In 2006, Stahlin received the JD Power and Associates Call Center Program Certification and was chosen for the third year in a row as one of West Michigans 101 Best and Brightest Companies to Work For by Michigans Business & Professional Association.

On November 28, 2006 Stahlin also received ISO9001:2000 certification by American Systems Registrar, an ANAB accredited firm.

Jeff Seagle, Stahlins President stated: Our new ISO certification attests to the success of Stahlin in assuring operational quality. This reflects on the dedication to our quality system, and holding our products to the highest standard. Our JD Power Certification underscores all of that by highlighting significant achievements in overall customer satisfaction. In total, we believe that the combined recognitions received during 2006 prove that Stahlin is a great place to work and to do business with.

Stahlin met these main new requirements for ISO9001:2000: · Continual improvement · Increased emphasis on the role of top management. · Consideration of statutory and regulatory requirements. · Establishment of measurable objectives at relevant functions and levels. · Monitoring of information on customer satisfaction as a measure of system performance. · Increased attention to resource availability. · Determination of training effectiveness. · Measurements extended to system, processes, and product. · Analysis of collected data on the performance of the quality management system

For additional information on Stahlin Non-Metallic Enclosures or any of their products contact: Sam Layle, 500 Maple St. Belding, MI 48809. Phone 616-794-0700. Fax: 616-794-3378. Email:slayle@robroy.com. Web: www.stahlin.com.

WESTLAKE VILLAGE, Calif.: October 2006 - Stahlin Non-Metallic Enclosures, a member of the Robroy Industries Group and manufacturers of the world's most frequently specified fiberglass electrical enclosures, has been recognized for call center operation customer satisfaction excellence under the J.D. Power and Associates Certified Call Center Program.SM This distinction acknowledges a strong commitment from Stahlin Non-Metallic Enclosures call center operations to provide an outstanding customer service experience.

Stahlin Non-Metallic Enclosures call center operations in Belding, Mich., handle more than 100,000 telephone, e-mail and fax inquiries with customers per year. To become certified, the call center operations successfully passed a detailed audit of their recruiting, training, employee incentives, management roles and responsibilities, and quality assurance capabilities. As part of its evaluation, J.D. Power and Associates conducted a random survey of Stahlin Non-Metallic Enclosures customers who recently contacted its call centers.

"Customer interactions with a call center can have a profound and lasting impact on overall customer satisfaction and loyalty," said Steve Kirkeby, senior director of the telecommunications practice at J.D. Power and Associates. "The outstanding performance of Stahlin Non-Metallic Enclosures representatives in handling calls and solving problems for their clientele is evidence of the division's commitment to serving its customers."

For certification status, a call center must also perform within the top 20 percent of customer service, which is based on benchmarks established in J.D. Power and Associates cross-industry customer satisfaction research. The criteria include evaluation of: courtesy; knowledge; concern for the customer; usefulness of the information provided; convenience of operating hours; ease of reaching a representative; and timely resolution.

"Our non-metallic enclosures are now the only products of their type that have achieved the J.D. Power and Associates certification for customer service," said Jeff Seagle, president of Stahlin Non-Metallic Enclosures. "This is yet another way we have demonstrated to users of Stahlin products that our world-class product quality is backed, at no additional cost, by comparable quality in service to our customers."

The Call Center Certification Program was launched by J.D. Power and Associates in 2004 to evaluate overall customer satisfaction with call centers and to help call centers in various industries increase their efficiency and effectiveness by establishing best practices for handling service calls.

There are more than 75,000 call centers in North America and an estimated 125,000 worldwide that help customers with product and service questions across a multitude of industries, ranging from credit cards, financial services, investment services, utilities, service warranty and insurance to telecommunications, healthcare and office products.

About J.D. Power and Associates Headquartered in Westlake Village, Calif., J.D. Power and Associates is an ISO 9001-registered global marketing information services firm operating in key business sectors including market research, forecasting, consulting, training and customer satisfaction. The firm's quality and satisfaction measurements are based on responses from millions of consumers annually. J.D. Power and Associates is a business unit of The McGraw-Hill Companies.

About The McGraw-Hill Companies Founded in 1888, The McGraw-Hill Companies is a leading global information services provider meeting worldwide needs in the financial services, education and business information markets through leading brands such as Standard & Poors, McGraw-Hill Education, BusinessWeek and J.D. Power and Associates. The Corporation has more than 290 offices in 38 countries. Sales in 2005 were $6.0 billion. Additional information is available at http://www.mcgraw-hill.com.

Media Relations Contacts: John Tews Syvetril Perryman J.D. Power and Associates J.D. Power and Associates Troy, Mich. Westlake Village, Calif. (248) 312-4119 (805) 418-8103 john.tews@jdpa.com syvetril.perryman@jdpa.com

Sam Layle Stahlin Non-Metallic Enclosures Belding, Mich. (616) 794-0700 slayle@robroy.com

No advertising or other promotional use can be made of the information in this release without the express prior written consent of J.D. Power and Associates. www.jdpower.com/corporate