Columbia SPM 20 machines produce high quality, high strength products with significant cement and labor savings. In one 8 hour shift, these machines can produce the following quantity of products:
| Product | Size | Model SPM 20 | |
| Concrete Blocks – Hollow / Solid | 40 x 20 x 20 cm | 4,500 | |
| Concrete Blocks – Hollow / Solid | 40 x 15 x 20 cm | 6,750 | |
| Concrete Blocks – Hollow / Solid | 40 x 10 x 20 cm | 9,000 | |
| Uni-stone Paver | 225 x 112.5 x 80 mm | 15,000 | |
| Fly ash Bricks On Edge | 230 x 110 x 70 mm | 25,000 |
An Indo-American Joint Venture between Columbia Machine Inc. U.S.A. (world leaders in Concrete Block Machinery) and Columbia Machine Engineering (I) Pvt. Ltd., with corporate office located in Mumbai and manufacturing facilities located at Vadodara in the state of Gujarat
