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W.J. Post, Inc. believes that quality of work, safety and efficiency not only benefits our company but our customers. This partial listing of customers include some of the largest and most respected companies in the United States and globally. It also shows our ability to effectively perform work in a wide scope of industries. 

Our Past & Current Clients

  • Alliance Capital

  • Ameritech

  • Anheuser-Busch

  • Aventis Pharmaceuticals

  • Baxter Pharmaceuticals

  • Becton Dickinson

  • Bergen County Community College

  • CBRE

  • Dominican College

  • Equitable Insurance

  • Elite Labs

  • G.A.F.

  • Halsey Drug

  • Ingersoll-Rand

  • I.T.T.

  • JLL

  • John F. Kennedy Hartwick Assisted Living Facility

  • Kraft Foods

  • Kessler Institute

  • Label Tech

  • Logotech

  • New Jersey Transit

  • Merck

  • Municipal Building

  • Nabisco

  • Newark Academy

  • Novartis Pharmaceuticals

  • PF Laboratories

  • Sheraton Hotel

  • South Amboy Hospital

  • Telecordia

  • Turner Construction

  • U.S. Post Office

  • U.S. Trust


Junior Martinez, Director, Plant Operations

To Whom It May Concern,


W.J. Post, Inc. has been a preferred Mechanical Contractor vendor at Clara Maas Medical Center in Belleville, NJ since 2016 completing major HVAC and Mechanical Contracting projects as well as routine in house maintenance and complex medical system shutdowns.  W.J. Post, Inc. has completed over 2.6 million dollars of capital and routine projects yearly since becoming a preferred vendor at RWJ Barnabas Health System.


We take great pride in continuing to complete timely, on budget projects under the supervision of Robert Post and his team of skilled, qualified professionals at W.J. Post, Inc.. Their team is responsive, professional and dedicated to the projects awarded them. Additionally, medical environments demand a vendor that is able to pivot during uncertain times and willing to work with a facility to meet the needs of operations as well as patient care; W.J. Post, Inc. has mastered this skill and continuously goes above and beyond to complete all projects on time, within budget and safely.


The RWJ Barnabas family of Health Systems looks forward to many more successful projects with Robert Post, President, W.J. Post, Inc. and his team of skilled professionals.


Junior Martinez,

Director, Plant Operations


Des Neary, Senior Estimator

It gives me pleasure to write this recommendation letter on behalf of W.J. Post, Inc., Mechanical Contractors.


I’ve been fortunate to work with W.J. Post, Inc. and Robert Post, President, over the course of many years and throughout innumerable projects totaling over $15 million dollars. W.J. Post, Inc. knows what it takes to deliver successful, timely, quality completed projects. I trust W.J. Post, Inc. to use only the highest quality materials for construction and to deliver jobs without delays or exceeding projected costs. 


Construction requires seamless work without interruptions to ensure project schedules are maintained for clients; W.J. Post, Inc. and their team of skilled professionals has mastered this necessary skill. They are knowledgeable and experienced within their specialty of HVAC/Plumbing & Mechanical Construction in varied settings such as pharma, hospital, medical, food and municipal industries. I have complete confidence in W.J. Post, Inc. and their ability to successfully manage and complete any project awarded them while sharing innovative ideas and suggesting creative concepts if the project demands.


W.J. Post, Inc. is the very best solution for quality HVAC/Plumbing Mechanical projects completed at a fair cost by skilled, experienced plumbers, fitters, welders and certified specialists with a focus on safety and timely delivery of completed projects. W.J. Post, Inc., a third generation, family owned Mechanical Contracting business knows what it takes to deliver the very best service, client satisfaction and quality for a successful bid to completion project. When your project is in the hands of Robert Post and his team at W.J. Post, Inc. you know you’re in good hands. 




Des Neary

Senior Estimator

Structure Tone Group

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