We view all of our clients as business partners. After 30 years of experience in the industry, Joe Porchetta started GMP Contracting, LLC in 2010 to offer quality site development to clients in the Tri-State area. With decades of experience, the GMP team offer a full service experience from Pre-Construction Budgeting to turn key site solutions.
Looking for a particular GMP CONTRACTING employee's phone or email?
The GMP CONTRACTING annual revenue was $10.6 million in 2026.
Joseph Porchetta is the Managing Partner of GMP CONTRACTING.
19 people are employed at GMP CONTRACTING.
GMP CONTRACTING is based in South Plainfield, New Jersey.
The NAICS codes for GMP CONTRACTING are [23, 238, 2389].
The SIC codes for GMP CONTRACTING are [17, 179].