There are numerous brands known for producing high-quality metallic threads. Some of these include: Madeira: Known for their wide range of thread types and colors, Madeira's metallic threads are durable and come in a variety of vibrant hues. Sulky: Sulky's metallic threads are popular for both machine and hand sewing projects due to their quality and strength. Kreinik: Specializing in decorative threads, Kreinik offers metallic threads that are often used in embroidery and cross-stitch. Gutermann: Known for their quality sewing threads, Gutermann's metallic threads are sturdy and have a nice shimmer. Brother: While best known for their sewing machines, Brother also produces a line of high-quality embroidery threads, including metallic options. Coats & Clark: With a long history in thread manufacturing, Coats & Clark offers durable metallic threads that are suitable for both hand and machine sewing. Remember to always choose a quality thread to ensure the best results with your sewing projects.