| 1942 | Brothers Edmond and Leonard Leone establish Curbell Machine Company as a subcontractor for government military contracts. They chose the name Curbell to acknowledge their first two customers: Curtiss-Wright and Bell Aircraft. |
| 1947 | Curbell Machine Company is incorporated. Name Change to Curbell, Inc. Curbell begins to distribute and fabricate plastic parts. |
| 1957 | Curbell opens a facility in Rochester, NY. |
| 1960 | Curbell's Electronics Division was created to manufacture hand-held controls for use with hospital television sets and nurse call systems. |
| 1963 | Curbell opens a facility in Syracuse, NY. |
| 1980 | Curbell opens a facility in Erie, PA. |
| 1984 | Curbell opens a facility in Pittsburgh, PA. |
| 1985 | Curbell opens a facility in Albany, NY and Cheektowaga, NY. |
| 1987 | Became a member of the NAPD National Association of Plastic Distributors. |
| 1988 | Curbell opens a facility in Cleveland, OH. |
| 1989 | Curbell opens a facility in Hartford, CT and Cincinnati, OH.
Gen II Pillow speaker introduced. |
| 1992 | Curbell opens a facility in Philadelphia, PA. |
| 1993 | New corporate offices are opened in Orchard Park, NY to serve as the Division headquarters for both the Plastics and Electronics operating units. |
| 1995 | Curbell opens a facility in Detroit, MI.
Curbell, Inc. awarded, sole source, General Motors North-American Plastics Contract for all MRO plastic items (encompassing US, Mexico, and Canada).
Digital Pillow Speaker introduced. |
| 1996 | Gen III Pillow Speaker introduced. |
| 1997 | Curbell expands headquarters in Orchard Park, NY, doubling size to 56,000 square feet.
Curbell opens a facility in Clearwater, FL and Richmond, VA.
Purchased Regency Plastics in Atlanta, GA. |
| 1999 | Purchased Daytona Plastics in Phoenix, AZ. |
| 2002 | Curbell opens new Electronics manufacturing facility at 20 Centre Dr., Orchard Park.
Curbell is awarded a 4A1 credit rating by Dun & Bradstreet.
Electronics Division receives ISO 9001:2000 certification. |
| 2004 | DirectAccess Pillow Speaker introduced. |
| 2005 | Curbell commits to be a Learning Company and builds its first Learning Center in June 2005 |
| 2006 | Curbell Plastics corporate headquarters and several branch locations receive ISO 9001:2000 certification. |
| 2007 | Curbell Plastics opens a facility in Denver, CO. |
| 2009 | Environmental sustainability initiatives result in achieving "Zero Landfill" status for Curbell, Inc., Curbell Electronics, Inc., and Curbell Plastics' WNY location. |
| 2010 | Chairman goes public with environmental sustainability initiatives. |
