Irv Schroder & Sons Inc

At Port Welding Service Inc., our expert welders and fabrication designers are committed to delivering quality workmanship at competitive prices. Our knowledgeable and experienced sales team and craftsmen skillfully handle your job. We stand behind everything that we do.

We are a family owned business that has been specializing in the steel industry since 1959. We are located in the beautiful Catskill Mountains in Sullivan County, New York. We are sure that we can fulfill any of your steel or crane service needs. Call us today for more information.

Founded in 1970, Zwack, Inc today enjoys a strong reputation as an innovative manufacturer of special machinery and equipment for industry, municipalities and a variety of other customers. We are a second generation, family-owned business that enjoys a long term business relationship with small, large, and Fortune 500 customers, including General Electric Power Systems, Intermagnetics, Instron, Albany International, Taconic, MIT, Newark Paper Group, Encore Paper, and municipalities in the surrounding four state area.Zwack, Inc began as a specialty manufacturer for one primary customer and today employs more than 40 people to provide clients worldwide with engineering, design, and manufacturing options, ranging in size and complexity from products such as highway sand and salt spreaders, firefighting equipment, transformer core winding machines, generator stater frames, paper mill frames, large magnet winding machines, computer controlled core stacking machines, a proprietary cold fusion process for manufacture of copper, aluminum transition pieces, to... whatever machinery or other need a customer may ask to have built. The products manufactured by Zwack, Inc, in use throughout the United States, Canada, Europe and Asia, attest to our commitment to providing each customer with solid craftmanship, economic value, and successful adaption of ever changing technology.We are located in a picturesque valley between the Taconic and Berkshire Hills, in Rensselaer County, New York. The surrounding communities are home to a number of colleges and universities, as well as many diversified businesses that provide products and services to us to be a world-wide supplier of specialty machine products. A sponsor of the Hudson Valley Community College Machine Apprentice Program and its Capstone Project, Zwack, Inc has also afforded industry experience and opportunity to grad students in the RPI CAT program and RPI's Senior Mechanical Design Group, as well as to local high school students in a JOBS program.Zwack, Inc continues a long tradition of support and involvement in church, community and civic organizations, and actively encourages employee participation in volunteer fire and emergency medical services, as well as membership in the U.S. Army and State National Guard. We are involved in numerous community activities and local government, including school board, volunteer fire company, local fire district, library board, and cemetery board. Zwack, Inc remains firmly committed to the community in which it began and is today located. Stephentown and Rensselaer County provide Zwack, Inc with the right location for expanding its business opportunities, whether they be just around the corner or around the world. We hope to serve you soon.