Matrix NAC vs Block’s Marble Auctions

Matrix NAC is a top tier union contractor across multiple industries including Oil, Gas and Chemical, Electrical Infrastructure, Aboveground Storage Tanks and Industrial markets within the US and Canada.​ Our unparalleled commitment to safety, quality and client success has made us an employer and provider of choice throughout the years, as well as earned us industry recognition year after year. ​ Download our app to stay up to date with company news, projects and updates on safety and wellness to see how we keep North America moving.​

Block's Marble Auctions, located in Trumbull CT was established in 1989. The auction house conducts numerous sales a year with a focus on antique, vintage and contemporary marbles and marble related items. Our auctions feature an impressive selection including Antique Handmade, Antique and Vintage Machine Made, and Contemporary Handmade Marbles, as well as other items of interest to marble collectors. We have been featured numerous publications and tv and radio programs. Blocks Marble Auctions is the oldest and largest continuously running marble auctioneer. With the Block's Marble Auctions app, you can preview, watch and bid in our marble auctions from your mobile / tablet device. Participate in our sales while on- the-go and gain access to the following features: •Quick Registration •Following upcoming lots of interest •Push notifications to ensure you engage on items of interest •Track bidding history and activity •Watch live auctions