Ruby Mills, incorporated in the year, 1917 as a composite textile mill, mainly manufacturing Cottons. The management of the unit was taken over by the late C N Shah in 1946 and thereafter the mill has been regularly progressing and manufacturing a wide range of products. From 1959 onwards the management has been under the dynamic leadership of the Chairman and Managing Director, M C Shah and has made tremendous progress by way of its product range, quality and performance.

The Ruby Mills has two plants located at Dadar in Central Bombay and Dhamni on Bombay-Pune Highway.

The comapny's Dadar unit is a highly modernised composite textile mill in Bombay. This plant is involved in spinning, weaving, processing and printing of textile fabrics. The company's installed capacity comprises of 22,000 spindles and 40,000 Mts. of woven fabrics & 8 tons of Tubular Knitted Fabrics.

The Dhamni Unit is located 70 km South East of Bombay, has advantages in terms of easy accessibility, availability of transportation of raw materials and finished goods, well established communication facilitiesand availability of adequate semi-skilled labour force.

Since 1996, Ruby Mills,is manufacturing Micro Dot Fusible Interlining & Basic Interlining, in Technical Collaboration with Gygli Textil Ag, Switzerland.The Company has been in operation since 1921 with an Annual Income of Rs. 680 million.

A modern Research & Development Laboratory fully equipped with the latest quality control equipment and recognised by the Government of India supports these manufacturing activities.

Ruby Mills, has forward integration into Processed Knit Fabrics in Tubular form. The company is equipped with imported Sclavos Soft Flow High Temperature/Low Temperature Dying machines, Spereto Rhymer Tubular Merceriser, Sentex Balloon Padder, Relax Dryer and Spereto Rhymer Tubular Compacting machines to produce knitted fabrics that meet the most exacting International Standard with regard to Dimensional Stability (Shrinkage) and Colour Fastness.

Products range of the company includes:

• Cotton & Blended Yarns
• Custom made fabrics from various Manmade & Natural fibers like Cotton, Linen, Viscose, Lyocell, Modal, Polynosic & the blends of the same for shirting, suiting & dress materials. Micro Polyester and it's blends for various end applications.
• 100% Cotton Knitted Fabric
• Basic and Micro Dot coated Interlining 
• Eco Friendly Textiles
• Fabrics with following Special Finishes : Silicone, Anti-Fungal, Anti-Bacterial, Water Repellent & Stain Repellent 

The company has been exporting fabrics and yarn mainly to USA, Europe and UK, and its products are well accepted in the export markets.

Achievements/ recognition:

• Gold Star (Spain) 1990
• Euro Market Award (Brussels) 1992 & 1993
• International Europe Award for quality 1993
• Ranked amongst India's top 200 companies by Coper's mow, for the Dalal Street Journal's, Corporate Excellence Awards 1993. Honourable Finance Minister Shri Manmohan Singh in October 1993 & 1994 presented the award.
• Ranked amongst India's Most Valuable Companies by Business Today in their Survey for 1995 - 1996.
• Ruby has also been conferred the 21st International Award for the best trade name 1996 by Trade Leaders Club - Madrid for the 'Best Trade Name' and for 'Best Brand Image' in the business field.
• The company has also been placed on the CHARTERED LIST of Customers by ICI, UK giving it access to technology and development through worldwide research in textile processing.
• Ranked amongst INDIA’S TOP 500 COMPANIES 1999 by Dun and Bradstreet.