In the nuclear fastener industry, reputation is everything. You need assurance that your supplier is reputable, credible and reliable. You can't afford to take risks in this area. Mackson is your solution. At Mackson, we have established an excellent reputation among our clients. Mackson currently supplies nuclear fasteners and materials to some of the largest and most prominent nuclear utilities and supply companies in the United States. You can be confident about our ability to provide you with the highest quality products and services available. Try Mackson and see why so many others have made the same choice for their nuclear material needs! "From the President... Since, 1984, Mackson Incorporated has taken great pride in providing our customers with the highest quality products and services available in nuclear fastener industry. We are a leading domestic supplier of nuclear safety related and ASME code materials..." Click Here to read the entire Letter from our President Current holder of American Society of Mechanical Engineers Quality System Certificate #554 Click Here to view our certificate