Trinity Supply & Installation

Quality. Value. Service.

We are trusted wholesaler in Pittsburgh that provides professional contractors in Western Pennsylvania with a broad range of state-of-the-art interior and exterior building materials for the home remodeling, building, and municipal construction markets. For over 18 years, we’ve committed ourselves to quality, innovation, and customer relationships. It’s how we build loyalty and trust among a growing number of building professionals, architects, engineers, and distributors.

Rick Berteotti


Rick Berteotti has 40 years in the supply and installation business. His executive management experience and strengths include product sales and development, customer development, and marketing. Rick has achieved the outstanding supplier award in the tristate region and was awarded several sales and marketing awards for cabinet sales. He was also a member of the Cecil township zoning board for the past 20 years.

Mike Bagnato

Chief Financial Officer

Mike Bagnato has over 32 years of experience in the Residential Construction business. His core strengths include construction sales, kitchen design and installation, business management, and business accounting. Mike has been the CFO for Trinity Supply & Installation since their inception. Mike’s past experience includes being an Executive Director for the Builders Association of Metropolitan Pittsburgh, North Pittsburgh Hockey Association, Pine Richland Hockey, and Pennsylvania Interscholastic Hockey League. He was also a Life Director at BAMP and the Head Coach for North Allegheny High School Varsity Hockey Team.

Bill Macklin

Vice President of Installation

Bill Macklin has over 39 years of experience in the residential installation and building materials business and has been with Trinity Supply & Installation for over 18 years. As the only Celect certified installer in the Tri-State area, Bill specializes in project management. He measures, bids, and oversees installation to guarantee quality. His fields of concentration include windows, doors, decks, and a multitude of exterior sidings.

Andrew Friedland

Outside Sales

Andrew Friedland has over 31 years of experience in the Kitchen & Bath industry and over 14 years of experience in the Wholesale Distribution field selling kitchens, windows, doors, and siding. One of Andrew’s greatest strengths is his ability to create valuable relationships with builders, property managers, home investors, and contractors. He is also active with the Local Builder & Apartment Association of Metropolitan Pittsburgh.