projects. His experience in all aspects of construction including estimating, procurement, scheduling, cost management, engineering, and field supervision has allowed him to deliver projects on time and on budget. With nearly $300 million of projects completed with NYC DEP, he has contributed to the fresh water supply and wastewater treatment throughout New York City. He earned is BS in Mechanical Engineering from the University of Rhode Island..

 
 
 
 
 

OurTeam

DIANA
SEAN
MOHAMMED
TSERING
MIRIN
SAM
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ANGELITA
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KEVIN
TATIANA
KEVIN
TIMOTHY
KAMIL
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GILBERTO
ROBERT
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KRIS
LESLIE
KURT
JOANNE
STEVEN
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MICHAEL
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DARIA
KONG
STEVEN
CHRIS
TIMOTHY
ANDREW
SEBASTIAN
VIVEK
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TAHMID
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KEVIN
KYLE
NICK
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KEITH
VANIA
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EUGENE
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SAMEER
LESTER
THIS CAN BE YOU
SUSAN
Glass Buildings

OurFamily

Welkin Mechanical is a member of the Iovino Enterprises' (IE) family of companies. IE is the parent organization to a family of companies that perform construction services for both public and commercial clients. We leverage the power of IOVATION to accelerate our company’s success by utilizing the management services provided by Iovino Enterprise Partners (IEP).  Our partnership with IEP provides vital support services in the key areas of finance, technology, human resources and legal services, as well as management best practices. This support enables Welkin Mechanical to focus on providing the best service to our clients, strengthening our relationships with our business partners and offering the most advantageous career development opportunities for our employees.
 
Please visit IE website for additional details about  their services at
www.iovinoent.com.

 

OurAffiliations

The industry thought leaders at Welkin Mechanical remain actively engaged in various trade associations where we exchange best practices. We are proud to support the next generation of industry professionals and give back to our communities. We have provided links below to some of our affiliate websites for your convenience.

2 Mechanical Contractors Association of
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American Society for Healthcare Engineer
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General Contractors Association of New Y
Mechanical Contractors Association of Am