- ## Gear Grinding

  Riverside Spline & Gear has 4 new HÖfler Grinders. Rapid 900, Helix 700 and a Helix 400K each equipped with on-board checking capability. Learn More

- ## Hobbing Center

  A full complement of CNC and manual gear cutting machines, including crowning capabilities.Learn More

- ## Shaping

  A full complement of internal and external gear shaping equipment including capability up to 36” with 10” stroke.Learn More

- ## Turning Center

  A large compliment of CNC late model turning equip, including 9 CMC horizontal and vertical lathes to get your project started quickly.Learn More

- ## Precision Grinding

  Riverside Spline & Gear does all of its precision grinding in house. This includes 6 OD grinders, 5 ID grinders and multiple surface grinders.Learn More

- ## Milling Center

  A full complement of CNC milling and manual milling machines.Learn More

- ## EDM

  Riverside Spline & Gear has 2 Wire EDM machines in house. These machines provide a high degree of accuracy for KS in bores.Learn More

- ## Inspection

  Inspection lab and a full complement of calibrated inspection equipment capable of documenting product compliance to requirements.Learn More

- ## In-House Material Inventory

  Riverside Spline & Gear stocks many grades of material to get your project up and running quickly.Learn More

# Our History

#### RIVERSIDE SPLINE & GEAR, INC. - A TRADITION OF QUALITY & SERVICE SINCE 1963

Back in 1963, Morley Walter “Mac” Forest bought a single hobbing machine and leased a space no larger than a one-car garage. His reputation as a hard worker who delivered product on time paid off, and this marked the launch of Riverside Spline & Gear, Inc. The company has continued to grow since then, and now under the leadership of Mac’s son Aaron Forest, Riverside Spline & Gear is a shining example of success in the manufacturing industry.

Our commitment to quality and growth is evident in our investment into new equipment and facility size. In the last 10 years, Riverside has invested over $7 million on new machines, including 5 Hofler Gear Grinders, 10 CNC turning centers, 4 CNC hobbers, 3 wire EDM machines and many other supportive equipment. Additionally, we have added a new 10,000 square foot gear grinding center including a metrology lab for final inspection of product.

After more than 50 years in business, Riverside Spline & Gear is most proud of our outstanding reputation. Customers trust Riverside and spread the word. They know they will receive quality, service, and on time delivery, every time. And, in the manufacturing world, that’s the best return on your investment.

Riverside Spline & Gear continues to service many industries, including mining, forestry, machine tool, oil and gas, electrical, paper, steel and general industry.

Riverside Spline & Gear is now part of Sumitomo Machinery Corporation of America (SMA), continuing to serve customers with the same speed, quality, and responsiveness, with added operational support behind the scenes.