Positive reviews for Sheffer Corporation highlight the company's commitment to caring for employees, customers, and producing quality products. Employees appreciate the opportunities for growth and skill development within the company, as well as the bonuses and raises provided. Customers have praised the products for being reliable and of high quality, especially their cylinders which are frequently used in various applications. Unique facts about Sheffer Corporation include their consistent profitability, with three months in a row of over 1 million in profits, as well as their investment in new machines and opportunities for employees to advance in their careers. The company has received praise for their management and overall work environment, with employees expressing loyalty and satisfaction in their roles. Sheffer Corporation specializes in manufacturing cylinders, specifically known for producing high-quality products that are reliable and effective. Customers have commended the company for their attention to detail and the precision of their work, especially when it comes to oddball carriage cylinders.