Simplicity Pattern Co. Inc. is one of the most popular costume companies I the United States. It is a mid-sized company that designs, produces, markets, and distributes sewing patterns for worldwide consumers that put into practice and take pleasure in home sewing activities. The costume patterns manufactured by the company are quite popular and are made with an understanding that the sewing pattern is a critical part of any sewing project, as it provides a list of all required materials, a guide for cutting fabric, and step-by-step sewing instructions. Simplicity is headquartered in New York City, where it was founded in 1927.  Since that time, Simplicity has dedicated itself towards the designing, manufacturing and marketing of quality costume patterns worldwide.

Simplicity, today, manufactures a large variety of costume patterns, which are designed accordingly to adults, children, toddlers and even pets. This variety makes Simplicity the first choice for thousands of customers when it comes to the selection of costume patterns.

The most popular collection of costume patterns by the company includes:
Civil War
Fairies and Dancers
Fantasy, Cultural
Raggedy Ann and Andy
Renaissance
Traditional Halloween Favorites
Wizard of Oz
Disney
Religious and Holiday
Animal
Victorian, Vintage, Undies
Historical