6 Pa. Stat. § 21
All persons or corporations engaged in the business of manufacturing, spinning, or throwing cotton, wool, or silk into yarn or other goods, or engaged in the business of dyeing cotton, wool or silk yarns, shall be entitled to a lien upon the goods and property of others that may come into their possession for the purpose of being so manufactured, spun, or thrown into yarn or other goods, or dyed, for the amount of any account that may be due them, or any note or notes taken on account of such account, from the owners of such cotton, wool, or silk, by reason of any work and labor or dyeing performed, and materials furnished, in or about the manufacturing, spinning, dyeing, or throwing of the same or other goods of such owner or owners.
6 P.S. § 21